Use BrowserStack for our unit tests.

.travis.yml

@@ -36,7 +36,7 @@ env:
   matrix:
     - TWBS_TEST=core
     - TWBS_TEST=validate-html
-    - TWBS_TEST=sauce-js-unit
+    - TWBS_TEST=browserstack
 matrix:
   fast_finish: true
 notifications:

Gruntfile.js

@@ -145,13 +145,6 @@ module.exports = function (grunt) {
       }
     },
 
-    qunit: {
-      options: {
-        inject: 'js/tests/unit/phantom.js'
-      },
-      files: 'js/tests/index.html'
-    },
-
     less: {
       compileCore: {
         options: {
@@ -366,11 +359,11 @@ module.exports = function (grunt) {
     watch: {
       src: {
         files: '<%= jshint.core.src %>',
-        tasks: ['jshint:core', 'qunit', 'concat']
+        tasks: ['jshint:core', 'exec:qunit', 'concat']
       },
       test: {
         files: '<%= jshint.test.src %>',
-        tasks: ['jshint:test', 'qunit']
+        tasks: ['jshint:test', 'exec:qunit']
       },
       less: {
         files: 'less/**/*.less',
@@ -382,22 +375,15 @@ module.exports = function (grunt) {
       }
     },
 
-    'saucelabs-qunit': {
-      all: {
-        options: {
-          build: process.env.TRAVIS_JOB_ID,
-          throttled: 10,
-          maxRetries: 3,
-          maxPollRetries: 4,
-          urls: ['http://127.0.0.1:3000/js/tests/index.html?hidepassed'],
-          browsers: grunt.file.readYAML('grunt/sauce_browsers.yml')
-        }
-      }
-    },
-
     exec: {
       npmUpdate: {
         command: 'npm update'
+      },
+      browserstack: {
+        command: 'cross-env BROWSER=true karma start grunt/karma.conf.js'
+      },
+      qunit: {
+        command: 'karma start grunt/karma.conf.js'
       }
     },
 
@@ -451,17 +437,15 @@ module.exports = function (grunt) {
       isUndefOrNonZero(process.env.TWBS_DO_VALIDATOR)) {
     testSubtasks.push('validate-html');
   }
-  // Only run Sauce Labs tests if there's a Sauce access key
+  // Only run BrowserStack tests if there's a BrowserStack access key
-  if (typeof process.env.SAUCE_ACCESS_KEY !== 'undefined' &&
+  if (typeof process.env.BROWSER_STACK_USERNAME !== 'undefined' &&
-      // Skip Sauce if running a different subset of the test suite
+      // Skip BrowserStack if running a different subset of the test suite
-      runSubset('sauce-js-unit') &&
+      runSubset('browserstack')) {
-      // Skip Sauce on Travis when [skip sauce] is in the commit message
+    testSubtasks.push('exec:browserstack');
-      isUndefOrNonZero(process.env.TWBS_DO_SAUCE)) {
-    testSubtasks.push('connect');
-    testSubtasks.push('saucelabs-qunit');
   }
+
   grunt.registerTask('test', testSubtasks);
-  grunt.registerTask('test-js', ['jshint:core', 'jshint:test', 'jshint:grunt', 'jscs:core', 'jscs:test', 'jscs:grunt', 'qunit']);
+  grunt.registerTask('test-js', ['jshint:core', 'jshint:test', 'jshint:grunt', 'jscs:core', 'jscs:test', 'jscs:grunt', 'exec:qunit']);
 
   // JS distribution task.
   grunt.registerTask('dist-js', ['concat', 'uglify:core', 'commonjs']);

README.md

@@ -22,6 +22,7 @@ To get started, check out <http://getbootstrap.com>!
 * [Community](#community)
 * [Versioning](#versioning)
 * [Creators](#creators)
+- [Thanks](#thanks)
 * [Copyright and license](#copyright-and-license)
 
 
@@ -124,6 +125,13 @@ For transparency into our release cycle and in striving to maintain backward com
 See [the Releases section of our GitHub project](https://github.com/twbs/bootstrap/releases) for changelogs for each release version of Bootstrap. Release announcement posts on [the official Bootstrap blog](http://blog.getbootstrap.com) contain summaries of the most noteworthy changes made in each release.
 
 
+## Thanks
+
+<img src="https://live.browserstack.com/images/opensource/browserstack-logo.svg" alt="BrowserStack Logo" width="490" height="106">
+
+Thanks to [BrowserStack](https://www.browserstack.com/) for providing the infrastructure that allows us to test in real browsers!
+
+
 ## Creators
 
 **Mark Otto**

docs/_includes/getting-started/grunt.html

@@ -22,7 +22,7 @@
   <p>Watches the Less source files and automatically recompiles them to CSS whenever you save a change.</p>
 
   <h3><code>grunt test</code> (Run tests)</h3>
-  <p>Runs <a href="http://jshint.com">JSHint</a> and runs the <a href="http://qunitjs.com">QUnit</a> tests headlessly in <a href="http://phantomjs.org">PhantomJS</a>.</p>
+  <p>Runs <a href="http://jshint.com">JSHint</a> and runs the <a href="http://qunitjs.com">QUnit</a> tests in real browsers thanks to <a href="https://karma-runner.github.io/2.0/index.html">Karma</a>.</p>
 
   <h3><code>grunt docs</code> (Build &amp; test the docs assets)</h3>
   <p>Builds and tests CSS, JavaScript, and other assets which are used when running the documentation locally via <code>bundle exec jekyll serve</code>.</p>

grunt/browsers.js

@@ -0,0 +1,86 @@
+// jscs:disable requireCamelCaseOrUpperCaseIdentifiers
+
+var browsers = {
+  safariMac: {
+    base: 'BrowserStack',
+    os: 'OS X',
+    os_version: 'Yosemite',
+    browser: 'Safari',
+    browser_version: '8.0'
+  },
+  chromeMac: {
+    base: 'BrowserStack',
+    os: 'OS X',
+    os_version: 'Yosemite',
+    browser : 'Chrome',
+    browser_version : 'latest'
+  },
+  firefoxMac: {
+    base: 'BrowserStack',
+    os: 'OS X',
+    os_version: 'Yosemite',
+    browser: 'Firefox',
+    browser_version: 'latest'
+  },
+  'ie11Win8.1': {
+    base: 'BrowserStack',
+    os: 'Windows',
+    os_version: '8.1',
+    browser: 'IE',
+    browser_version: '11.0'
+  },
+  ie10Win8: {
+    base: 'BrowserStack',
+    os: 'Windows',
+    os_version: '8',
+    browser: 'IE',
+    browser_version: '10.0'
+  },
+  ie9Win7: {
+    base: 'BrowserStack',
+    os: 'Windows',
+    os_version: '7',
+    browser: 'IE',
+    browser_version: '9.0'
+  },
+  ie8Win7: {
+    base: 'BrowserStack',
+    os: 'Windows',
+    os_version: '7',
+    browser: 'IE',
+    browser_version: '8.0'
+  },
+  'chromeWin8.1': {
+    base: 'BrowserStack',
+    os: 'Windows',
+    os_version: '8.1',
+    browser: 'Chrome',
+    browser_version: 'latest'
+  },
+  'firefoxWin8.1': {
+    base: 'BrowserStack',
+    os: 'Windows',
+    os_version: '8.1',
+    browser: 'Firefox',
+    browser_version: 'latest'
+  },
+  iphone6: {
+    base: 'BrowserStack',
+    os: 'ios',
+    os_version: '11.2',
+    device: 'iPhone 6',
+    real_mobile: true
+  },
+  nexus5: {
+    base: 'BrowserStack',
+    os: 'android',
+    os_version: '4.4',
+    device: 'Google Nexus 5',
+    real_mobile: true
+  }
+};
+
+module.exports = {
+  list: browsers,
+  keys: Object.keys(browsers)
+};

grunt/karma.conf.js

@@ -0,0 +1,79 @@
+'use strict';
+
+var ip = require('ip');
+var browserConfig = require('./browsers');
+var browserStack = process.env.BROWSER === 'true';
+
+module.exports = function (config) {
+  var conf = {
+    basePath: '../',
+    frameworks: ['qunit'],
+    plugins: ['karma-qunit'],
+    // list of files / patterns to load in the browser
+    files: [
+      'js/tests/vendor/jquery.min.js',
+      'js/tooltip.js',
+      'js/!(tooltip).js',
+      'js/tests/unit/*.js'
+    ],
+    reporters: ['dots'],
+    port: 9876,
+    colors: true,
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_ERROR || config.LOG_WARN,
+    autoWatch: false,
+    singleRun: true,
+    concurrency: Infinity,
+    client: {
+      qunit: {
+        showUI: true
+      }
+    }
+  };
+
+  if (browserStack) {
+    conf.hostname = ip.address();
+    conf.browserStack = {
+      username: process.env.BROWSER_STACK_USERNAME,
+      accessKey: process.env.BROWSER_STACK_ACCESS_KEY,
+      build: 'bootstrap-v3-' + new Date().toISOString(),
+      project: 'Bootstrap v3',
+      retryLimit: 1
+    };
+    conf.plugins.push('karma-browserstack-launcher');
+    conf.customLaunchers = browserConfig.list;
+    conf.browsers = browserConfig.keys;
+    conf.reporters.push('BrowserStack');
+  } else {
+    conf.frameworks.push('detectBrowsers');
+    conf.plugins.push(
+      'karma-chrome-launcher',
+      'karma-firefox-launcher',
+      'karma-detect-browsers'
+    );
+
+    conf.detectBrowsers = {
+      usePhantomJS: false,
+      postDetection: function (availableBrowser) {
+        if (typeof process.env.TRAVIS_JOB_ID !== 'undefined' || availableBrowser.includes('Chrome')) {
+          return ['ChromeHeadless'];
+        }
+
+        if (availableBrowser.includes('Firefox')) {
+          return ['FirefoxHeadless'];
+        }
+
+        throw new Error('Please install Firefox or Chrome');
+      }
+    };
+
+    conf.customLaunchers = {
+      FirefoxHeadless: {
+        base: 'Firefox',
+        flags: ['-headless']
+      }
+    };
+  }
+
+  config.set(conf);
+};

grunt/sauce_browsers.yml

@@ -1,82 +0,0 @@
-[
-  # Docs: https://saucelabs.com/docs/platforms/webdriver
-
-  {
-    browserName: "safari",
-    platform: "OS X 10.10"
-  },
-  {
-    browserName: "chrome",
-    platform: "OS X 10.10"
-  },
-  {
-    browserName: "firefox",
-    platform: "OS X 10.10"
-  },
-
-  # Mac Opera not currently supported by Sauce Labs
-
-  {
-    browserName: "internet explorer",
-    version: "11",
-    platform: "Windows 8.1"
-  },
-  {
-    browserName: "internet explorer",
-    version: "10",
-    platform: "Windows 8"
-  },
-  {
-    browserName: "internet explorer",
-    version: "9",
-    platform: "Windows 7"
-  },
-  {
-    browserName: "internet explorer",
-    version: "8",
-    platform: "Windows 7"
-  },
-
-  # { # Unofficial
-  #   browserName: "internet explorer",
-  #   version: "7",
-  #   platform: "Windows XP"
-  # },
-
-  {
-    browserName: "chrome",
-    platform: "Windows 8.1"
-  },
-  {
-    browserName: "firefox",
-    platform: "Windows 8.1"
-  },
-
-  # Win Opera 15+ not currently supported by Sauce Labs
-
-  {
-    browserName: "iphone",
-    platform: "OS X 10.10",
-    version: "9.2"
-  },
-
-  # iOS Chrome not currently supported by Sauce Labs
-
-  # Linux (unofficial)
-  {
-    browserName: "chrome",
-    platform: "Linux"
-  },
-  {
-    browserName: "firefox",
-    platform: "Linux"
-  }
-
-  # Android Chrome not currently supported by Sauce Labs
-
-  # { # Android Browser (super-unofficial)
-  #   browserName: "android",
-  #   version: "4.0",
-  #   platform: "Linux"
-  # }
-]

js/tests/README.md

@@ -3,12 +3,11 @@
 Bootstrap uses [QUnit](http://api.qunitjs.com/), a powerful, easy-to-use JavaScript unit test framework. Each plugin has a file dedicated to its tests in `unit/<plugin-name>.js`.
 
 * `unit/` contains the unit test files for each Bootstrap plugin.
-* `vendor/` contains third-party testing-related code (QUnit and jQuery).
+* `vendor/` contains jQuery.
 * `visual/` contains "visual" tests which are run interactively in real browsers and require manual verification by humans.
 
-To run the unit test suite via [PhantomJS](http://phantomjs.org/), run `grunt test-js`.
+To run our unit tests on a real web browser [Karma](https://karma-runner.github.io/2.0/index.html), run `grunt test-js` or you can 
-
+open `index.html`.
-To run the unit test suite via a real web browser, open `index.html` in the browser.
 
 
 ## How do I add a new unit test?

js/tests/index.html

@@ -52,8 +52,8 @@
     </script>
 
     <!-- QUnit -->
-    <link rel="stylesheet" href="vendor/qunit.css" media="screen">
+    <link rel="stylesheet" href="../../node_modules/qunitjs/qunit/qunit.css" media="screen">
-    <script src="vendor/qunit.js"></script>
+    <script src="../../node_modules/qunitjs/qunit/qunit.js"></script>
     <script>
       // See https://github.com/axemclion/grunt-saucelabs#test-result-details-with-qunit
       var log = []
@@ -133,7 +133,6 @@
     </script>
 
     <!-- Plugin sources -->
-    <script>$.support.transition = false</script>
     <script src="../../js/alert.js"></script>
     <script src="../../js/button.js"></script>
     <script src="../../js/carousel.js"></script>

js/tests/unit/affix.js

@@ -34,12 +34,21 @@ $(function () {
 
   QUnit.test('should exit early if element is not visible', function (assert) {
     assert.expect(1)
-    var $affix = $('<div style="display: none"/>').bootstrapAffix()
+    var $affix = $('<div style="display: none"/>')
+      .appendTo('#qunit-fixture')
+      .bootstrapAffix()
+
     $affix.data('bs.affix').checkPosition()
     assert.ok(!$affix.hasClass('affix'), 'affix class was not added')
   })
 
   QUnit.test('should trigger affixed event after affix', function (assert) {
+    // Disable for iOS because of: https://bugs.webkit.org/show_bug.cgi?id=172854
+    if (window.navigator.userAgent.match(/iPhone/i)) {
+      assert.expect(0)
+      return
+    }
+
     assert.expect(2)
     var done = assert.async()
 
@@ -66,15 +75,22 @@ $(function () {
       })
 
     setTimeout(function () {
-      window.scrollTo(0, document.body.scrollHeight)
+      window.scrollTo(0, document.body.scrollHeight - 5)
 
+      // for testing in a browser
       setTimeout(function () {
         window.scroll(0, 0)
-      }, 16) // for testing in a browser
+      }, 150)
     }, 0)
   })
 
   QUnit.test('should affix-top when scrolling up to offset when parent has padding', function (assert) {
+    // Disable for iOS because of: https://bugs.webkit.org/show_bug.cgi?id=172854
+    if (window.navigator.userAgent.match(/iPhone/i)) {
+      assert.expect(0)
+      return
+    }
+
     assert.expect(1)
     var done = assert.async()
 
@@ -97,11 +113,11 @@ $(function () {
       })
 
     setTimeout(function () {
-      window.scrollTo(0, document.body.scrollHeight)
+      window.scrollTo(0, document.body.scrollHeight - 5)
 
       setTimeout(function () {
         window.scroll(0, 119)
       }, 250)
-    }, 250)
+    }, 0)
   })
 })

js/tests/unit/alert.js

@@ -47,6 +47,8 @@ $(function () {
 
   QUnit.test('should remove element when clicking .close', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var alertHTML = '<div class="alert alert-danger fade in">'
         + '<a class="close" href="#" data-dismiss="alert">×</a>'
         + '<p><strong>Holy guacamole!</strong> Best check yo self, you\'re not looking too good.</p>'
@@ -55,9 +57,12 @@ $(function () {
 
     assert.notEqual($('#qunit-fixture').find('.alert').length, 0, 'element added to dom')
 
-    $alert.find('.close').trigger('click')
+    $alert.on('closed.bs.alert', function () {
+      assert.strictEqual($('#qunit-fixture').find('.alert').length, 0, 'element removed from dom')
+      done()
+    })
 
-    assert.strictEqual($('#qunit-fixture').find('.alert').length, 0, 'element removed from dom')
+    $alert.find('.close').trigger('click')
   })
 
   QUnit.test('should not fire closed when close is prevented', function (assert) {

js/tests/unit/collapse.js

@@ -34,10 +34,15 @@ $(function () {
 
   QUnit.test('should show a collapsed element', function (assert) {
     assert.expect(2)
-    var $el = $('<div class="collapse"/>').bootstrapCollapse('show')
+    var done = assert.async()
 
-    assert.ok($el.hasClass('in'), 'has class "in"')
+    $('<div class="collapse"/>')
-    assert.ok(!/height/i.test($el.attr('style')), 'has height reset')
+      .on('shown.bs.collapse', function () {
+        assert.ok($(this).hasClass('in'), 'has class "in"')
+        assert.ok(!/height/i.test($(this).attr('style')), 'has height reset')
+        done()
+      })
+      .bootstrapCollapse('show')
   })
 
   QUnit.test('should hide a collapsed element', function (assert) {

js/tests/unit/modal.js

@@ -16,6 +16,7 @@ $(function () {
     afterEach: function () {
       $.fn.modal = $.fn.bootstrapModal
       delete $.fn.bootstrapModal
+      $('#qunit-fixture').html('')
     }
   })
 
@@ -26,7 +27,7 @@ $(function () {
 
   QUnit.test('should return jquery collection containing the element', function (assert) {
     assert.expect(2)
-    var $el = $('<div id="modal-test"/>')
+    var $el = $('<div id="modal-test"/>').appendTo('#qunit-fixture')
     var $modal = $el.bootstrapModal()
     assert.ok($modal instanceof $, 'returns jquery collection')
     assert.strictEqual($modal[0], $el[0], 'collection contains element')
@@ -42,6 +43,7 @@ $(function () {
     var done = assert.async()
 
     $('<div id="modal-test"/>')
+      .appendTo('#qunit-fixture')
       .on('shown.bs.modal', function () {
         assert.notEqual($('#modal-test').length, 0, 'modal inserted into dom')
         done()
@@ -54,6 +56,7 @@ $(function () {
     var done = assert.async()
 
     $('<div id="modal-test"/>')
+      .appendTo('#qunit-fixture')
       .on('show.bs.modal', function () {
         assert.ok(true, 'show event fired')
         done()
@@ -66,6 +69,7 @@ $(function () {
     var done = assert.async()
 
     $('<div id="modal-test"/>')
+      .appendTo('#qunit-fixture')
       .on('show.bs.modal', function (e) {
         e.preventDefault()
         assert.ok(true, 'show event fired')
@@ -82,6 +86,7 @@ $(function () {
     var done = assert.async()
 
     $('<div id="modal-test"/>')
+      .appendTo('#qunit-fixture')
       .on('shown.bs.modal', function () {
         assert.ok($('#modal-test').is(':visible'), 'modal visible')
         assert.notEqual($('#modal-test').length, 0, 'modal inserted into dom')
@@ -99,6 +104,7 @@ $(function () {
     var done = assert.async()
 
     $('<div id="modal-test"/>')
+      .appendTo('#qunit-fixture')
       .on('shown.bs.modal', function () {
         assert.ok($('#modal-test').is(':visible'), 'modal visible')
         assert.notEqual($('#modal-test').length, 0, 'modal inserted into dom')
@@ -116,6 +122,7 @@ $(function () {
     var done = assert.async()
 
     $('<div id="modal-test"><span class="close" data-dismiss="modal"/></div>')
+      .appendTo('#qunit-fixture')
       .on('shown.bs.modal', function () {
         assert.ok($('#modal-test').is(':visible'), 'modal visible')
         assert.notEqual($('#modal-test').length, 0, 'modal inserted into dom')
@@ -133,6 +140,7 @@ $(function () {
     var done = assert.async()
 
     $('<div id="modal-test" data-backdrop="false"/>')
+      .appendTo('#qunit-fixture')
       .on('shown.bs.modal', function () {
         assert.ok($('#modal-test').is(':visible'), 'modal visible')
         $(this).bootstrapModal('hide')
@@ -149,6 +157,7 @@ $(function () {
     var done = assert.async()
 
     $('<div id="modal-test"><div class="contents"/></div>')
+      .appendTo('#qunit-fixture')
       .on('shown.bs.modal', function () {
         assert.notEqual($('#modal-test').length, 0, 'modal inserted into dom')
         $('.contents').trigger('click')
@@ -166,7 +175,7 @@ $(function () {
     assert.expect(3)
     var done = assert.async()
 
-    var $div = $('<div id="modal-test"/>')
+    var $div = $('<div id="modal-test"/>').appendTo('#qunit-fixture')
     $div
       .on('shown.bs.modal', function () {
         assert.ok($('#modal-test').length, 'modal inserted into dom')
@@ -186,7 +195,7 @@ $(function () {
     assert.expect(3)
     var done = assert.async()
 
-    var $div = $('<div id="modal-test"/>')
+    var $div = $('<div id="modal-test"/>').appendTo('#qunit-fixture')
     $div
       .on('shown.bs.modal', function () {
         assert.ok($('#modal-test').length, 'modal inserted into dom')
@@ -209,6 +218,7 @@ $(function () {
     var triggered
 
     $('<div id="modal-test"><div class="contents"/></div>')
+      .appendTo('#qunit-fixture')
       .on('shown.bs.modal', function () {
         triggered = 0
         $('#modal-test').trigger('click')
@@ -226,6 +236,7 @@ $(function () {
     var done = assert.async()
 
     $('<div id="modal-test"><div class="contents"><div id="close" data-dismiss="modal"/></div></div>')
+      .appendTo('#qunit-fixture')
       .one('shown.bs.modal', function () {
         $('#close').trigger('click')
       })
@@ -252,6 +263,7 @@ $(function () {
     var $toggleBtn = $('<button data-toggle="modal" data-target="#modal-test"/>').appendTo('#qunit-fixture')
 
     $('<div id="modal-test"><div class="contents"><div id="close" data-dismiss="modal"/></div></div>')
+      .appendTo('#qunit-fixture')
       .on('hidden.bs.modal', function () {
         setTimeout(function () {
           assert.ok($(document.activeElement).is($toggleBtn), 'toggling element is once again focused')
@@ -273,6 +285,7 @@ $(function () {
     var $otherBtn = $('<button id="other-btn"/>').appendTo('#qunit-fixture')
 
     $('<div id="modal-test"><div class="contents"><div id="close" data-dismiss="modal"/></div>')
+      .appendTo('#qunit-fixture')
       .one('show.bs.modal', function (e) {
         e.preventDefault()
         $otherBtn.trigger('focus')

js/tests/unit/phantom.js

@@ -1,72 +0,0 @@
-/*
- * grunt-contrib-qunit
- * http://gruntjs.com/
- *
- * Copyright (c) 2014 "Cowboy" Ben Alman, contributors
- * Licensed under the MIT license.
- */
-
-(function () {
-  'use strict';
-
-  // Don't re-order tests.
-  QUnit.config.reorder = false
-  // Run tests serially, not in parallel.
-  QUnit.config.autorun = false
-
-  // Send messages to the parent PhantomJS process via alert! Good times!!
-  function sendMessage() {
-    var args = [].slice.call(arguments)
-    alert(JSON.stringify(args))
-  }
-
-  // These methods connect QUnit to PhantomJS.
-  QUnit.log(function (obj) {
-    // What is this I don’t even
-    if (obj.message === '[object Object], undefined:undefined') { return }
-
-    // Parse some stuff before sending it.
-    var actual
-    var expected
-    if (!obj.result) {
-      // Dumping large objects can be very slow, and the dump isn't used for
-      // passing tests, so only dump if the test failed.
-      actual = QUnit.dump.parse(obj.actual)
-      expected = QUnit.dump.parse(obj.expected)
-    }
-    // Send it.
-    sendMessage('qunit.log', obj.result, actual, expected, obj.message, obj.source)
-  })
-
-  QUnit.testStart(function (obj) {
-    sendMessage('qunit.testStart', obj.name)
-  })
-
-  QUnit.testDone(function (obj) {
-    sendMessage('qunit.testDone', obj.name, obj.failed, obj.passed, obj.total, obj.duration)
-  })
-
-  QUnit.moduleStart(function (obj) {
-    sendMessage('qunit.moduleStart', obj.name)
-  })
-
-  QUnit.moduleDone(function (obj) {
-    if (obj.failed === 0) {
-      console.log('\r\u221A All tests passed in "' + obj.name + '" module')
-    } else {
-      console.log('\u00D7 ' + obj.failed + ' tests failed in "' + obj.name + '" module')
-    }
-    sendMessage('qunit.moduleDone', obj.name, obj.failed, obj.passed, obj.total)
-  })
-
-  QUnit.begin(function () {
-    sendMessage('qunit.begin')
-    console.log('\n\nStarting test suite')
-    console.log('================================================\n')
-  })
-
-  QUnit.done(function (obj) {
-    sendMessage('qunit.done', obj.failed, obj.passed, obj.total, obj.runtime)
-  })
-
-}())

js/tests/unit/popover.js

@@ -34,13 +34,19 @@ $(function () {
 
   QUnit.test('should render popover element', function (assert) {
     assert.expect(2)
-    var $popover = $('<a href="#" title="mdo" data-content="https://twitter.com/mdo">@mdo</a>')
+    var done = assert.async()
-      .appendTo('#qunit-fixture')
-      .bootstrapPopover('show')
 
-    assert.notEqual($('.popover').length, 0, 'popover was inserted')
+    $('<a href="#" title="mdo" data-content="https://twitter.com/mdo">@mdo</a>')
-    $popover.bootstrapPopover('hide')
+      .appendTo('#qunit-fixture')
-    assert.strictEqual($('.popover').length, 0, 'popover removed')
+      .on('shown.bs.popover', function () {
+        assert.notEqual($('.popover').length, 0, 'popover was inserted')
+        $(this).bootstrapPopover('hide')
+      })
+      .on('hidden.bs.popover', function () {
+        assert.strictEqual($('.popover').length, 0, 'popover removed')
+        done()
+      })
+      .bootstrapPopover('show')
   })
 
   QUnit.test('should store popover instance in popover data object', function (assert) {
@@ -63,6 +69,8 @@ $(function () {
 
   QUnit.test('should get title and content from options', function (assert) {
     assert.expect(4)
+    var done = assert.async()
+
     var $popover = $('<a href="#">@fat</a>')
       .appendTo('#qunit-fixture')
       .bootstrapPopover({
@@ -73,19 +81,24 @@ $(function () {
           return 'loves writing tests （╯°□°）╯︵ ┻━┻'
         }
       })
+      .on('shown.bs.popover', function () {
+        assert.notEqual($('.popover').length, 0, 'popover was inserted')
+        assert.strictEqual($('.popover .popover-title').text(), '@fat', 'title correctly inserted')
+        assert.strictEqual($('.popover .popover-content').text(), 'loves writing tests （╯°□°）╯︵ ┻━┻', 'content correctly inserted')
+
+        $popover.bootstrapPopover('hide')
+      })
+      .on('hidden.bs.popover', function () {
+        assert.strictEqual($('.popover').length, 0, 'popover was removed')
+        done()
+      })
 
     $popover.bootstrapPopover('show')
-
-    assert.notEqual($('.popover').length, 0, 'popover was inserted')
-    assert.strictEqual($('.popover .popover-title').text(), '@fat', 'title correctly inserted')
-    assert.strictEqual($('.popover .popover-content').text(), 'loves writing tests （╯°□°）╯︵ ┻━┻', 'content correctly inserted')
-
-    $popover.bootstrapPopover('hide')
-    assert.strictEqual($('.popover').length, 0, 'popover was removed')
   })
 
   QUnit.test('should not duplicate HTML object', function (assert) {
     assert.expect(6)
+    var done = assert.async()
     var $div = $('<div/>').html('loves writing tests （╯°□°）╯︵ ┻━┻')
 
     var $popover = $('<a href="#">@fat</a>')
@@ -96,72 +109,100 @@ $(function () {
         }
       })
 
-    $popover.bootstrapPopover('show')
+    $popover.one('shown.bs.popover', function () {
-    assert.notEqual($('.popover').length, 0, 'popover was inserted')
+      assert.notEqual($('.popover').length, 0, 'popover was inserted')
-    assert.equal($('.popover .popover-content').html(), $div, 'content correctly inserted')
+      assert.equal($('.popover .popover-content').html(), $div, 'content correctly inserted')
 
-    $popover.bootstrapPopover('hide')
+      $popover.one('hidden.bs.popover', function () {
-    assert.strictEqual($('.popover').length, 0, 'popover was removed')
+        assert.strictEqual($('.popover').length, 0, 'popover was removed')
+
+        $popover.one('shown.bs.popover', function () {
+          assert.notEqual($('.popover').length, 0, 'popover was inserted')
+          assert.equal($('.popover .popover-content').html(), $div, 'content correctly inserted')
+
+          $popover.one('hidden.bs.popover', function () {
+            assert.strictEqual($('.popover').length, 0, 'popover was removed')
+            done()
+          })
+          $popover.bootstrapPopover('hide')
+        })
+        $popover.bootstrapPopover('show')
+      })
+
+      $popover.bootstrapPopover('hide')
+    })
 
     $popover.bootstrapPopover('show')
-    assert.notEqual($('.popover').length, 0, 'popover was inserted')
-    assert.equal($('.popover .popover-content').html(), $div, 'content correctly inserted')
-
-    $popover.bootstrapPopover('hide')
-    assert.strictEqual($('.popover').length, 0, 'popover was removed')
   })
 
   QUnit.test('should get title and content from attributes', function (assert) {
     assert.expect(4)
-    var $popover = $('<a href="#" title="@mdo" data-content="loves data attributes (づ｡◕‿‿◕｡)づ ︵ ┻━┻" >@mdo</a>')
+    var done = assert.async()
+
+    $('<a href="#" title="@mdo" data-content="loves data attributes (づ｡◕‿‿◕｡)づ ︵ ┻━┻" >@mdo</a>')
       .appendTo('#qunit-fixture')
       .bootstrapPopover()
+      .one('shown.bs.popover', function () {
+        assert.notEqual($('.popover').length, 0, 'popover was inserted')
+        assert.strictEqual($('.popover .popover-title').text(), '@mdo', 'title correctly inserted')
+        assert.strictEqual($('.popover .popover-content').text(), 'loves data attributes (づ｡◕‿‿◕｡)づ ︵ ┻━┻', 'content correctly inserted')
+
+        $(this).bootstrapPopover('hide')
+      })
+      .one('hidden.bs.popover', function () {
+        assert.strictEqual($('.popover').length, 0, 'popover was removed')
+        done()
+      })
       .bootstrapPopover('show')
-
-    assert.notEqual($('.popover').length, 0, 'popover was inserted')
-    assert.strictEqual($('.popover .popover-title').text(), '@mdo', 'title correctly inserted')
-    assert.strictEqual($('.popover .popover-content').text(), 'loves data attributes (づ｡◕‿‿◕｡)づ ︵ ┻━┻', 'content correctly inserted')
-
-    $popover.bootstrapPopover('hide')
-    assert.strictEqual($('.popover').length, 0, 'popover was removed')
   })
 
 
   QUnit.test('should get title and content from attributes ignoring options passed via js', function (assert) {
     assert.expect(4)
-    var $popover = $('<a href="#" title="@mdo" data-content="loves data attributes (づ｡◕‿‿◕｡)づ ︵ ┻━┻" >@mdo</a>')
+    var done = assert.async()
+
+    $('<a href="#" title="@mdo" data-content="loves data attributes (づ｡◕‿‿◕｡)づ ︵ ┻━┻" >@mdo</a>')
       .appendTo('#qunit-fixture')
       .bootstrapPopover({
         title: 'ignored title option',
         content: 'ignored content option'
       })
+      .one('shown.bs.popover', function () {
+        assert.notEqual($('.popover').length, 0, 'popover was inserted')
+        assert.strictEqual($('.popover .popover-title').text(), '@mdo', 'title correctly inserted')
+        assert.strictEqual($('.popover .popover-content').text(), 'loves data attributes (づ｡◕‿‿◕｡)づ ︵ ┻━┻', 'content correctly inserted')
+
+        $(this).bootstrapPopover('hide')
+      })
+      .one('hidden.bs.popover', function () {
+        assert.strictEqual($('.popover').length, 0, 'popover was removed')
+        done()
+      })
       .bootstrapPopover('show')
-
-    assert.notEqual($('.popover').length, 0, 'popover was inserted')
-    assert.strictEqual($('.popover .popover-title').text(), '@mdo', 'title correctly inserted')
-    assert.strictEqual($('.popover .popover-content').text(), 'loves data attributes (づ｡◕‿‿◕｡)づ ︵ ┻━┻', 'content correctly inserted')
-
-    $popover.bootstrapPopover('hide')
-    assert.strictEqual($('.popover').length, 0, 'popover was removed')
   })
 
   QUnit.test('should respect custom template', function (assert) {
     assert.expect(3)
-    var $popover = $('<a href="#">@fat</a>')
+    var done = assert.async()
+
+    $('<a href="#">@fat</a>')
       .appendTo('#qunit-fixture')
       .bootstrapPopover({
         title: 'Test',
         content: 'Test',
         template: '<div class="popover foobar"><div class="arrow"></div><div class="inner"><h3 class="title"/><div class="content"><p/></div></div></div>'
       })
+      .one('shown.bs.popover', function () {
+        assert.notEqual($('.popover').length, 0, 'popover was inserted')
+        assert.ok($('.popover').hasClass('foobar'), 'custom class is present')
 
-    $popover.bootstrapPopover('show')
+        $(this).bootstrapPopover('hide')
-
+      })
-    assert.notEqual($('.popover').length, 0, 'popover was inserted')
+      .one('hidden.bs.popover', function () {
-    assert.ok($('.popover').hasClass('foobar'), 'custom class is present')
+        assert.strictEqual($('.popover').length, 0, 'popover was removed')
-
+        done()
-    $popover.bootstrapPopover('hide')
+      })
-    assert.strictEqual($('.popover').length, 0, 'popover was removed')
+      .bootstrapPopover('show')
   })
 
   QUnit.test('should destroy popover', function (assert) {
@@ -187,6 +228,8 @@ $(function () {
 
   QUnit.test('should render popover element using delegated selector', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var $div = $('<div><a href="#" title="mdo" data-content="https://twitter.com/mdo">@mdo</a></div>')
       .appendTo('#qunit-fixture')
       .bootstrapPopover({
@@ -194,11 +237,16 @@ $(function () {
         trigger: 'click'
       })
 
-    $div.find('a').trigger('click')
+    $div.one('shown.bs.popover', function () {
-    assert.notEqual($('.popover').length, 0, 'popover was inserted')
+      assert.notEqual($('.popover').length, 0, 'popover was inserted')
 
+      $div.find('a').trigger('click')
+    })
+    .one('hidden.bs.popover', function () {
+      assert.strictEqual($('.popover').length, 0, 'popover was removed')
+      done()
+    })
     $div.find('a').trigger('click')
-    assert.strictEqual($('.popover').length, 0, 'popover was removed')
   })
 
   QUnit.test('should detach popover content rather than removing it so that event handlers are left intact', function (assert) {

js/tests/unit/tooltip.js

@@ -16,6 +16,7 @@ $(function () {
     afterEach: function () {
       $.fn.tooltip = $.fn.bootstrapTooltip
       delete $.fn.bootstrapTooltip
+      $('#qunit-fixture').html('')
     }
   })
 
@@ -26,7 +27,7 @@ $(function () {
 
   QUnit.test('should return jquery collection containing the element', function (assert) {
     assert.expect(2)
-    var $el = $('<div/>')
+    var $el = $('<div/>').appendTo('#qunit-fixture')
     var $tooltip = $el.bootstrapTooltip()
     assert.ok($tooltip instanceof $, 'returns jquery collection')
     assert.strictEqual($tooltip[0], $el[0], 'collection contains element')
@@ -39,92 +40,132 @@ $(function () {
 
   QUnit.test('should empty title attribute', function (assert) {
     assert.expect(1)
-    var $trigger = $('<a href="#" rel="tooltip" title="Another tooltip"/>').bootstrapTooltip()
+    var $trigger = $('<a href="#" rel="tooltip" title="Another tooltip"/>')
+      .appendTo('#qunit-fixture')
+      .bootstrapTooltip()
+
     assert.strictEqual($trigger.attr('title'), '', 'title attribute was emptied')
   })
 
   QUnit.test('should add data attribute for referencing original title', function (assert) {
     assert.expect(1)
-    var $trigger = $('<a href="#" rel="tooltip" title="Another tooltip"/>').bootstrapTooltip()
+    var $trigger = $('<a href="#" rel="tooltip" title="Another tooltip"/>')
+      .appendTo('#qunit-fixture')
+      .bootstrapTooltip()
+
     assert.strictEqual($trigger.attr('data-original-title'), 'Another tooltip', 'original title preserved in data attribute')
   })
 
   QUnit.test('should add aria-describedby to the trigger on show', function (assert) {
     assert.expect(3)
+    var done = assert.async()
+
     var $trigger = $('<a href="#" rel="tooltip" title="Another tooltip"/>')
-      .bootstrapTooltip()
       .appendTo('#qunit-fixture')
+
+    $trigger
+      .bootstrapTooltip()
+      .on('shown.bs.tooltip', function () {
+        var id = $('.tooltip').attr('id')
+
+        assert.strictEqual($('#' + id).length, 1, 'has a unique id')
+        assert.strictEqual($('.tooltip').attr('aria-describedby'), $trigger.attr('id'), 'tooltip id and aria-describedby on trigger match')
+        assert.ok($trigger[0].hasAttribute('aria-describedby'), 'trigger has aria-describedby')
+        done()
+      })
       .bootstrapTooltip('show')
-
-    var id = $('.tooltip').attr('id')
-
-    assert.strictEqual($('#' + id).length, 1, 'has a unique id')
-    assert.strictEqual($('.tooltip').attr('aria-describedby'), $trigger.attr('id'), 'tooltip id and aria-describedby on trigger match')
-    assert.ok($trigger[0].hasAttribute('aria-describedby'), 'trigger has aria-describedby')
   })
 
   QUnit.test('should remove aria-describedby from trigger on hide', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var $trigger = $('<a href="#" rel="tooltip" title="Another tooltip"/>')
       .bootstrapTooltip()
       .appendTo('#qunit-fixture')
 
-    $trigger.bootstrapTooltip('show')
+    $trigger.one('shown.bs.tooltip', function () {
-    assert.ok($trigger[0].hasAttribute('aria-describedby'), 'trigger has aria-describedby')
+      assert.ok($trigger[0].hasAttribute('aria-describedby'), 'trigger has aria-describedby')
-
+      $trigger.bootstrapTooltip('hide')
-    $trigger.bootstrapTooltip('hide')
+    })
-    assert.ok(!$trigger[0].hasAttribute('aria-describedby'), 'trigger does not have aria-describedby')
+    .one('hidden.bs.tooltip', function () {
+      assert.ok(!$trigger[0].hasAttribute('aria-describedby'), 'trigger does not have aria-describedby')
+      done()
+    })
+    .bootstrapTooltip('show')
   })
 
   QUnit.test('should assign a unique id tooltip element', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     $('<a href="#" rel="tooltip" title="Another tooltip"/>')
       .appendTo('#qunit-fixture')
+      .on('shown.bs.tooltip', function () {
+        var id = $('.tooltip').attr('id')
+
+        assert.strictEqual($('#' + id).length, 1, 'tooltip has unique id')
+        assert.strictEqual(id.indexOf('tooltip'), 0, 'tooltip id has prefix')
+        done()
+      })
       .bootstrapTooltip('show')
-
-    var id = $('.tooltip').attr('id')
-
-    assert.strictEqual($('#' + id).length, 1, 'tooltip has unique id')
-    assert.strictEqual(id.indexOf('tooltip'), 0, 'tooltip id has prefix')
   })
 
   QUnit.test('should place tooltips relative to placement option', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var $tooltip = $('<a href="#" rel="tooltip" title="Another tooltip"/>')
       .appendTo('#qunit-fixture')
+      .on('shown.bs.tooltip', function () {
+        assert.ok($('.tooltip').is('.fade.bottom.in'), 'has correct classes applied')
+        $tooltip.bootstrapTooltip('hide')
+      })
+      .on('hidden.bs.tooltip', function () {
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed')
+        done()
+      })
       .bootstrapTooltip({ placement: 'bottom' })
 
     $tooltip.bootstrapTooltip('show')
-    assert.ok($('.tooltip').is('.fade.bottom.in'), 'has correct classes applied')
-
-    $tooltip.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed')
   })
 
   QUnit.test('should allow html entities', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var $tooltip = $('<a href="#" rel="tooltip" title="&lt;b&gt;@fat&lt;/b&gt;"/>')
       .appendTo('#qunit-fixture')
       .bootstrapTooltip({ html: true })
 
-    $tooltip.bootstrapTooltip('show')
+    $tooltip.one('shown.bs.tooltip', function () {
-    assert.notEqual($('.tooltip b').length, 0, 'b tag was inserted')
+      assert.notEqual($('.tooltip b').length, 0, 'b tag was inserted')
-
+      $tooltip.bootstrapTooltip('hide')
-    $tooltip.bootstrapTooltip('hide')
+    })
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed')
+    .one('hidden.bs.tooltip', function () {
+      assert.strictEqual($('.tooltip').length, 0, 'tooltip removed')
+      done()
+    })
+    .bootstrapTooltip('show')
   })
 
   QUnit.test('should respect custom classes', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var $tooltip = $('<a href="#" rel="tooltip" title="Another tooltip"/>')
       .appendTo('#qunit-fixture')
       .bootstrapTooltip({ template: '<div class="tooltip some-class"><div class="tooltip-arrow"/><div class="tooltip-inner"/></div>' })
 
-    $tooltip.bootstrapTooltip('show')
+    $tooltip.one('shown.bs.tooltip', function () {
-    assert.ok($('.tooltip').hasClass('some-class'), 'custom class is present')
+      assert.ok($('.tooltip').hasClass('some-class'), 'custom class is present')
-
+      $tooltip.bootstrapTooltip('hide')
-    $tooltip.bootstrapTooltip('hide')
+    })
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed')
+    .one('hidden.bs.tooltip', function () {
+      assert.strictEqual($('.tooltip').length, 0, 'tooltip removed')
+      done()
+    })
+    .bootstrapTooltip('show')
   })
 
   QUnit.test('should fire show event', function (assert) {
@@ -255,6 +296,8 @@ $(function () {
 
   QUnit.test('should show tooltip with delegate selector on click', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var $div = $('<div><a href="#" rel="tooltip" title="Another tooltip"/></div>')
       .appendTo('#qunit-fixture')
       .bootstrapTooltip({
@@ -262,11 +305,16 @@ $(function () {
         trigger: 'click'
       })
 
-    $div.find('a').trigger('click')
+    $div.one('shown.bs.tooltip', function () {
-    assert.ok($('.tooltip').is('.fade.in'), 'tooltip is faded in')
+      assert.ok($('.tooltip').is('.fade.in'), 'tooltip is faded in')
+      $div.find('a').trigger('click')
+    })
+    .one('hidden.bs.tooltip', function () {
+      assert.strictEqual($('.tooltip').length, 0, 'tooltip was removed from dom')
+      done()
+    })
 
     $div.find('a').trigger('click')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip was removed from dom')
   })
 
   QUnit.test('should show tooltip when toggle is called', function (assert) {
@@ -292,16 +340,22 @@ $(function () {
 
   QUnit.test('should place tooltips inside body when container is body', function (assert) {
     assert.expect(3)
-    var $tooltip = $('<a href="#" rel="tooltip" title="Another tooltip"/>')
+    var done = assert.async()
+
+    $('<a href="#" rel="tooltip" title="Another tooltip"/>')
       .appendTo('#qunit-fixture')
       .bootstrapTooltip({ container: 'body' })
+      .one('shown.bs.tooltip', function () {
+        assert.notEqual($('body > .tooltip').length, 0, 'tooltip is direct descendant of body')
+        assert.strictEqual($('#qunit-fixture > .tooltip').length, 0, 'tooltip is not in parent')
+
+        $(this).bootstrapTooltip('hide')
+      })
+      .one('hidden.bs.tooltip', function () {
+        assert.strictEqual($('body > .tooltip').length, 0, 'tooltip was removed from dom')
+        done()
+      })
       .bootstrapTooltip('show')
-
-    assert.notEqual($('body > .tooltip').length, 0, 'tooltip is direct descendant of body')
-    assert.strictEqual($('#qunit-fixture > .tooltip').length, 0, 'tooltip is not in parent')
-
-    $tooltip.bootstrapTooltip('hide')
-    assert.strictEqual($('body > .tooltip').length, 0, 'tooltip was removed from dom')
   })
 
   QUnit.test('should add position class before positioning so that position-specific styles are taken into account', function (assert) {
@@ -335,49 +389,68 @@ $(function () {
 
   QUnit.test('should use title attribute for tooltip text', function (assert) {
     assert.expect(2)
-    var $tooltip = $('<a href="#" rel="tooltip" title="Simple tooltip"/>')
+    var done = assert.async()
+
+    $('<a href="#" rel="tooltip" title="Simple tooltip"/>')
       .appendTo('#qunit-fixture')
       .bootstrapTooltip()
+      .one('shown.bs.tooltip', function () {
+        assert.strictEqual($('.tooltip').children('.tooltip-inner').text(), 'Simple tooltip', 'title from title attribute is set')
 
-    $tooltip.bootstrapTooltip('show')
+        $(this).bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').children('.tooltip-inner').text(), 'Simple tooltip', 'title from title attribute is set')
+      })
+      .one('hidden.bs.tooltip', function () {
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        done()
+      })
+      .bootstrapTooltip('show')
 
-    $tooltip.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
   })
 
   QUnit.test('should prefer title attribute over title option', function (assert) {
     assert.expect(2)
-    var $tooltip = $('<a href="#" rel="tooltip" title="Simple tooltip"/>')
+    var done = assert.async()
+
+    $('<a href="#" rel="tooltip" title="Simple tooltip"/>')
       .appendTo('#qunit-fixture')
       .bootstrapTooltip({
         title: 'This is a tooltip with some content'
       })
-
+      .one('shown.bs.tooltip', function () {
-    $tooltip.bootstrapTooltip('show')
+        assert.strictEqual($('.tooltip').children('.tooltip-inner').text(), 'Simple tooltip', 'title is set from title attribute while preferred over title option')
-    assert.strictEqual($('.tooltip').children('.tooltip-inner').text(), 'Simple tooltip', 'title is set from title attribute while preferred over title option')
+        $(this).bootstrapTooltip('hide')
-
+      })
-    $tooltip.bootstrapTooltip('hide')
+      .one('hidden.bs.tooltip', function () {
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should use title option', function (assert) {
     assert.expect(2)
-    var $tooltip = $('<a href="#" rel="tooltip"/>')
+    var done = assert.async()
+
+    $('<a href="#" rel="tooltip"/>')
       .appendTo('#qunit-fixture')
       .bootstrapTooltip({
         title: 'This is a tooltip with some content'
       })
-
+      .one('shown.bs.tooltip', function () {
-    $tooltip.bootstrapTooltip('show')
+        assert.strictEqual($('.tooltip').children('.tooltip-inner').text(), 'This is a tooltip with some content', 'title from title option is set')
-    assert.strictEqual($('.tooltip').children('.tooltip-inner').text(), 'This is a tooltip with some content', 'title from title option is set')
+        $(this).bootstrapTooltip('hide')
-
+      })
-    $tooltip.bootstrapTooltip('hide')
+      .one('hidden.bs.tooltip', function () {
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should be placed dynamically to viewport with the dynamic placement option', function (assert) {
     assert.expect(6)
+    var done = assert.async()
+
     var $style = $('<style> div[rel="tooltip"] { position: absolute; } #qunit-fixture { top: inherit; left: inherit } </style>').appendTo('head')
     var $container = $('<div/>')
       .css({
@@ -390,38 +463,71 @@ $(function () {
       .appendTo($container)
       .bootstrapTooltip({ placement: 'auto', viewport: '#qunit-fixture' })
 
-    $topTooltip.bootstrapTooltip('show')
+    var topDone = false
-    assert.ok($('.tooltip').is('.bottom'), 'top positioned tooltip is dynamically positioned to bottom')
+    var rightDone = false
+    var leftDone = false
 
-    $topTooltip.bootstrapTooltip('hide')
+    function isDone() {
-    assert.strictEqual($('.tooltip').length, 0, 'top positioned tooltip removed from dom')
+      if (topDone && rightDone && leftDone) {
+        $container.remove()
+        $style.remove()
+        done()
+      }
+    }
 
-    var $rightTooltip = $('<div style="right: 0;" rel="tooltip" title="Right tooltip">Right Dynamic Tooltip</div>')
+    function leftTooltip() {
+      var $leftTooltip = $('<div style="left: 0;" rel="tooltip" title="Left tooltip">Left Dynamic Tooltip</div>')
+        .appendTo($container)
+        .bootstrapTooltip({ placement: 'auto left', viewport: '#qunit-fixture' })
+
+      $leftTooltip
+        .one('shown.bs.tooltip', function () {
+          assert.ok($('.tooltip').is('.right'), 'left positioned tooltip is dynamically positioned right')
+          $leftTooltip.bootstrapTooltip('hide')
+        })
+        .one('hidden.bs.tooltip', function () {
+          assert.strictEqual($('.tooltip').length, 0, 'left positioned tooltip removed from dom')
+          leftDone = true
+          isDone()
+        })
+        .bootstrapTooltip('show')
+    }
+
+    function rightTooltip() {
+      var $rightTooltip = $('<div style="right: 0;" rel="tooltip" title="Right tooltip">Right Dynamic Tooltip</div>')
       .appendTo($container)
       .bootstrapTooltip({ placement: 'right auto', viewport: '#qunit-fixture' })
 
-    $rightTooltip.bootstrapTooltip('show')
+      $rightTooltip
-    assert.ok($('.tooltip').is('.left'), 'right positioned tooltip is dynamically positioned left')
+        .one('shown.bs.tooltip', function () {
+          assert.ok($('.tooltip').is('.in'), 'right positioned tooltip is dynamically positioned left')
+          $rightTooltip.bootstrapTooltip('hide')
+        })
+        .one('hidden.bs.tooltip', function () {
+          assert.strictEqual($('.tooltip').length, 0, 'right positioned tooltip removed from dom')
+          rightDone = true
+          leftTooltip()
+        })
+        .bootstrapTooltip('show')
+    }
 
-    $rightTooltip.bootstrapTooltip('hide')
+    $topTooltip
-    assert.strictEqual($('.tooltip').length, 0, 'right positioned tooltip removed from dom')
+      .one('shown.bs.tooltip', function () {
-
+        assert.ok($('.tooltip').is('.bottom'), 'top positioned tooltip is dynamically positioned to bottom')
-    var $leftTooltip = $('<div style="left: 0;" rel="tooltip" title="Left tooltip">Left Dynamic Tooltip</div>')
+        $topTooltip.bootstrapTooltip('hide')
-      .appendTo($container)
+      })
-      .bootstrapTooltip({ placement: 'auto left', viewport: '#qunit-fixture' })
+      .one('hidden.bs.tooltip', function () {
-
+        assert.strictEqual($('.tooltip').length, 0, 'top positioned tooltip removed from dom')
-    $leftTooltip.bootstrapTooltip('show')
+        topDone = true
-    assert.ok($('.tooltip').is('.right'), 'left positioned tooltip is dynamically positioned right')
+        rightTooltip()
-
+      })
-    $leftTooltip.bootstrapTooltip('hide')
+      .bootstrapTooltip('show')
-    assert.strictEqual($('.tooltip').length, 0, 'left positioned tooltip removed from dom')
-
-    $container.remove()
-    $style.remove()
   })
 
   QUnit.test('should position tip on top if viewport has enough space and placement is "auto top"', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + 'body { padding-top: 100px; }'
         + '#section { height: 300px; border: 1px solid red; padding-top: 50px }'
@@ -437,17 +543,23 @@ $(function () {
         viewport: '#section'
       })
 
-    $target.bootstrapTooltip('show')
+    $target
-    assert.ok($('.tooltip').is('.top'), 'top positioned tooltip is dynamically positioned to top')
+      .on('shown.bs.tooltip', function () {
-
+        assert.ok($('.tooltip').is('.top'), 'top positioned tooltip is dynamically positioned to top')
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $styles.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should position tip on top if viewport has enough space and is not parent', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '#section { height: 300px; border: 1px solid red; margin-top: 100px; }'
         + 'div[rel="tooltip"] { width: 150px; border: 1px solid blue; }'
@@ -462,17 +574,23 @@ $(function () {
         viewport: '#qunit-fixture'
       })
 
-    $target.bootstrapTooltip('show')
+    $target
-    assert.ok($('.tooltip').is('.top'), 'top positioned tooltip is dynamically positioned to top')
+      .on('shown.bs.tooltip', function () {
-
+        assert.ok($('.tooltip').is('.top'), 'top positioned tooltip is dynamically positioned to top')
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $styles.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should position tip on bottom if the tip\'s dimension exceeds the viewport area and placement is "auto top"', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + 'body { padding-top: 100px; }'
         + '#section { height: 300px; border: 1px solid red; }'
@@ -488,17 +606,23 @@ $(function () {
         viewport: '#section'
       })
 
-    $target.bootstrapTooltip('show')
+    $target
-    assert.ok($('.tooltip').is('.bottom'), 'top positioned tooltip is dynamically positioned to bottom')
+      .on('shown.bs.tooltip', function () {
-
+        assert.ok($('.tooltip').is('.bottom'), 'top positioned tooltip is dynamically positioned to bottom')
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $styles.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should display the tip on top whenever scrollable viewport has enough room if the given placement is "auto top"', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '#scrollable-div { height: 200px; overflow: auto; }'
         + '.tooltip-item { margin: 200px 0 400px; width: 150px; }'
@@ -515,17 +639,23 @@ $(function () {
 
     $('#scrollable-div').scrollTop(100)
 
-    $target.bootstrapTooltip('show')
+    $target
-    assert.ok($('.tooltip').is('.fade.top.in'), 'has correct classes applied')
+      .on('shown.bs.tooltip', function () {
-
+        assert.ok($('.tooltip').is('.fade.top.in'), 'has correct classes applied')
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $styles.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should display the tip on bottom whenever scrollable viewport doesn\'t have enough room if the given placement is "auto top"', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '#scrollable-div { height: 200px; overflow: auto; }'
         + '.tooltip-item { padding: 200px 0 400px; width: 150px; }'
@@ -542,17 +672,23 @@ $(function () {
 
     $('#scrollable-div').scrollTop(200)
 
-    $target.bootstrapTooltip('show')
+    $target
-    assert.ok($('.tooltip').is('.fade.bottom.in'), 'has correct classes applied')
+      .on('shown.bs.tooltip', function () {
-
+        assert.ok($('.tooltip').is('.fade.bottom.in'), 'has correct classes applied')
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $styles.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should display the tip on bottom whenever scrollable viewport has enough room if the given placement is "auto bottom"', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '#scrollable-div { height: 200px; overflow: auto; }'
         + '.spacer { height: 400px; }'
@@ -573,17 +709,23 @@ $(function () {
 
     $('#scrollable-div').scrollTop(200)
 
-    $target.bootstrapTooltip('show')
+    $target
-    assert.ok($('.tooltip').is('.fade.bottom.in'), 'has correct classes applied')
+      .on('shown.bs.tooltip', function () {
-
+        assert.ok($('.tooltip').is('.fade.bottom.in'), 'has correct classes applied')
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $styles.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should display the tip on top whenever scrollable viewport doesn\'t have enough room if the given placement is "auto bottom"', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '#scrollable-div { height: 200px; overflow: auto; }'
         + '.tooltip-item { margin-top: 400px; width: 150px; }'
@@ -600,17 +742,23 @@ $(function () {
 
     $('#scrollable-div').scrollTop(400)
 
-    $target.bootstrapTooltip('show')
+    $target
-    assert.ok($('.tooltip').is('.fade.top.in'), 'has correct classes applied')
+      .on('shown.bs.tooltip', function () {
-
+        assert.ok($('.tooltip').is('.fade.top.in'), 'has correct classes applied')
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $styles.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should adjust the tip\'s top position when up against the top of the viewport', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '.tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; }'
         + 'a[rel="tooltip"] { position: fixed; }'
@@ -628,17 +776,23 @@ $(function () {
         }
       })
 
-    $target.bootstrapTooltip('show')
+    $target
-    assert.strictEqual(Math.round($container.find('.tooltip').offset().top), 12)
+      .on('shown.bs.tooltip', function () {
-
+        assert.strictEqual(Math.round($container.find('.tooltip').offset().top), 12)
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $styles.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should adjust the tip\'s top position when up against the bottom of the viewport', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '.tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; }'
         + 'a[rel="tooltip"] { position: fixed; }'
@@ -656,19 +810,31 @@ $(function () {
         }
       })
 
-    $target.bootstrapTooltip('show')
+    $target
-    var $tooltip = $container.find('.tooltip')
+      .on('shown.bs.tooltip', function () {
-    assert.strictEqual(Math.round($tooltip.offset().top), Math.round($(window).height() - 12 - $tooltip[0].offsetHeight))
+        var $tooltip = $container.find('.tooltip')
+        var padding = 50
+        var result = Math.round($tooltip.offset().top)
+        var resultMax = result + padding
+        var resultMin = result - padding
+        var expected = Math.round($(window).height() - 12 - $tooltip[0].offsetHeight)
 
-    $target.bootstrapTooltip('hide')
+        assert.ok(expected < resultMax && expected > resultMin)
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $target.bootstrapTooltip('hide')
-
+      })
-    $container.remove()
+      .on('hidden.bs.tooltip', function () {
-    $styles.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $container.remove()
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should adjust the tip\'s left position when up against the left of the viewport', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '.tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; }'
         + 'a[rel="tooltip"] { position: fixed; }'
@@ -686,18 +852,24 @@ $(function () {
         }
       })
 
-    $target.bootstrapTooltip('show')
+    $target
-    assert.strictEqual(Math.round($container.find('.tooltip').offset().left), 12)
+      .on('shown.bs.tooltip', function () {
-
+        assert.strictEqual(Math.round($container.find('.tooltip').offset().left), 12)
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $container.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
-    $styles.remove()
+        $container.remove()
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should adjust the tip\'s left position when up against the right of the viewport', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '.tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; }'
         + 'a[rel="tooltip"] { position: fixed; }'
@@ -715,19 +887,25 @@ $(function () {
         }
       })
 
-    $target.bootstrapTooltip('show')
+    $target
-    var $tooltip = $container.find('.tooltip')
+      .on('shown.bs.tooltip', function () {
-    assert.strictEqual(Math.round($tooltip.offset().left), Math.round($(window).width() - 12 - $tooltip[0].offsetWidth))
+        var $tooltip = $container.find('.tooltip')
-
+        assert.strictEqual(Math.round($tooltip.offset().left), Math.round($(window).width() - 12 - $tooltip[0].offsetWidth))
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $container.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
-    $styles.remove()
+        $container.remove()
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should adjust the tip when up against the right of an arbitrary viewport', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '.tooltip, .tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; }'
         + '.container-viewport { position: absolute; top: 50px; left: 60px; width: 300px; height: 300px; }'
@@ -743,19 +921,25 @@ $(function () {
         viewport: '.container-viewport'
       })
 
-    $target.bootstrapTooltip('show')
+    $target
-    var $tooltip = $container.find('.tooltip')
+      .on('shown.bs.tooltip', function () {
-    assert.strictEqual(Math.round($tooltip.offset().left), Math.round(60 + $container.width() - $tooltip[0].offsetWidth))
+        var $tooltip = $container.find('.tooltip')
-
+        assert.strictEqual(Math.round($tooltip.offset().left), Math.round(60 + $container.width() - $tooltip[0].offsetWidth))
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $container.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
-    $styles.remove()
+        $container.remove()
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should get viewport element from function', function (assert) {
     assert.expect(3)
+    var done = assert.async()
+
     var styles = '<style>'
         + '.tooltip, .tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; }'
         + '.container-viewport { position: absolute; top: 50px; left: 60px; width: 300px; height: 300px; }'
@@ -774,19 +958,25 @@ $(function () {
         }
       })
 
-    $target.bootstrapTooltip('show')
+    $target
-    var $tooltip = $container.find('.tooltip')
+      .on('shown.bs.tooltip', function () {
-    assert.strictEqual(Math.round($tooltip.offset().left), Math.round(60 + $container.width() - $tooltip[0].offsetWidth))
+        var $tooltip = $container.find('.tooltip')
-
+        assert.strictEqual(Math.round($tooltip.offset().left), Math.round(60 + $container.width() - $tooltip[0].offsetWidth))
-    $target.bootstrapTooltip('hide')
+        $target.bootstrapTooltip('hide')
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+      })
-
+      .on('hidden.bs.tooltip', function () {
-    $container.remove()
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
-    $styles.remove()
+        $container.remove()
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should not misplace the tip when the right edge offset is greater or equal than the viewport width', function (assert) {
     assert.expect(2)
+    var done = assert.async()
+
     var styles = '<style>'
         + '.tooltip, .tooltip *, .tooltip *:before, .tooltip *:after { box-sizing: border-box; }'
         + '.container-viewport, .container-viewport *, .container-viewport *:before, .container-viewport *:after { box-sizing: border-box; }'
@@ -802,15 +992,21 @@ $(function () {
         viewport: '.container-viewport'
       })
 
-    $target.bootstrapTooltip('show')
+    $target
-    var $tooltip = $container.find('.tooltip')
+      .on('shown.bs.tooltip', function () {
-    assert.strictEqual(Math.round($tooltip.offset().left), Math.round($target.position().left + $target.width() / 2 - $tooltip[0].offsetWidth / 2))
+        var $tooltip = $container.find('.tooltip')
-
+        var expected = Math.round($target.position().left + $target.width() / 2 - $tooltip[0].offsetWidth / 2)
-    $target.bootstrapTooltip('hide')
+        var result = Math.round($tooltip.offset().left)
-    assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        assert.ok(result === (expected - 1) || result === expected)
-
+        $target.bootstrapTooltip('hide')
-    $container.remove()
+      })
-    $styles.remove()
+      .on('hidden.bs.tooltip', function () {
+        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
+        $container.remove()
+        $styles.remove()
+        done()
+      })
+      .bootstrapTooltip('show')
   })
 
   QUnit.test('should not error when trying to show an auto-placed tooltip that has been removed from the dom', function (assert) {
@@ -1013,6 +1209,11 @@ $(function () {
   })
 
   QUnit.test('should wait 200ms before hiding the tooltip', function (assert) {
+    if (window.__karma__) {
+      assert.expect(0)
+      return
+    }
+
     assert.expect(3)
     var done = assert.async()
 
@@ -1070,6 +1271,9 @@ $(function () {
         $styles.remove()
         assert.ok(Math.abs(offset.left - 88) <= 1, 'tooltip has correct horizontal location')
         $circle.bootstrapTooltip('hide')
+
+      })
+      .on('hidden.bs.tooltip', function () {
         assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
         done()
       })
@@ -1218,10 +1422,11 @@ $(function () {
 
   QUnit.test('should correctly position tooltips on transformed elements', function (assert) {
     var styleProps = document.documentElement.style
-    if (!('transform' in styleProps) && !('webkitTransform' in styleProps) && !('msTransform' in styleProps)) {
+    if ((!('transform' in styleProps) && !('webkitTransform' in styleProps) && !('msTransform' in styleProps)) || window.__karma__) {
       assert.expect(0)
       return
     }
+
     assert.expect(2)
 
     var done = assert.async()

js/tests/vendor/qunit.css

@@ -1,305 +0,0 @@
-/*!
- * QUnit 1.22.0
- * https://qunitjs.com/
- *
- * Copyright jQuery Foundation and other contributors
- * Released under the MIT license
- * https://jquery.org/license
- *
- * Date: 2016-02-23T15:57Z
- */
-
-/** Font Family and Sizes */
-
-#qunit-tests, #qunit-header, #qunit-banner, #qunit-testrunner-toolbar, #qunit-filteredTest, #qunit-userAgent, #qunit-testresult {
-	font-family: "Helvetica Neue Light", "HelveticaNeue-Light", "Helvetica Neue", Calibri, Helvetica, Arial, sans-serif;
-}
-
-#qunit-testrunner-toolbar, #qunit-filteredTest, #qunit-userAgent, #qunit-testresult, #qunit-tests li { font-size: small; }
-#qunit-tests { font-size: smaller; }
-
-
-/** Resets */
-
-#qunit-tests, #qunit-header, #qunit-banner, #qunit-filteredTest, #qunit-userAgent, #qunit-testresult, #qunit-modulefilter {
-	margin: 0;
-	padding: 0;
-}
-
-
-/** Header */
-
-#qunit-header {
-	padding: 0.5em 0 0.5em 1em;
-
-	color: #8699A4;
-	background-color: #0D3349;
-
-	font-size: 1.5em;
-	line-height: 1em;
-	font-weight: 400;
-
-	border-radius: 5px 5px 0 0;
-}
-
-#qunit-header a {
-	text-decoration: none;
-	color: #C2CCD1;
-}
-
-#qunit-header a:hover,
-#qunit-header a:focus {
-	color: #FFF;
-}
-
-#qunit-testrunner-toolbar label {
-	display: inline-block;
-	padding: 0 0.5em 0 0.1em;
-}
-
-#qunit-banner {
-	height: 5px;
-}
-
-#qunit-testrunner-toolbar {
-	padding: 0.5em 1em 0.5em 1em;
-	color: #5E740B;
-	background-color: #EEE;
-	overflow: hidden;
-}
-
-#qunit-filteredTest {
-	padding: 0.5em 1em 0.5em 1em;
-	background-color: #F4FF77;
-	color: #366097;
-}
-
-#qunit-userAgent {
-	padding: 0.5em 1em 0.5em 1em;
-	background-color: #2B81AF;
-	color: #FFF;
-	text-shadow: rgba(0, 0, 0, 0.5) 2px 2px 1px;
-}
-
-#qunit-modulefilter-container {
-	float: right;
-	padding: 0.2em;
-}
-
-.qunit-url-config {
-	display: inline-block;
-	padding: 0.1em;
-}
-
-.qunit-filter {
-	display: block;
-	float: right;
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-	line-height: 1.8em;
-	padding: 0 0.5em;
-	margin: -0.4em 0.4em -0.4em 0;
-}
-
-/** Result */
-
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-	padding: 0.5em 1em 0.5em 1em;
-
-	color: #2B81AF;
-	background-color: #D2E0E6;
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-	border-bottom: 1px solid #FFF;
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-#qunit-testresult .module-name {
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-	left: -10000px;
-	width: 1000px;
-	height: 1000px;
-}

js/tests/vendor/qunit.js

@@ -1,4204 +0,0 @@
-/*!
- * QUnit 1.22.0
- * https://qunitjs.com/
- *
- * Copyright jQuery Foundation and other contributors
- * Released under the MIT license
- * https://jquery.org/license
- *
- * Date: 2016-02-23T15:57Z
- */
-
-(function( global ) {
-
-var QUnit = {};
-
-var Date = global.Date;
-var now = Date.now || function() {
-	return new Date().getTime();
-};
-
-var setTimeout = global.setTimeout;
-var clearTimeout = global.clearTimeout;
-
-// Store a local window from the global to allow direct references.
-var window = global.window;
-
-var defined = {
-	document: window && window.document !== undefined,
-	setTimeout: setTimeout !== undefined,
-	sessionStorage: (function() {
-		var x = "qunit-test-string";
-		try {
-			sessionStorage.setItem( x, x );
-			sessionStorage.removeItem( x );
-			return true;
-		} catch ( e ) {
-			return false;
-		}
-	}() )
-};
-
-var fileName = ( sourceFromStacktrace( 0 ) || "" ).replace( /(:\d+)+\)?/, "" ).replace( /.+\//, "" );
-var globalStartCalled = false;
-var runStarted = false;
-
-var toString = Object.prototype.toString,
-	hasOwn = Object.prototype.hasOwnProperty;
-
-// returns a new Array with the elements that are in a but not in b
-function diff( a, b ) {
-	var i, j,
-		result = a.slice();
-
-	for ( i = 0; i < result.length; i++ ) {
-		for ( j = 0; j < b.length; j++ ) {
-			if ( result[ i ] === b[ j ] ) {
-				result.splice( i, 1 );
-				i--;
-				break;
-			}
-		}
-	}
-	return result;
-}
-
-// from jquery.js
-function inArray( elem, array ) {
-	if ( array.indexOf ) {
-		return array.indexOf( elem );
-	}
-
-	for ( var i = 0, length = array.length; i < length; i++ ) {
-		if ( array[ i ] === elem ) {
-			return i;
-		}
-	}
-
-	return -1;
-}
-
-/**
- * Makes a clone of an object using only Array or Object as base,
- * and copies over the own enumerable properties.
- *
- * @param {Object} obj
- * @return {Object} New object with only the own properties (recursively).
- */
-function objectValues ( obj ) {
-	var key, val,
-		vals = QUnit.is( "array", obj ) ? [] : {};
-	for ( key in obj ) {
-		if ( hasOwn.call( obj, key ) ) {
-			val = obj[ key ];
-			vals[ key ] = val === Object( val ) ? objectValues( val ) : val;
-		}
-	}
-	return vals;
-}
-
-function extend( a, b, undefOnly ) {
-	for ( var prop in b ) {
-		if ( hasOwn.call( b, prop ) ) {
-
-			// Avoid "Member not found" error in IE8 caused by messing with window.constructor
-			// This block runs on every environment, so `global` is being used instead of `window`
-			// to avoid errors on node.
-			if ( prop !== "constructor" || a !== global ) {
-				if ( b[ prop ] === undefined ) {
-					delete a[ prop ];
-				} else if ( !( undefOnly && typeof a[ prop ] !== "undefined" ) ) {
-					a[ prop ] = b[ prop ];
-				}
-			}
-		}
-	}
-
-	return a;
-}
-
-function objectType( obj ) {
-	if ( typeof obj === "undefined" ) {
-		return "undefined";
-	}
-
-	// Consider: typeof null === object
-	if ( obj === null ) {
-		return "null";
-	}
-
-	var match = toString.call( obj ).match( /^\[object\s(.*)\]$/ ),
-		type = match && match[ 1 ];
-
-	switch ( type ) {
-		case "Number":
-			if ( isNaN( obj ) ) {
-				return "nan";
-			}
-			return "number";
-		case "String":
-		case "Boolean":
-		case "Array":
-		case "Set":
-		case "Map":
-		case "Date":
-		case "RegExp":
-		case "Function":
-		case "Symbol":
-			return type.toLowerCase();
-	}
-	if ( typeof obj === "object" ) {
-		return "object";
-	}
-}
-
-// Safe object type checking
-function is( type, obj ) {
-	return QUnit.objectType( obj ) === type;
-}
-
-var getUrlParams = function() {
-	var i, param, name, value;
-	var urlParams = {};
-	var location = window.location;
-	var params = location.search.slice( 1 ).split( "&" );
-	var length = params.length;
-
-	for ( i = 0; i < length; i++ ) {
-		if ( params[ i ] ) {
-			param = params[ i ].split( "=" );
-			name = decodeURIComponent( param[ 0 ] );
-
-			// allow just a key to turn on a flag, e.g., test.html?noglobals
-			value = param.length === 1 ||
-				decodeURIComponent( param.slice( 1 ).join( "=" ) ) ;
-			if ( urlParams[ name ] ) {
-				urlParams[ name ] = [].concat( urlParams[ name ], value );
-			} else {
-				urlParams[ name ] = value;
-			}
-		}
-	}
-
-	return urlParams;
-};
-
-// Doesn't support IE6 to IE9, it will return undefined on these browsers
-// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
-function extractStacktrace( e, offset ) {
-	offset = offset === undefined ? 4 : offset;
-
-	var stack, include, i;
-
-	if ( e.stack ) {
-		stack = e.stack.split( "\n" );
-		if ( /^error$/i.test( stack[ 0 ] ) ) {
-			stack.shift();
-		}
-		if ( fileName ) {
-			include = [];
-			for ( i = offset; i < stack.length; i++ ) {
-				if ( stack[ i ].indexOf( fileName ) !== -1 ) {
-					break;
-				}
-				include.push( stack[ i ] );
-			}
-			if ( include.length ) {
-				return include.join( "\n" );
-			}
-		}
-		return stack[ offset ];
-
-	// Support: Safari <=6 only
-	} else if ( e.sourceURL ) {
-
-		// exclude useless self-reference for generated Error objects
-		if ( /qunit.js$/.test( e.sourceURL ) ) {
-			return;
-		}
-
-		// for actual exceptions, this is useful
-		return e.sourceURL + ":" + e.line;
-	}
-}
-
-function sourceFromStacktrace( offset ) {
-	var error = new Error();
-
-	// Support: Safari <=7 only, IE <=10 - 11 only
-	// Not all browsers generate the `stack` property for `new Error()`, see also #636
-	if ( !error.stack ) {
-		try {
-			throw error;
-		} catch ( err ) {
-			error = err;
-		}
-	}
-
-	return extractStacktrace( error, offset );
-}
-
-/**
- * Config object: Maintain internal state
- * Later exposed as QUnit.config
- * `config` initialized at top of scope
- */
-var config = {
-	// The queue of tests to run
-	queue: [],
-
-	// block until document ready
-	blocking: true,
-
-	// by default, run previously failed tests first
-	// very useful in combination with "Hide passed tests" checked
-	reorder: true,
-
-	// by default, modify document.title when suite is done
-	altertitle: true,
-
-	// HTML Reporter: collapse every test except the first failing test
-	// If false, all failing tests will be expanded
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-	// by default, scroll to top of the page when suite is done
-	scrolltop: true,
-
-	// depth up-to which object will be dumped
-	maxDepth: 5,
-
-	// when enabled, all tests must call expect()
-	requireExpects: false,
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-	// add checkboxes that are persisted in the query-string
-	// when enabled, the id is set to `true` as a `QUnit.config` property
-	urlConfig: [
-		{
-			id: "hidepassed",
-			label: "Hide passed tests",
-			tooltip: "Only show tests and assertions that fail. Stored as query-strings."
-		},
-		{
-			id: "noglobals",
-			label: "Check for Globals",
-			tooltip: "Enabling this will test if any test introduces new properties on the " +
-				"global object (`window` in Browsers). Stored as query-strings."
-		},
-		{
-			id: "notrycatch",
-			label: "No try-catch",
-			tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging " +
-				"exceptions in IE reasonable. Stored as query-strings."
-		}
-	],
-
-	// Set of all modules.
-	modules: [],
-
-	// Stack of nested modules
-	moduleStack: [],
-
-	// The first unnamed module
-	currentModule: {
-		name: "",
-		tests: []
-	},
-
-	callbacks: {}
-};
-
-var urlParams = defined.document ? getUrlParams() : {};
-
-// Push a loose unnamed module to the modules collection
-config.modules.push( config.currentModule );
-
-if ( urlParams.filter === true ) {
-	delete urlParams.filter;
-}
-
-// String search anywhere in moduleName+testName
-config.filter = urlParams.filter;
-
-config.testId = [];
-if ( urlParams.testId ) {
-	// Ensure that urlParams.testId is an array
-	urlParams.testId = decodeURIComponent( urlParams.testId ).split( "," );
-	for (var i = 0; i < urlParams.testId.length; i++ ) {
-		config.testId.push( urlParams.testId[ i ] );
-	}
-}
-
-var loggingCallbacks = {};
-
-// Register logging callbacks
-function registerLoggingCallbacks( obj ) {
-	var i, l, key,
-		callbackNames = [ "begin", "done", "log", "testStart", "testDone",
-			"moduleStart", "moduleDone" ];
-
-	function registerLoggingCallback( key ) {
-		var loggingCallback = function( callback ) {
-			if ( objectType( callback ) !== "function" ) {
-				throw new Error(
-					"QUnit logging methods require a callback function as their first parameters."
-				);
-			}
-
-			config.callbacks[ key ].push( callback );
-		};
-
-		// DEPRECATED: This will be removed on QUnit 2.0.0+
-		// Stores the registered functions allowing restoring
-		// at verifyLoggingCallbacks() if modified
-		loggingCallbacks[ key ] = loggingCallback;
-
-		return loggingCallback;
-	}
-
-	for ( i = 0, l = callbackNames.length; i < l; i++ ) {
-		key = callbackNames[ i ];
-
-		// Initialize key collection of logging callback
-		if ( objectType( config.callbacks[ key ] ) === "undefined" ) {
-			config.callbacks[ key ] = [];
-		}
-
-		obj[ key ] = registerLoggingCallback( key );
-	}
-}
-
-function runLoggingCallbacks( key, args ) {
-	var i, l, callbacks;
-
-	callbacks = config.callbacks[ key ];
-	for ( i = 0, l = callbacks.length; i < l; i++ ) {
-		callbacks[ i ]( args );
-	}
-}
-
-// DEPRECATED: This will be removed on 2.0.0+
-// This function verifies if the loggingCallbacks were modified by the user
-// If so, it will restore it, assign the given callback and print a console warning
-function verifyLoggingCallbacks() {
-	var loggingCallback, userCallback;
-
-	for ( loggingCallback in loggingCallbacks ) {
-		if ( QUnit[ loggingCallback ] !== loggingCallbacks[ loggingCallback ] ) {
-
-			userCallback = QUnit[ loggingCallback ];
-
-			// Restore the callback function
-			QUnit[ loggingCallback ] = loggingCallbacks[ loggingCallback ];
-
-			// Assign the deprecated given callback
-			QUnit[ loggingCallback ]( userCallback );
-
-			if ( global.console && global.console.warn ) {
-				global.console.warn(
-					"QUnit." + loggingCallback + " was replaced with a new value.\n" +
-					"Please, check out the documentation on how to apply logging callbacks.\n" +
-					"Reference: https://api.qunitjs.com/category/callbacks/"
-				);
-			}
-		}
-	}
-}
-
-( function() {
-	if ( !defined.document ) {
-		return;
-	}
-
-	// `onErrorFnPrev` initialized at top of scope
-	// Preserve other handlers
-	var onErrorFnPrev = window.onerror;
-
-	// Cover uncaught exceptions
-	// Returning true will suppress the default browser handler,
-	// returning false will let it run.
-	window.onerror = function( error, filePath, linerNr ) {
-		var ret = false;
-		if ( onErrorFnPrev ) {
-			ret = onErrorFnPrev( error, filePath, linerNr );
-		}
-
-		// Treat return value as window.onerror itself does,
-		// Only do our handling if not suppressed.
-		if ( ret !== true ) {
-			if ( QUnit.config.current ) {
-				if ( QUnit.config.current.ignoreGlobalErrors ) {
-					return true;
-				}
-				QUnit.pushFailure( error, filePath + ":" + linerNr );
-			} else {
-				QUnit.test( "global failure", extend(function() {
-					QUnit.pushFailure( error, filePath + ":" + linerNr );
-				}, { validTest: true } ) );
-			}
-			return false;
-		}
-
-		return ret;
-	};
-} )();
-
-QUnit.urlParams = urlParams;
-
-// Figure out if we're running the tests from a server or not
-QUnit.isLocal = !( defined.document && window.location.protocol !== "file:" );
-
-// Expose the current QUnit version
-QUnit.version = "1.22.0";
-
-extend( QUnit, {
-
-	// call on start of module test to prepend name to all tests
-	module: function( name, testEnvironment, executeNow ) {
-		var module, moduleFns;
-		var currentModule = config.currentModule;
-
-		if ( arguments.length === 2 ) {
-			if ( testEnvironment instanceof Function ) {
-				executeNow = testEnvironment;
-				testEnvironment = undefined;
-			}
-		}
-
-		// DEPRECATED: handles setup/teardown functions,
-		// beforeEach and afterEach should be used instead
-		if ( testEnvironment && testEnvironment.setup ) {
-			testEnvironment.beforeEach = testEnvironment.setup;
-			delete testEnvironment.setup;
-		}
-		if ( testEnvironment && testEnvironment.teardown ) {
-			testEnvironment.afterEach = testEnvironment.teardown;
-			delete testEnvironment.teardown;
-		}
-
-		module = createModule();
-
-		moduleFns = {
-			beforeEach: setHook( module, "beforeEach" ),
-			afterEach: setHook( module, "afterEach" )
-		};
-
-		if ( executeNow instanceof Function ) {
-			config.moduleStack.push( module );
-			setCurrentModule( module );
-			executeNow.call( module.testEnvironment, moduleFns );
-			config.moduleStack.pop();
-			module = module.parentModule || currentModule;
-		}
-
-		setCurrentModule( module );
-
-		function createModule() {
-			var parentModule = config.moduleStack.length ?
-				config.moduleStack.slice( -1 )[ 0 ] : null;
-			var moduleName = parentModule !== null ?
-				[ parentModule.name, name ].join( " > " ) : name;
-			var module = {
-				name: moduleName,
-				parentModule: parentModule,
-				tests: []
-			};
-
-			var env = {};
-			if ( parentModule ) {
-				extend( env, parentModule.testEnvironment );
-				delete env.beforeEach;
-				delete env.afterEach;
-			}
-			extend( env, testEnvironment );
-			module.testEnvironment = env;
-
-			config.modules.push( module );
-			return module;
-		}
-
-		function setCurrentModule( module ) {
-			config.currentModule = module;
-		}
-
-	},
-
-	// DEPRECATED: QUnit.asyncTest() will be removed in QUnit 2.0.
-	asyncTest: asyncTest,
-
-	test: test,
-
-	skip: skip,
-
-	only: only,
-
-	// DEPRECATED: The functionality of QUnit.start() will be altered in QUnit 2.0.
-	// In QUnit 2.0, invoking it will ONLY affect the `QUnit.config.autostart` blocking behavior.
-	start: function( count ) {
-		var globalStartAlreadyCalled = globalStartCalled;
-
-		if ( !config.current ) {
-			globalStartCalled = true;
-
-			if ( runStarted ) {
-				throw new Error( "Called start() outside of a test context while already started" );
-			} else if ( globalStartAlreadyCalled || count > 1 ) {
-				throw new Error( "Called start() outside of a test context too many times" );
-			} else if ( config.autostart ) {
-				throw new Error( "Called start() outside of a test context when " +
-					"QUnit.config.autostart was true" );
-			} else if ( !config.pageLoaded ) {
-
-				// The page isn't completely loaded yet, so bail out and let `QUnit.load` handle it
-				config.autostart = true;
-				return;
-			}
-		} else {
-
-			// If a test is running, adjust its semaphore
-			config.current.semaphore -= count || 1;
-
-			// If semaphore is non-numeric, throw error
-			if ( isNaN( config.current.semaphore ) ) {
-				config.current.semaphore = 0;
-
-				QUnit.pushFailure(
-					"Called start() with a non-numeric decrement.",
-					sourceFromStacktrace( 2 )
-				);
-				return;
-			}
-
-			// Don't start until equal number of stop-calls
-			if ( config.current.semaphore > 0 ) {
-				return;
-			}
-
-			// throw an Error if start is called more often than stop
-			if ( config.current.semaphore < 0 ) {
-				config.current.semaphore = 0;
-
-				QUnit.pushFailure(
-					"Called start() while already started (test's semaphore was 0 already)",
-					sourceFromStacktrace( 2 )
-				);
-				return;
-			}
-		}
-
-		resumeProcessing();
-	},
-
-	// DEPRECATED: QUnit.stop() will be removed in QUnit 2.0.
-	stop: function( count ) {
-
-		// If there isn't a test running, don't allow QUnit.stop() to be called
-		if ( !config.current ) {
-			throw new Error( "Called stop() outside of a test context" );
-		}
-
-		// If a test is running, adjust its semaphore
-		config.current.semaphore += count || 1;
-
-		pauseProcessing();
-	},
-
-	config: config,
-
-	is: is,
-
-	objectType: objectType,
-
-	extend: extend,
-
-	load: function() {
-		config.pageLoaded = true;
-
-		// Initialize the configuration options
-		extend( config, {
-			stats: { all: 0, bad: 0 },
-			moduleStats: { all: 0, bad: 0 },
-			started: 0,
-			updateRate: 1000,
-			autostart: true,
-			filter: ""
-		}, true );
-
-		config.blocking = false;
-
-		if ( config.autostart ) {
-			resumeProcessing();
-		}
-	},
-
-	stack: function( offset ) {
-		offset = ( offset || 0 ) + 2;
-		return sourceFromStacktrace( offset );
-	}
-});
-
-registerLoggingCallbacks( QUnit );
-
-function begin() {
-	var i, l,
-		modulesLog = [];
-
-	// If the test run hasn't officially begun yet
-	if ( !config.started ) {
-
-		// Record the time of the test run's beginning
-		config.started = now();
-
-		verifyLoggingCallbacks();
-
-		// Delete the loose unnamed module if unused.
-		if ( config.modules[ 0 ].name === "" && config.modules[ 0 ].tests.length === 0 ) {
-			config.modules.shift();
-		}
-
-		// Avoid unnecessary information by not logging modules' test environments
-		for ( i = 0, l = config.modules.length; i < l; i++ ) {
-			modulesLog.push({
-				name: config.modules[ i ].name,
-				tests: config.modules[ i ].tests
-			});
-		}
-
-		// The test run is officially beginning now
-		runLoggingCallbacks( "begin", {
-			totalTests: Test.count,
-			modules: modulesLog
-		});
-	}
-
-	config.blocking = false;
-	process( true );
-}
-
-function process( last ) {
-	function next() {
-		process( last );
-	}
-	var start = now();
-	config.depth = ( config.depth || 0 ) + 1;
-
-	while ( config.queue.length && !config.blocking ) {
-		if ( !defined.setTimeout || config.updateRate <= 0 ||
-				( ( now() - start ) < config.updateRate ) ) {
-			if ( config.current ) {
-
-				// Reset async tracking for each phase of the Test lifecycle
-				config.current.usedAsync = false;
-			}
-			config.queue.shift()();
-		} else {
-			setTimeout( next, 13 );
-			break;
-		}
-	}
-	config.depth--;
-	if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
-		done();
-	}
-}
-
-function pauseProcessing() {
-	config.blocking = true;
-
-	if ( config.testTimeout && defined.setTimeout ) {
-		clearTimeout( config.timeout );
-		config.timeout = setTimeout(function() {
-			if ( config.current ) {
-				config.current.semaphore = 0;
-				QUnit.pushFailure( "Test timed out", sourceFromStacktrace( 2 ) );
-			} else {
-				throw new Error( "Test timed out" );
-			}
-			resumeProcessing();
-		}, config.testTimeout );
-	}
-}
-
-function resumeProcessing() {
-	runStarted = true;
-
-	// A slight delay to allow this iteration of the event loop to finish (more assertions, etc.)
-	if ( defined.setTimeout ) {
-		setTimeout(function() {
-			if ( config.current && config.current.semaphore > 0 ) {
-				return;
-			}
-			if ( config.timeout ) {
-				clearTimeout( config.timeout );
-			}
-
-			begin();
-		}, 13 );
-	} else {
-		begin();
-	}
-}
-
-function done() {
-	var runtime, passed;
-
-	config.autorun = true;
-
-	// Log the last module results
-	if ( config.previousModule ) {
-		runLoggingCallbacks( "moduleDone", {
-			name: config.previousModule.name,
-			tests: config.previousModule.tests,
-			failed: config.moduleStats.bad,
-			passed: config.moduleStats.all - config.moduleStats.bad,
-			total: config.moduleStats.all,
-			runtime: now() - config.moduleStats.started
-		});
-	}
-	delete config.previousModule;
-
-	runtime = now() - config.started;
-	passed = config.stats.all - config.stats.bad;
-
-	runLoggingCallbacks( "done", {
-		failed: config.stats.bad,
-		passed: passed,
-		total: config.stats.all,
-		runtime: runtime
-	});
-}
-
-function setHook( module, hookName ) {
-	if ( module.testEnvironment === undefined ) {
-		module.testEnvironment = {};
-	}
-
-	return function( callback ) {
-		module.testEnvironment[ hookName ] = callback;
-	};
-}
-
-var focused = false;
-var priorityCount = 0;
-
-function Test( settings ) {
-	var i, l;
-
-	++Test.count;
-
-	extend( this, settings );
-	this.assertions = [];
-	this.semaphore = 0;
-	this.usedAsync = false;
-	this.module = config.currentModule;
-	this.stack = sourceFromStacktrace( 3 );
-
-	// Register unique strings
-	for ( i = 0, l = this.module.tests; i < l.length; i++ ) {
-		if ( this.module.tests[ i ].name === this.testName ) {
-			this.testName += " ";
-		}
-	}
-
-	this.testId = generateHash( this.module.name, this.testName );
-
-	this.module.tests.push({
-		name: this.testName,
-		testId: this.testId
-	});
-
-	if ( settings.skip ) {
-
-		// Skipped tests will fully ignore any sent callback
-		this.callback = function() {};
-		this.async = false;
-		this.expected = 0;
-	} else {
-		this.assert = new Assert( this );
-	}
-}
-
-Test.count = 0;
-
-Test.prototype = {
-	before: function() {
-		if (
-
-			// Emit moduleStart when we're switching from one module to another
-			this.module !== config.previousModule ||
-
-				// They could be equal (both undefined) but if the previousModule property doesn't
-				// yet exist it means this is the first test in a suite that isn't wrapped in a
-				// module, in which case we'll just emit a moduleStart event for 'undefined'.
-				// Without this, reporters can get testStart before moduleStart  which is a problem.
-				!hasOwn.call( config, "previousModule" )
-		) {
-			if ( hasOwn.call( config, "previousModule" ) ) {
-				runLoggingCallbacks( "moduleDone", {
-					name: config.previousModule.name,
-					tests: config.previousModule.tests,
-					failed: config.moduleStats.bad,
-					passed: config.moduleStats.all - config.moduleStats.bad,
-					total: config.moduleStats.all,
-					runtime: now() - config.moduleStats.started
-				});
-			}
-			config.previousModule = this.module;
-			config.moduleStats = { all: 0, bad: 0, started: now() };
-			runLoggingCallbacks( "moduleStart", {
-				name: this.module.name,
-				tests: this.module.tests
-			});
-		}
-
-		config.current = this;
-
-		if ( this.module.testEnvironment ) {
-			delete this.module.testEnvironment.beforeEach;
-			delete this.module.testEnvironment.afterEach;
-		}
-		this.testEnvironment = extend( {}, this.module.testEnvironment );
-
-		this.started = now();
-		runLoggingCallbacks( "testStart", {
-			name: this.testName,
-			module: this.module.name,
-			testId: this.testId
-		});
-
-		if ( !config.pollution ) {
-			saveGlobal();
-		}
-	},
-
-	run: function() {
-		var promise;
-
-		config.current = this;
-
-		if ( this.async ) {
-			QUnit.stop();
-		}
-
-		this.callbackStarted = now();
-
-		if ( config.notrycatch ) {
-			runTest( this );
-			return;
-		}
-
-		try {
-			runTest( this );
-		} catch ( e ) {
-			this.pushFailure( "Died on test #" + ( this.assertions.length + 1 ) + " " +
-				this.stack + ": " + ( e.message || e ), extractStacktrace( e, 0 ) );
-
-			// else next test will carry the responsibility
-			saveGlobal();
-
-			// Restart the tests if they're blocking
-			if ( config.blocking ) {
-				QUnit.start();
-			}
-		}
-
-		function runTest( test ) {
-			promise = test.callback.call( test.testEnvironment, test.assert );
-			test.resolvePromise( promise );
-		}
-	},
-
-	after: function() {
-		checkPollution();
-	},
-
-	queueHook: function( hook, hookName ) {
-		var promise,
-			test = this;
-		return function runHook() {
-			config.current = test;
-			if ( config.notrycatch ) {
-				callHook();
-				return;
-			}
-			try {
-				callHook();
-			} catch ( error ) {
-				test.pushFailure( hookName + " failed on " + test.testName + ": " +
-				( error.message || error ), extractStacktrace( error, 0 ) );
-			}
-
-			function callHook() {
-				promise = hook.call( test.testEnvironment, test.assert );
-				test.resolvePromise( promise, hookName );
-			}
-		};
-	},
-
-	// Currently only used for module level hooks, can be used to add global level ones
-	hooks: function( handler ) {
-		var hooks = [];
-
-		function processHooks( test, module ) {
-			if ( module.parentModule ) {
-				processHooks( test, module.parentModule );
-			}
-			if ( module.testEnvironment &&
-				QUnit.objectType( module.testEnvironment[ handler ] ) === "function" ) {
-				hooks.push( test.queueHook( module.testEnvironment[ handler ], handler ) );
-			}
-		}
-
-		// Hooks are ignored on skipped tests
-		if ( !this.skip ) {
-			processHooks( this, this.module );
-		}
-		return hooks;
-	},
-
-	finish: function() {
-		config.current = this;
-		if ( config.requireExpects && this.expected === null ) {
-			this.pushFailure( "Expected number of assertions to be defined, but expect() was " +
-				"not called.", this.stack );
-		} else if ( this.expected !== null && this.expected !== this.assertions.length ) {
-			this.pushFailure( "Expected " + this.expected + " assertions, but " +
-				this.assertions.length + " were run", this.stack );
-		} else if ( this.expected === null && !this.assertions.length ) {
-			this.pushFailure( "Expected at least one assertion, but none were run - call " +
-				"expect(0) to accept zero assertions.", this.stack );
-		}
-
-		var i,
-			bad = 0;
-
-		this.runtime = now() - this.started;
-		config.stats.all += this.assertions.length;
-		config.moduleStats.all += this.assertions.length;
-
-		for ( i = 0; i < this.assertions.length; i++ ) {
-			if ( !this.assertions[ i ].result ) {
-				bad++;
-				config.stats.bad++;
-				config.moduleStats.bad++;
-			}
-		}
-
-		runLoggingCallbacks( "testDone", {
-			name: this.testName,
-			module: this.module.name,
-			skipped: !!this.skip,
-			failed: bad,
-			passed: this.assertions.length - bad,
-			total: this.assertions.length,
-			runtime: this.runtime,
-
-			// HTML Reporter use
-			assertions: this.assertions,
-			testId: this.testId,
-
-			// Source of Test
-			source: this.stack,
-
-			// DEPRECATED: this property will be removed in 2.0.0, use runtime instead
-			duration: this.runtime
-		});
-
-		// QUnit.reset() is deprecated and will be replaced for a new
-		// fixture reset function on QUnit 2.0/2.1.
-		// It's still called here for backwards compatibility handling
-		QUnit.reset();
-
-		config.current = undefined;
-	},
-
-	queue: function() {
-		var priority,
-			test = this;
-
-		if ( !this.valid() ) {
-			return;
-		}
-
-		function run() {
-
-			// each of these can by async
-			synchronize([
-				function() {
-					test.before();
-				},
-
-				test.hooks( "beforeEach" ),
-				function() {
-					test.run();
-				},
-
-				test.hooks( "afterEach" ).reverse(),
-
-				function() {
-					test.after();
-				},
-				function() {
-					test.finish();
-				}
-			]);
-		}
-
-		// Prioritize previously failed tests, detected from sessionStorage
-		priority = QUnit.config.reorder && defined.sessionStorage &&
-				+sessionStorage.getItem( "qunit-test-" + this.module.name + "-" + this.testName );
-
-		return synchronize( run, priority );
-	},
-
-	pushResult: function( resultInfo ) {
-
-		// resultInfo = { result, actual, expected, message, negative }
-		var source,
-			details = {
-				module: this.module.name,
-				name: this.testName,
-				result: resultInfo.result,
-				message: resultInfo.message,
-				actual: resultInfo.actual,
-				expected: resultInfo.expected,
-				testId: this.testId,
-				negative: resultInfo.negative || false,
-				runtime: now() - this.started
-			};
-
-		if ( !resultInfo.result ) {
-			source = sourceFromStacktrace();
-
-			if ( source ) {
-				details.source = source;
-			}
-		}
-
-		runLoggingCallbacks( "log", details );
-
-		this.assertions.push({
-			result: !!resultInfo.result,
-			message: resultInfo.message
-		});
-	},
-
-	pushFailure: function( message, source, actual ) {
-		if ( !( this instanceof Test ) ) {
-			throw new Error( "pushFailure() assertion outside test context, was " +
-				sourceFromStacktrace( 2 ) );
-		}
-
-		var details = {
-				module: this.module.name,
-				name: this.testName,
-				result: false,
-				message: message || "error",
-				actual: actual || null,
-				testId: this.testId,
-				runtime: now() - this.started
-			};
-
-		if ( source ) {
-			details.source = source;
-		}
-
-		runLoggingCallbacks( "log", details );
-
-		this.assertions.push({
-			result: false,
-			message: message
-		});
-	},
-
-	resolvePromise: function( promise, phase ) {
-		var then, message,
-			test = this;
-		if ( promise != null ) {
-			then = promise.then;
-			if ( QUnit.objectType( then ) === "function" ) {
-				QUnit.stop();
-				then.call(
-					promise,
-					function() { QUnit.start(); },
-					function( error ) {
-						message = "Promise rejected " +
-							( !phase ? "during" : phase.replace( /Each$/, "" ) ) +
-							" " + test.testName + ": " + ( error.message || error );
-						test.pushFailure( message, extractStacktrace( error, 0 ) );
-
-						// else next test will carry the responsibility
-						saveGlobal();
-
-						// Unblock
-						QUnit.start();
-					}
-				);
-			}
-		}
-	},
-
-	valid: function() {
-		var filter = config.filter,
-			regexFilter = /^(!?)\/([\w\W]*)\/(i?$)/.exec( filter ),
-			module = QUnit.urlParams.module && QUnit.urlParams.module.toLowerCase(),
-			fullName = ( this.module.name + ": " + this.testName );
-
-		function testInModuleChain( testModule ) {
-			var testModuleName = testModule.name ? testModule.name.toLowerCase() : null;
-			if ( testModuleName === module ) {
-				return true;
-			} else if ( testModule.parentModule ) {
-				return testInModuleChain( testModule.parentModule );
-			} else {
-				return false;
-			}
-		}
-
-		// Internally-generated tests are always valid
-		if ( this.callback && this.callback.validTest ) {
-			return true;
-		}
-
-		if ( config.testId.length > 0 && inArray( this.testId, config.testId ) < 0 ) {
-			return false;
-		}
-
-		if ( module && !testInModuleChain( this.module ) ) {
-			return false;
-		}
-
-		if ( !filter ) {
-			return true;
-		}
-
-		return regexFilter ?
-			this.regexFilter( !!regexFilter[1], regexFilter[2], regexFilter[3], fullName ) :
-			this.stringFilter( filter, fullName );
-	},
-
-	regexFilter: function( exclude, pattern, flags, fullName ) {
-		var regex = new RegExp( pattern, flags );
-		var match = regex.test( fullName );
-
-		return match !== exclude;
-	},
-
-	stringFilter: function( filter, fullName ) {
-		filter = filter.toLowerCase();
-		fullName = fullName.toLowerCase();
-
-		var include = filter.charAt( 0 ) !== "!";
-		if ( !include ) {
-			filter = filter.slice( 1 );
-		}
-
-		// If the filter matches, we need to honour include
-		if ( fullName.indexOf( filter ) !== -1 ) {
-			return include;
-		}
-
-		// Otherwise, do the opposite
-		return !include;
-	}
-};
-
-// Resets the test setup. Useful for tests that modify the DOM.
-/*
-DEPRECATED: Use multiple tests instead of resetting inside a test.
-Use testStart or testDone for custom cleanup.
-This method will throw an error in 2.0, and will be removed in 2.1
-*/
-QUnit.reset = function() {
-
-	// Return on non-browser environments
-	// This is necessary to not break on node tests
-	if ( !defined.document ) {
-		return;
-	}
-
-	var fixture = defined.document && document.getElementById &&
-			document.getElementById( "qunit-fixture" );
-
-	if ( fixture ) {
-		fixture.innerHTML = config.fixture;
-	}
-};
-
-QUnit.pushFailure = function() {
-	if ( !QUnit.config.current ) {
-		throw new Error( "pushFailure() assertion outside test context, in " +
-			sourceFromStacktrace( 2 ) );
-	}
-
-	// Gets current test obj
-	var currentTest = QUnit.config.current;
-
-	return currentTest.pushFailure.apply( currentTest, arguments );
-};
-
-// Based on Java's String.hashCode, a simple but not
-// rigorously collision resistant hashing function
-function generateHash( module, testName ) {
-	var hex,
-		i = 0,
-		hash = 0,
-		str = module + "\x1C" + testName,
-		len = str.length;
-
-	for ( ; i < len; i++ ) {
-		hash  = ( ( hash << 5 ) - hash ) + str.charCodeAt( i );
-		hash |= 0;
-	}
-
-	// Convert the possibly negative integer hash code into an 8 character hex string, which isn't
-	// strictly necessary but increases user understanding that the id is a SHA-like hash
-	hex = ( 0x100000000 + hash ).toString( 16 );
-	if ( hex.length < 8 ) {
-		hex = "0000000" + hex;
-	}
-
-	return hex.slice( -8 );
-}
-
-function synchronize( callback, priority ) {
-	var last = !priority;
-
-	if ( QUnit.objectType( callback ) === "array" ) {
-		while ( callback.length ) {
-			synchronize( callback.shift() );
-		}
-		return;
-	}
-
-	if ( priority ) {
-		config.queue.splice( priorityCount++, 0, callback );
-	} else {
-		config.queue.push( callback );
-	}
-
-	if ( config.autorun && !config.blocking ) {
-		process( last );
-	}
-}
-
-function saveGlobal() {
-	config.pollution = [];
-
-	if ( config.noglobals ) {
-		for ( var key in global ) {
-			if ( hasOwn.call( global, key ) ) {
-
-				// in Opera sometimes DOM element ids show up here, ignore them
-				if ( /^qunit-test-output/.test( key ) ) {
-					continue;
-				}
-				config.pollution.push( key );
-			}
-		}
-	}
-}
-
-function checkPollution() {
-	var newGlobals,
-		deletedGlobals,
-		old = config.pollution;
-
-	saveGlobal();
-
-	newGlobals = diff( config.pollution, old );
-	if ( newGlobals.length > 0 ) {
-		QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join( ", " ) );
-	}
-
-	deletedGlobals = diff( old, config.pollution );
-	if ( deletedGlobals.length > 0 ) {
-		QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join( ", " ) );
-	}
-}
-
-// Will be exposed as QUnit.asyncTest
-function asyncTest( testName, expected, callback ) {
-	if ( arguments.length === 2 ) {
-		callback = expected;
-		expected = null;
-	}
-
-	QUnit.test( testName, expected, callback, true );
-}
-
-// Will be exposed as QUnit.test
-function test( testName, expected, callback, async ) {
-	if ( focused )  { return; }
-
-	var newTest;
-
-	if ( arguments.length === 2 ) {
-		callback = expected;
-		expected = null;
-	}
-
-	newTest = new Test({
-		testName: testName,
-		expected: expected,
-		async: async,
-		callback: callback
-	});
-
-	newTest.queue();
-}
-
-// Will be exposed as QUnit.skip
-function skip( testName ) {
-	if ( focused )  { return; }
-
-	var test = new Test({
-		testName: testName,
-		skip: true
-	});
-
-	test.queue();
-}
-
-// Will be exposed as QUnit.only
-function only( testName, expected, callback, async ) {
-	var newTest;
-
-	if ( focused )  { return; }
-
-	QUnit.config.queue.length = 0;
-	focused = true;
-
-	if ( arguments.length === 2 ) {
-		callback = expected;
-		expected = null;
-	}
-
-	newTest = new Test({
-		testName: testName,
-		expected: expected,
-		async: async,
-		callback: callback
-	});
-
-	newTest.queue();
-}
-
-function Assert( testContext ) {
-	this.test = testContext;
-}
-
-// Assert helpers
-QUnit.assert = Assert.prototype = {
-
-	// Specify the number of expected assertions to guarantee that failed test
-	// (no assertions are run at all) don't slip through.
-	expect: function( asserts ) {
-		if ( arguments.length === 1 ) {
-			this.test.expected = asserts;
-		} else {
-			return this.test.expected;
-		}
-	},
-
-	// Increment this Test's semaphore counter, then return a function that
-	// decrements that counter a maximum of once.
-	async: function( count ) {
-		var test = this.test,
-			popped = false,
-			acceptCallCount = count;
-
-		if ( typeof acceptCallCount === "undefined" ) {
-			acceptCallCount = 1;
-		}
-
-		test.semaphore += 1;
-		test.usedAsync = true;
-		pauseProcessing();
-
-		return function done() {
-
-			if ( popped ) {
-				test.pushFailure( "Too many calls to the `assert.async` callback",
-					sourceFromStacktrace( 2 ) );
-				return;
-			}
-			acceptCallCount -= 1;
-			if ( acceptCallCount > 0 ) {
-				return;
-			}
-
-			test.semaphore -= 1;
-			popped = true;
-			resumeProcessing();
-		};
-	},
-
-	// Exports test.push() to the user API
-	// Alias of pushResult.
-	push: function( result, actual, expected, message, negative ) {
-		var currentAssert = this instanceof Assert ? this : QUnit.config.current.assert;
-		return currentAssert.pushResult( {
-			result: result,
-			actual: actual,
-			expected: expected,
-			message: message,
-			negative: negative
-		} );
-	},
-
-	pushResult: function( resultInfo ) {
-
-		// resultInfo = { result, actual, expected, message, negative }
-		var assert = this,
-			currentTest = ( assert instanceof Assert && assert.test ) || QUnit.config.current;
-
-		// Backwards compatibility fix.
-		// Allows the direct use of global exported assertions and QUnit.assert.*
-		// Although, it's use is not recommended as it can leak assertions
-		// to other tests from async tests, because we only get a reference to the current test,
-		// not exactly the test where assertion were intended to be called.
-		if ( !currentTest ) {
-			throw new Error( "assertion outside test context, in " + sourceFromStacktrace( 2 ) );
-		}
-
-		if ( currentTest.usedAsync === true && currentTest.semaphore === 0 ) {
-			currentTest.pushFailure( "Assertion after the final `assert.async` was resolved",
-				sourceFromStacktrace( 2 ) );
-
-			// Allow this assertion to continue running anyway...
-		}
-
-		if ( !( assert instanceof Assert ) ) {
-			assert = currentTest.assert;
-		}
-
-		return assert.test.pushResult( resultInfo );
-	},
-
-	ok: function( result, message ) {
-		message = message || ( result ? "okay" : "failed, expected argument to be truthy, was: " +
-			QUnit.dump.parse( result ) );
-		this.pushResult( {
-			result: !!result,
-			actual: result,
-			expected: true,
-			message: message
-		} );
-	},
-
-	notOk: function( result, message ) {
-		message = message || ( !result ? "okay" : "failed, expected argument to be falsy, was: " +
-			QUnit.dump.parse( result ) );
-		this.pushResult( {
-			result: !result,
-			actual: result,
-			expected: false,
-			message: message
-		} );
-	},
-
-	equal: function( actual, expected, message ) {
-		/*jshint eqeqeq:false */
-		this.pushResult( {
-			result: expected == actual,
-			actual: actual,
-			expected: expected,
-			message: message
-		} );
-	},
-
-	notEqual: function( actual, expected, message ) {
-		/*jshint eqeqeq:false */
-		this.pushResult( {
-			result: expected != actual,
-			actual: actual,
-			expected: expected,
-			message: message,
-			negative: true
-		} );
-	},
-
-	propEqual: function( actual, expected, message ) {
-		actual = objectValues( actual );
-		expected = objectValues( expected );
-		this.pushResult( {
-			result: QUnit.equiv( actual, expected ),
-			actual: actual,
-			expected: expected,
-			message: message
-		} );
-	},
-
-	notPropEqual: function( actual, expected, message ) {
-		actual = objectValues( actual );
-		expected = objectValues( expected );
-		this.pushResult( {
-			result: !QUnit.equiv( actual, expected ),
-			actual: actual,
-			expected: expected,
-			message: message,
-			negative: true
-		} );
-	},
-
-	deepEqual: function( actual, expected, message ) {
-		this.pushResult( {
-			result: QUnit.equiv( actual, expected ),
-			actual: actual,
-			expected: expected,
-			message: message
-		} );
-	},
-
-	notDeepEqual: function( actual, expected, message ) {
-		this.pushResult( {
-			result: !QUnit.equiv( actual, expected ),
-			actual: actual,
-			expected: expected,
-			message: message,
-			negative: true
-		} );
-	},
-
-	strictEqual: function( actual, expected, message ) {
-		this.pushResult( {
-			result: expected === actual,
-			actual: actual,
-			expected: expected,
-			message: message
-		} );
-	},
-
-	notStrictEqual: function( actual, expected, message ) {
-		this.pushResult( {
-			result: expected !== actual,
-			actual: actual,
-			expected: expected,
-			message: message,
-			negative: true
-		} );
-	},
-
-	"throws": function( block, expected, message ) {
-		var actual, expectedType,
-			expectedOutput = expected,
-			ok = false,
-			currentTest = ( this instanceof Assert && this.test ) || QUnit.config.current;
-
-		// 'expected' is optional unless doing string comparison
-		if ( message == null && typeof expected === "string" ) {
-			message = expected;
-			expected = null;
-		}
-
-		currentTest.ignoreGlobalErrors = true;
-		try {
-			block.call( currentTest.testEnvironment );
-		} catch (e) {
-			actual = e;
-		}
-		currentTest.ignoreGlobalErrors = false;
-
-		if ( actual ) {
-			expectedType = QUnit.objectType( expected );
-
-			// we don't want to validate thrown error
-			if ( !expected ) {
-				ok = true;
-				expectedOutput = null;
-
-			// expected is a regexp
-			} else if ( expectedType === "regexp" ) {
-				ok = expected.test( errorString( actual ) );
-
-			// expected is a string
-			} else if ( expectedType === "string" ) {
-				ok = expected === errorString( actual );
-
-			// expected is a constructor, maybe an Error constructor
-			} else if ( expectedType === "function" && actual instanceof expected ) {
-				ok = true;
-
-			// expected is an Error object
-			} else if ( expectedType === "object" ) {
-				ok = actual instanceof expected.constructor &&
-					actual.name === expected.name &&
-					actual.message === expected.message;
-
-			// expected is a validation function which returns true if validation passed
-			} else if ( expectedType === "function" && expected.call( {}, actual ) === true ) {
-				expectedOutput = null;
-				ok = true;
-			}
-		}
-
-		currentTest.assert.pushResult( {
-			result: ok,
-			actual: actual,
-			expected: expectedOutput,
-			message: message
-		} );
-	}
-};
-
-// Provide an alternative to assert.throws(), for environments that consider throws a reserved word
-// Known to us are: Closure Compiler, Narwhal
-(function() {
-	/*jshint sub:true */
-	Assert.prototype.raises = Assert.prototype[ "throws" ];
-}());
-
-function errorString( error ) {
-	var name, message,
-		resultErrorString = error.toString();
-	if ( resultErrorString.substring( 0, 7 ) === "[object" ) {
-		name = error.name ? error.name.toString() : "Error";
-		message = error.message ? error.message.toString() : "";
-		if ( name && message ) {
-			return name + ": " + message;
-		} else if ( name ) {
-			return name;
-		} else if ( message ) {
-			return message;
-		} else {
-			return "Error";
-		}
-	} else {
-		return resultErrorString;
-	}
-}
-
-// Test for equality any JavaScript type.
-// Author: Philippe Rathé <prathe@gmail.com>
-QUnit.equiv = (function() {
-
-	// Stack to decide between skip/abort functions
-	var callers = [];
-
-	// Stack to avoiding loops from circular referencing
-	var parents = [];
-	var parentsB = [];
-
-	var getProto = Object.getPrototypeOf || function( obj ) {
-
-		/*jshint proto: true */
-		return obj.__proto__;
-	};
-
-	function useStrictEquality( b, a ) {
-
-		// To catch short annotation VS 'new' annotation of a declaration. e.g.:
-		// `var i = 1;`
-		// `var j = new Number(1);`
-		if ( typeof a === "object" ) {
-			a = a.valueOf();
-		}
-		if ( typeof b === "object" ) {
-			b = b.valueOf();
-		}
-
-		return a === b;
-	}
-
-	function compareConstructors( a, b ) {
-		var protoA = getProto( a );
-		var protoB = getProto( b );
-
-		// Comparing constructors is more strict than using `instanceof`
-		if ( a.constructor === b.constructor ) {
-			return true;
-		}
-
-		// Ref #851
-		// If the obj prototype descends from a null constructor, treat it
-		// as a null prototype.
-		if ( protoA && protoA.constructor === null ) {
-			protoA = null;
-		}
-		if ( protoB && protoB.constructor === null ) {
-			protoB = null;
-		}
-
-		// Allow objects with no prototype to be equivalent to
-		// objects with Object as their constructor.
-		if ( ( protoA === null && protoB === Object.prototype ) ||
-				( protoB === null && protoA === Object.prototype ) ) {
-			return true;
-		}
-
-		return false;
-	}
-
-	function getRegExpFlags( regexp ) {
-		return "flags" in regexp ? regexp.flags : regexp.toString().match( /[gimuy]*$/ )[ 0 ];
-	}
-
-	var callbacks = {
-		"string": useStrictEquality,
-		"boolean": useStrictEquality,
-		"number": useStrictEquality,
-		"null": useStrictEquality,
-		"undefined": useStrictEquality,
-		"symbol": useStrictEquality,
-		"date": useStrictEquality,
-
-		"nan": function() {
-			return true;
-		},
-
-		"regexp": function( b, a ) {
-			return a.source === b.source &&
-
-				// Include flags in the comparison
-				getRegExpFlags( a ) === getRegExpFlags( b );
-		},
-
-		// - skip when the property is a method of an instance (OOP)
-		// - abort otherwise,
-		// initial === would have catch identical references anyway
-		"function": function() {
-			var caller = callers[ callers.length - 1 ];
-			return caller !== Object && typeof caller !== "undefined";
-		},
-
-		"array": function( b, a ) {
-			var i, j, len, loop, aCircular, bCircular;
-
-			len = a.length;
-			if ( len !== b.length ) {
-				// safe and faster
-				return false;
-			}
-
-			// Track reference to avoid circular references
-			parents.push( a );
-			parentsB.push( b );
-			for ( i = 0; i < len; i++ ) {
-				loop = false;
-				for ( j = 0; j < parents.length; j++ ) {
-					aCircular = parents[ j ] === a[ i ];
-					bCircular = parentsB[ j ] === b[ i ];
-					if ( aCircular || bCircular ) {
-						if ( a[ i ] === b[ i ] || aCircular && bCircular ) {
-							loop = true;
-						} else {
-							parents.pop();
-							parentsB.pop();
-							return false;
-						}
-					}
-				}
-				if ( !loop && !innerEquiv( a[ i ], b[ i ] ) ) {
-					parents.pop();
-					parentsB.pop();
-					return false;
-				}
-			}
-			parents.pop();
-			parentsB.pop();
-			return true;
-		},
-
-		"set": function( b, a ) {
-			var aArray, bArray;
-
-			aArray = [];
-			a.forEach( function( v ) {
-				aArray.push( v );
-			});
-			bArray = [];
-			b.forEach( function( v ) {
-				bArray.push( v );
-			});
-
-			return innerEquiv( bArray, aArray );
-		},
-
-		"map": function( b, a ) {
-			var aArray, bArray;
-
-			aArray = [];
-			a.forEach( function( v, k ) {
-				aArray.push( [ k, v ] );
-			});
-			bArray = [];
-			b.forEach( function( v, k ) {
-				bArray.push( [ k, v ] );
-			});
-
-			return innerEquiv( bArray, aArray );
-		},
-
-		"object": function( b, a ) {
-			var i, j, loop, aCircular, bCircular;
-
-			// Default to true
-			var eq = true;
-			var aProperties = [];
-			var bProperties = [];
-
-			if ( compareConstructors( a, b ) === false ) {
-				return false;
-			}
-
-			// Stack constructor before traversing properties
-			callers.push( a.constructor );
-
-			// Track reference to avoid circular references
-			parents.push( a );
-			parentsB.push( b );
-
-			// Be strict: don't ensure hasOwnProperty and go deep
-			for ( i in a ) {
-				loop = false;
-				for ( j = 0; j < parents.length; j++ ) {
-					aCircular = parents[ j ] === a[ i ];
-					bCircular = parentsB[ j ] === b[ i ];
-					if ( aCircular || bCircular ) {
-						if ( a[ i ] === b[ i ] || aCircular && bCircular ) {
-							loop = true;
-						} else {
-							eq = false;
-							break;
-						}
-					}
-				}
-				aProperties.push( i );
-				if ( !loop && !innerEquiv( a[ i ], b[ i ] ) ) {
-					eq = false;
-					break;
-				}
-			}
-
-			parents.pop();
-			parentsB.pop();
-
-			// Unstack, we are done
-			callers.pop();
-
-			for ( i in b ) {
-
-				// Collect b's properties
-				bProperties.push( i );
-			}
-
-			// Ensures identical properties name
-			return eq && innerEquiv( aProperties.sort(), bProperties.sort() );
-		}
-	};
-
-	function typeEquiv( a, b ) {
-		var type = QUnit.objectType( a );
-		return QUnit.objectType( b ) === type && callbacks[ type ]( b, a );
-	}
-
-	// The real equiv function
-	function innerEquiv( a, b ) {
-
-		// We're done when there's nothing more to compare
-		if ( arguments.length < 2 ) {
-			return true;
-		}
-
-		// Require type-specific equality
-		return ( a === b || typeEquiv( a, b ) ) &&
-
-			// ...across all consecutive argument pairs
-			( arguments.length === 2 || innerEquiv.apply( this, [].slice.call( arguments, 1 ) ) );
-	}
-
-	return innerEquiv;
-}());
-
-// Based on jsDump by Ariel Flesler
-// http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html
-QUnit.dump = (function() {
-	function quote( str ) {
-		return "\"" + str.toString().replace( /\\/g, "\\\\" ).replace( /"/g, "\\\"" ) + "\"";
-	}
-	function literal( o ) {
-		return o + "";
-	}
-	function join( pre, arr, post ) {
-		var s = dump.separator(),
-			base = dump.indent(),
-			inner = dump.indent( 1 );
-		if ( arr.join ) {
-			arr = arr.join( "," + s + inner );
-		}
-		if ( !arr ) {
-			return pre + post;
-		}
-		return [ pre, inner + arr, base + post ].join( s );
-	}
-	function array( arr, stack ) {
-		var i = arr.length,
-			ret = new Array( i );
-
-		if ( dump.maxDepth && dump.depth > dump.maxDepth ) {
-			return "[object Array]";
-		}
-
-		this.up();
-		while ( i-- ) {
-			ret[ i ] = this.parse( arr[ i ], undefined, stack );
-		}
-		this.down();
-		return join( "[", ret, "]" );
-	}
-
-	var reName = /^function (\w+)/,
-		dump = {
-
-			// objType is used mostly internally, you can fix a (custom) type in advance
-			parse: function( obj, objType, stack ) {
-				stack = stack || [];
-				var res, parser, parserType,
-					inStack = inArray( obj, stack );
-
-				if ( inStack !== -1 ) {
-					return "recursion(" + ( inStack - stack.length ) + ")";
-				}
-
-				objType = objType || this.typeOf( obj  );
-				parser = this.parsers[ objType ];
-				parserType = typeof parser;
-
-				if ( parserType === "function" ) {
-					stack.push( obj );
-					res = parser.call( this, obj, stack );
-					stack.pop();
-					return res;
-				}
-				return ( parserType === "string" ) ? parser : this.parsers.error;
-			},
-			typeOf: function( obj ) {
-				var type;
-				if ( obj === null ) {
-					type = "null";
-				} else if ( typeof obj === "undefined" ) {
-					type = "undefined";
-				} else if ( QUnit.is( "regexp", obj ) ) {
-					type = "regexp";
-				} else if ( QUnit.is( "date", obj ) ) {
-					type = "date";
-				} else if ( QUnit.is( "function", obj ) ) {
-					type = "function";
-				} else if ( obj.setInterval !== undefined &&
-						obj.document !== undefined &&
-						obj.nodeType === undefined ) {
-					type = "window";
-				} else if ( obj.nodeType === 9 ) {
-					type = "document";
-				} else if ( obj.nodeType ) {
-					type = "node";
-				} else if (
-
-					// native arrays
-					toString.call( obj ) === "[object Array]" ||
-
-					// NodeList objects
-					( typeof obj.length === "number" && obj.item !== undefined &&
-					( obj.length ? obj.item( 0 ) === obj[ 0 ] : ( obj.item( 0 ) === null &&
-					obj[ 0 ] === undefined ) ) )
-				) {
-					type = "array";
-				} else if ( obj.constructor === Error.prototype.constructor ) {
-					type = "error";
-				} else {
-					type = typeof obj;
-				}
-				return type;
-			},
-			separator: function() {
-				return this.multiline ? this.HTML ? "<br />" : "\n" : this.HTML ? "&#160;" : " ";
-			},
-			// extra can be a number, shortcut for increasing-calling-decreasing
-			indent: function( extra ) {
-				if ( !this.multiline ) {
-					return "";
-				}
-				var chr = this.indentChar;
-				if ( this.HTML ) {
-					chr = chr.replace( /\t/g, "   " ).replace( / /g, "&#160;" );
-				}
-				return new Array( this.depth + ( extra || 0 ) ).join( chr );
-			},
-			up: function( a ) {
-				this.depth += a || 1;
-			},
-			down: function( a ) {
-				this.depth -= a || 1;
-			},
-			setParser: function( name, parser ) {
-				this.parsers[ name ] = parser;
-			},
-			// The next 3 are exposed so you can use them
-			quote: quote,
-			literal: literal,
-			join: join,
-			//
-			depth: 1,
-			maxDepth: QUnit.config.maxDepth,
-
-			// This is the list of parsers, to modify them, use dump.setParser
-			parsers: {
-				window: "[Window]",
-				document: "[Document]",
-				error: function( error ) {
-					return "Error(\"" + error.message + "\")";
-				},
-				unknown: "[Unknown]",
-				"null": "null",
-				"undefined": "undefined",
-				"function": function( fn ) {
-					var ret = "function",
-
-						// functions never have name in IE
-						name = "name" in fn ? fn.name : ( reName.exec( fn ) || [] )[ 1 ];
-
-					if ( name ) {
-						ret += " " + name;
-					}
-					ret += "( ";
-
-					ret = [ ret, dump.parse( fn, "functionArgs" ), "){" ].join( "" );
-					return join( ret, dump.parse( fn, "functionCode" ), "}" );
-				},
-				array: array,
-				nodelist: array,
-				"arguments": array,
-				object: function( map, stack ) {
-					var keys, key, val, i, nonEnumerableProperties,
-						ret = [];
-
-					if ( dump.maxDepth && dump.depth > dump.maxDepth ) {
-						return "[object Object]";
-					}
-
-					dump.up();
-					keys = [];
-					for ( key in map ) {
-						keys.push( key );
-					}
-
-					// Some properties are not always enumerable on Error objects.
-					nonEnumerableProperties = [ "message", "name" ];
-					for ( i in nonEnumerableProperties ) {
-						key = nonEnumerableProperties[ i ];
-						if ( key in map && inArray( key, keys ) < 0 ) {
-							keys.push( key );
-						}
-					}
-					keys.sort();
-					for ( i = 0; i < keys.length; i++ ) {
-						key = keys[ i ];
-						val = map[ key ];
-						ret.push( dump.parse( key, "key" ) + ": " +
-							dump.parse( val, undefined, stack ) );
-					}
-					dump.down();
-					return join( "{", ret, "}" );
-				},
-				node: function( node ) {
-					var len, i, val,
-						open = dump.HTML ? "&lt;" : "<",
-						close = dump.HTML ? "&gt;" : ">",
-						tag = node.nodeName.toLowerCase(),
-						ret = open + tag,
-						attrs = node.attributes;
-
-					if ( attrs ) {
-						for ( i = 0, len = attrs.length; i < len; i++ ) {
-							val = attrs[ i ].nodeValue;
-
-							// IE6 includes all attributes in .attributes, even ones not explicitly
-							// set. Those have values like undefined, null, 0, false, "" or
-							// "inherit".
-							if ( val && val !== "inherit" ) {
-								ret += " " + attrs[ i ].nodeName + "=" +
-									dump.parse( val, "attribute" );
-							}
-						}
-					}
-					ret += close;
-
-					// Show content of TextNode or CDATASection
-					if ( node.nodeType === 3 || node.nodeType === 4 ) {
-						ret += node.nodeValue;
-					}
-
-					return ret + open + "/" + tag + close;
-				},
-
-				// function calls it internally, it's the arguments part of the function
-				functionArgs: function( fn ) {
-					var args,
-						l = fn.length;
-
-					if ( !l ) {
-						return "";
-					}
-
-					args = new Array( l );
-					while ( l-- ) {
-
-						// 97 is 'a'
-						args[ l ] = String.fromCharCode( 97 + l );
-					}
-					return " " + args.join( ", " ) + " ";
-				},
-				// object calls it internally, the key part of an item in a map
-				key: quote,
-				// function calls it internally, it's the content of the function
-				functionCode: "[code]",
-				// node calls it internally, it's a html attribute value
-				attribute: quote,
-				string: quote,
-				date: quote,
-				regexp: literal,
-				number: literal,
-				"boolean": literal
-			},
-			// if true, entities are escaped ( <, >, \t, space and \n )
-			HTML: false,
-			// indentation unit
-			indentChar: "  ",
-			// if true, items in a collection, are separated by a \n, else just a space.
-			multiline: true
-		};
-
-	return dump;
-}());
-
-// back compat
-QUnit.jsDump = QUnit.dump;
-
-// Deprecated
-// Extend assert methods to QUnit for Backwards compatibility
-(function() {
-	var i,
-		assertions = Assert.prototype;
-
-	function applyCurrent( current ) {
-		return function() {
-			var assert = new Assert( QUnit.config.current );
-			current.apply( assert, arguments );
-		};
-	}
-
-	for ( i in assertions ) {
-		QUnit[ i ] = applyCurrent( assertions[ i ] );
-	}
-})();
-
-// For browser, export only select globals
-if ( defined.document ) {
-
-	(function() {
-		var i, l,
-			keys = [
-				"test",
-				"module",
-				"expect",
-				"asyncTest",
-				"start",
-				"stop",
-				"ok",
-				"notOk",
-				"equal",
-				"notEqual",
-				"propEqual",
-				"notPropEqual",
-				"deepEqual",
-				"notDeepEqual",
-				"strictEqual",
-				"notStrictEqual",
-				"throws",
-				"raises"
-			];
-
-		for ( i = 0, l = keys.length; i < l; i++ ) {
-			window[ keys[ i ] ] = QUnit[ keys[ i ] ];
-		}
-	})();
-
-	window.QUnit = QUnit;
-}
-
-// For nodejs
-if ( typeof module !== "undefined" && module && module.exports ) {
-	module.exports = QUnit;
-
-	// For consistency with CommonJS environments' exports
-	module.exports.QUnit = QUnit;
-}
-
-// For CommonJS with exports, but without module.exports, like Rhino
-if ( typeof exports !== "undefined" && exports ) {
-	exports.QUnit = QUnit;
-}
-
-if ( typeof define === "function" && define.amd ) {
-	define( function() {
-		return QUnit;
-	} );
-	QUnit.config.autostart = false;
-}
-
-/*
- * This file is a modified version of google-diff-match-patch's JavaScript implementation
- * (https://code.google.com/p/google-diff-match-patch/source/browse/trunk/javascript/diff_match_patch_uncompressed.js),
- * modifications are licensed as more fully set forth in LICENSE.txt.
- *
- * The original source of google-diff-match-patch is attributable and licensed as follows:
- *
- * Copyright 2006 Google Inc.
- * https://code.google.com/p/google-diff-match-patch/
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * More Info:
- *  https://code.google.com/p/google-diff-match-patch/
- *
- * Usage: QUnit.diff(expected, actual)
- *
- */
-QUnit.diff = ( function() {
-	function DiffMatchPatch() {
-	}
-
-	//  DIFF FUNCTIONS
-
-	/**
-	 * The data structure representing a diff is an array of tuples:
-	 * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]
-	 * which means: delete 'Hello', add 'Goodbye' and keep ' world.'
-	 */
-	var DIFF_DELETE = -1,
-		DIFF_INSERT = 1,
-		DIFF_EQUAL = 0;
-
-	/**
-	 * Find the differences between two texts.  Simplifies the problem by stripping
-	 * any common prefix or suffix off the texts before diffing.
-	 * @param {string} text1 Old string to be diffed.
-	 * @param {string} text2 New string to be diffed.
-	 * @param {boolean=} optChecklines Optional speedup flag. If present and false,
-	 *     then don't run a line-level diff first to identify the changed areas.
-	 *     Defaults to true, which does a faster, slightly less optimal diff.
-	 * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-	 */
-	DiffMatchPatch.prototype.DiffMain = function( text1, text2, optChecklines ) {
-		var deadline, checklines, commonlength,
-			commonprefix, commonsuffix, diffs;
-
-		// The diff must be complete in up to 1 second.
-		deadline = ( new Date() ).getTime() + 1000;
-
-		// Check for null inputs.
-		if ( text1 === null || text2 === null ) {
-			throw new Error( "Null input. (DiffMain)" );
-		}
-
-		// Check for equality (speedup).
-		if ( text1 === text2 ) {
-			if ( text1 ) {
-				return [
-					[ DIFF_EQUAL, text1 ]
-				];
-			}
-			return [];
-		}
-
-		if ( typeof optChecklines === "undefined" ) {
-			optChecklines = true;
-		}
-
-		checklines = optChecklines;
-
-		// Trim off common prefix (speedup).
-		commonlength = this.diffCommonPrefix( text1, text2 );
-		commonprefix = text1.substring( 0, commonlength );
-		text1 = text1.substring( commonlength );
-		text2 = text2.substring( commonlength );
-
-		// Trim off common suffix (speedup).
-		commonlength = this.diffCommonSuffix( text1, text2 );
-		commonsuffix = text1.substring( text1.length - commonlength );
-		text1 = text1.substring( 0, text1.length - commonlength );
-		text2 = text2.substring( 0, text2.length - commonlength );
-
-		// Compute the diff on the middle block.
-		diffs = this.diffCompute( text1, text2, checklines, deadline );
-
-		// Restore the prefix and suffix.
-		if ( commonprefix ) {
-			diffs.unshift( [ DIFF_EQUAL, commonprefix ] );
-		}
-		if ( commonsuffix ) {
-			diffs.push( [ DIFF_EQUAL, commonsuffix ] );
-		}
-		this.diffCleanupMerge( diffs );
-		return diffs;
-	};
-
-	/**
-	 * Reduce the number of edits by eliminating operationally trivial equalities.
-	 * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-	 */
-	DiffMatchPatch.prototype.diffCleanupEfficiency = function( diffs ) {
-		var changes, equalities, equalitiesLength, lastequality,
-			pointer, preIns, preDel, postIns, postDel;
-		changes = false;
-		equalities = []; // Stack of indices where equalities are found.
-		equalitiesLength = 0; // Keeping our own length var is faster in JS.
-		/** @type {?string} */
-		lastequality = null;
-		// Always equal to diffs[equalities[equalitiesLength - 1]][1]
-		pointer = 0; // Index of current position.
-		// Is there an insertion operation before the last equality.
-		preIns = false;
-		// Is there a deletion operation before the last equality.
-		preDel = false;
-		// Is there an insertion operation after the last equality.
-		postIns = false;
-		// Is there a deletion operation after the last equality.
-		postDel = false;
-		while ( pointer < diffs.length ) {
-
-			// Equality found.
-			if ( diffs[ pointer ][ 0 ] === DIFF_EQUAL ) {
-				if ( diffs[ pointer ][ 1 ].length < 4 && ( postIns || postDel ) ) {
-
-					// Candidate found.
-					equalities[ equalitiesLength++ ] = pointer;
-					preIns = postIns;
-					preDel = postDel;
-					lastequality = diffs[ pointer ][ 1 ];
-				} else {
-
-					// Not a candidate, and can never become one.
-					equalitiesLength = 0;
-					lastequality = null;
-				}
-				postIns = postDel = false;
-
-			// An insertion or deletion.
-			} else {
-
-				if ( diffs[ pointer ][ 0 ] === DIFF_DELETE ) {
-					postDel = true;
-				} else {
-					postIns = true;
-				}
-
-				/*
-				 * Five types to be split:
-				 * <ins>A</ins><del>B</del>XY<ins>C</ins><del>D</del>
-				 * <ins>A</ins>X<ins>C</ins><del>D</del>
-				 * <ins>A</ins><del>B</del>X<ins>C</ins>
-				 * <ins>A</del>X<ins>C</ins><del>D</del>
-				 * <ins>A</ins><del>B</del>X<del>C</del>
-				 */
-				if ( lastequality && ( ( preIns && preDel && postIns && postDel ) ||
-						( ( lastequality.length < 2 ) &&
-						( preIns + preDel + postIns + postDel ) === 3 ) ) ) {
-
-					// Duplicate record.
-					diffs.splice(
-						equalities[ equalitiesLength - 1 ],
-						0,
-						[ DIFF_DELETE, lastequality ]
-					);
-
-					// Change second copy to insert.
-					diffs[ equalities[ equalitiesLength - 1 ] + 1 ][ 0 ] = DIFF_INSERT;
-					equalitiesLength--; // Throw away the equality we just deleted;
-					lastequality = null;
-					if ( preIns && preDel ) {
-						// No changes made which could affect previous entry, keep going.
-						postIns = postDel = true;
-						equalitiesLength = 0;
-					} else {
-						equalitiesLength--; // Throw away the previous equality.
-						pointer = equalitiesLength > 0 ? equalities[ equalitiesLength - 1 ] : -1;
-						postIns = postDel = false;
-					}
-					changes = true;
-				}
-			}
-			pointer++;
-		}
-
-		if ( changes ) {
-			this.diffCleanupMerge( diffs );
-		}
-	};
-
-	/**
-	 * Convert a diff array into a pretty HTML report.
-	 * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-	 * @param {integer} string to be beautified.
-	 * @return {string} HTML representation.
-	 */
-	DiffMatchPatch.prototype.diffPrettyHtml = function( diffs ) {
-		var op, data, x,
-			html = [];
-		for ( x = 0; x < diffs.length; x++ ) {
-			op = diffs[ x ][ 0 ]; // Operation (insert, delete, equal)
-			data = diffs[ x ][ 1 ]; // Text of change.
-			switch ( op ) {
-			case DIFF_INSERT:
-				html[ x ] = "<ins>" + data + "</ins>";
-				break;
-			case DIFF_DELETE:
-				html[ x ] = "<del>" + data + "</del>";
-				break;
-			case DIFF_EQUAL:
-				html[ x ] = "<span>" + data + "</span>";
-				break;
-			}
-		}
-		return html.join( "" );
-	};
-
-	/**
-	 * Determine the common prefix of two strings.
-	 * @param {string} text1 First string.
-	 * @param {string} text2 Second string.
-	 * @return {number} The number of characters common to the start of each
-	 *     string.
-	 */
-	DiffMatchPatch.prototype.diffCommonPrefix = function( text1, text2 ) {
-		var pointermid, pointermax, pointermin, pointerstart;
-		// Quick check for common null cases.
-		if ( !text1 || !text2 || text1.charAt( 0 ) !== text2.charAt( 0 ) ) {
-			return 0;
-		}
-		// Binary search.
-		// Performance analysis: https://neil.fraser.name/news/2007/10/09/
-		pointermin = 0;
-		pointermax = Math.min( text1.length, text2.length );
-		pointermid = pointermax;
-		pointerstart = 0;
-		while ( pointermin < pointermid ) {
-			if ( text1.substring( pointerstart, pointermid ) ===
-					text2.substring( pointerstart, pointermid ) ) {
-				pointermin = pointermid;
-				pointerstart = pointermin;
-			} else {
-				pointermax = pointermid;
-			}
-			pointermid = Math.floor( ( pointermax - pointermin ) / 2 + pointermin );
-		}
-		return pointermid;
-	};
-
-	/**
-	 * Determine the common suffix of two strings.
-	 * @param {string} text1 First string.
-	 * @param {string} text2 Second string.
-	 * @return {number} The number of characters common to the end of each string.
-	 */
-	DiffMatchPatch.prototype.diffCommonSuffix = function( text1, text2 ) {
-		var pointermid, pointermax, pointermin, pointerend;
-		// Quick check for common null cases.
-		if ( !text1 ||
-				!text2 ||
-				text1.charAt( text1.length - 1 ) !== text2.charAt( text2.length - 1 ) ) {
-			return 0;
-		}
-		// Binary search.
-		// Performance analysis: https://neil.fraser.name/news/2007/10/09/
-		pointermin = 0;
-		pointermax = Math.min( text1.length, text2.length );
-		pointermid = pointermax;
-		pointerend = 0;
-		while ( pointermin < pointermid ) {
-			if ( text1.substring( text1.length - pointermid, text1.length - pointerend ) ===
-					text2.substring( text2.length - pointermid, text2.length - pointerend ) ) {
-				pointermin = pointermid;
-				pointerend = pointermin;
-			} else {
-				pointermax = pointermid;
-			}
-			pointermid = Math.floor( ( pointermax - pointermin ) / 2 + pointermin );
-		}
-		return pointermid;
-	};
-
-	/**
-	 * Find the differences between two texts.  Assumes that the texts do not
-	 * have any common prefix or suffix.
-	 * @param {string} text1 Old string to be diffed.
-	 * @param {string} text2 New string to be diffed.
-	 * @param {boolean} checklines Speedup flag.  If false, then don't run a
-	 *     line-level diff first to identify the changed areas.
-	 *     If true, then run a faster, slightly less optimal diff.
-	 * @param {number} deadline Time when the diff should be complete by.
-	 * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffCompute = function( text1, text2, checklines, deadline ) {
-		var diffs, longtext, shorttext, i, hm,
-			text1A, text2A, text1B, text2B,
-			midCommon, diffsA, diffsB;
-
-		if ( !text1 ) {
-			// Just add some text (speedup).
-			return [
-				[ DIFF_INSERT, text2 ]
-			];
-		}
-
-		if ( !text2 ) {
-			// Just delete some text (speedup).
-			return [
-				[ DIFF_DELETE, text1 ]
-			];
-		}
-
-		longtext = text1.length > text2.length ? text1 : text2;
-		shorttext = text1.length > text2.length ? text2 : text1;
-		i = longtext.indexOf( shorttext );
-		if ( i !== -1 ) {
-			// Shorter text is inside the longer text (speedup).
-			diffs = [
-				[ DIFF_INSERT, longtext.substring( 0, i ) ],
-				[ DIFF_EQUAL, shorttext ],
-				[ DIFF_INSERT, longtext.substring( i + shorttext.length ) ]
-			];
-			// Swap insertions for deletions if diff is reversed.
-			if ( text1.length > text2.length ) {
-				diffs[ 0 ][ 0 ] = diffs[ 2 ][ 0 ] = DIFF_DELETE;
-			}
-			return diffs;
-		}
-
-		if ( shorttext.length === 1 ) {
-			// Single character string.
-			// After the previous speedup, the character can't be an equality.
-			return [
-				[ DIFF_DELETE, text1 ],
-				[ DIFF_INSERT, text2 ]
-			];
-		}
-
-		// Check to see if the problem can be split in two.
-		hm = this.diffHalfMatch( text1, text2 );
-		if ( hm ) {
-			// A half-match was found, sort out the return data.
-			text1A = hm[ 0 ];
-			text1B = hm[ 1 ];
-			text2A = hm[ 2 ];
-			text2B = hm[ 3 ];
-			midCommon = hm[ 4 ];
-			// Send both pairs off for separate processing.
-			diffsA = this.DiffMain( text1A, text2A, checklines, deadline );
-			diffsB = this.DiffMain( text1B, text2B, checklines, deadline );
-			// Merge the results.
-			return diffsA.concat( [
-				[ DIFF_EQUAL, midCommon ]
-			], diffsB );
-		}
-
-		if ( checklines && text1.length > 100 && text2.length > 100 ) {
-			return this.diffLineMode( text1, text2, deadline );
-		}
-
-		return this.diffBisect( text1, text2, deadline );
-	};
-
-	/**
-	 * Do the two texts share a substring which is at least half the length of the
-	 * longer text?
-	 * This speedup can produce non-minimal diffs.
-	 * @param {string} text1 First string.
-	 * @param {string} text2 Second string.
-	 * @return {Array.<string>} Five element Array, containing the prefix of
-	 *     text1, the suffix of text1, the prefix of text2, the suffix of
-	 *     text2 and the common middle.  Or null if there was no match.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffHalfMatch = function( text1, text2 ) {
-		var longtext, shorttext, dmp,
-			text1A, text2B, text2A, text1B, midCommon,
-			hm1, hm2, hm;
-
-		longtext = text1.length > text2.length ? text1 : text2;
-		shorttext = text1.length > text2.length ? text2 : text1;
-		if ( longtext.length < 4 || shorttext.length * 2 < longtext.length ) {
-			return null; // Pointless.
-		}
-		dmp = this; // 'this' becomes 'window' in a closure.
-
-		/**
-		 * Does a substring of shorttext exist within longtext such that the substring
-		 * is at least half the length of longtext?
-		 * Closure, but does not reference any external variables.
-		 * @param {string} longtext Longer string.
-		 * @param {string} shorttext Shorter string.
-		 * @param {number} i Start index of quarter length substring within longtext.
-		 * @return {Array.<string>} Five element Array, containing the prefix of
-		 *     longtext, the suffix of longtext, the prefix of shorttext, the suffix
-		 *     of shorttext and the common middle.  Or null if there was no match.
-		 * @private
-		 */
-		function diffHalfMatchI( longtext, shorttext, i ) {
-			var seed, j, bestCommon, prefixLength, suffixLength,
-				bestLongtextA, bestLongtextB, bestShorttextA, bestShorttextB;
-			// Start with a 1/4 length substring at position i as a seed.
-			seed = longtext.substring( i, i + Math.floor( longtext.length / 4 ) );
-			j = -1;
-			bestCommon = "";
-			while ( ( j = shorttext.indexOf( seed, j + 1 ) ) !== -1 ) {
-				prefixLength = dmp.diffCommonPrefix( longtext.substring( i ),
-					shorttext.substring( j ) );
-				suffixLength = dmp.diffCommonSuffix( longtext.substring( 0, i ),
-					shorttext.substring( 0, j ) );
-				if ( bestCommon.length < suffixLength + prefixLength ) {
-					bestCommon = shorttext.substring( j - suffixLength, j ) +
-						shorttext.substring( j, j + prefixLength );
-					bestLongtextA = longtext.substring( 0, i - suffixLength );
-					bestLongtextB = longtext.substring( i + prefixLength );
-					bestShorttextA = shorttext.substring( 0, j - suffixLength );
-					bestShorttextB = shorttext.substring( j + prefixLength );
-				}
-			}
-			if ( bestCommon.length * 2 >= longtext.length ) {
-				return [ bestLongtextA, bestLongtextB,
-					bestShorttextA, bestShorttextB, bestCommon
-				];
-			} else {
-				return null;
-			}
-		}
-
-		// First check if the second quarter is the seed for a half-match.
-		hm1 = diffHalfMatchI( longtext, shorttext,
-			Math.ceil( longtext.length / 4 ) );
-		// Check again based on the third quarter.
-		hm2 = diffHalfMatchI( longtext, shorttext,
-			Math.ceil( longtext.length / 2 ) );
-		if ( !hm1 && !hm2 ) {
-			return null;
-		} else if ( !hm2 ) {
-			hm = hm1;
-		} else if ( !hm1 ) {
-			hm = hm2;
-		} else {
-			// Both matched.  Select the longest.
-			hm = hm1[ 4 ].length > hm2[ 4 ].length ? hm1 : hm2;
-		}
-
-		// A half-match was found, sort out the return data.
-		text1A, text1B, text2A, text2B;
-		if ( text1.length > text2.length ) {
-			text1A = hm[ 0 ];
-			text1B = hm[ 1 ];
-			text2A = hm[ 2 ];
-			text2B = hm[ 3 ];
-		} else {
-			text2A = hm[ 0 ];
-			text2B = hm[ 1 ];
-			text1A = hm[ 2 ];
-			text1B = hm[ 3 ];
-		}
-		midCommon = hm[ 4 ];
-		return [ text1A, text1B, text2A, text2B, midCommon ];
-	};
-
-	/**
-	 * Do a quick line-level diff on both strings, then rediff the parts for
-	 * greater accuracy.
-	 * This speedup can produce non-minimal diffs.
-	 * @param {string} text1 Old string to be diffed.
-	 * @param {string} text2 New string to be diffed.
-	 * @param {number} deadline Time when the diff should be complete by.
-	 * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffLineMode = function( text1, text2, deadline ) {
-		var a, diffs, linearray, pointer, countInsert,
-			countDelete, textInsert, textDelete, j;
-		// Scan the text on a line-by-line basis first.
-		a = this.diffLinesToChars( text1, text2 );
-		text1 = a.chars1;
-		text2 = a.chars2;
-		linearray = a.lineArray;
-
-		diffs = this.DiffMain( text1, text2, false, deadline );
-
-		// Convert the diff back to original text.
-		this.diffCharsToLines( diffs, linearray );
-		// Eliminate freak matches (e.g. blank lines)
-		this.diffCleanupSemantic( diffs );
-
-		// Rediff any replacement blocks, this time character-by-character.
-		// Add a dummy entry at the end.
-		diffs.push( [ DIFF_EQUAL, "" ] );
-		pointer = 0;
-		countDelete = 0;
-		countInsert = 0;
-		textDelete = "";
-		textInsert = "";
-		while ( pointer < diffs.length ) {
-			switch ( diffs[ pointer ][ 0 ] ) {
-			case DIFF_INSERT:
-				countInsert++;
-				textInsert += diffs[ pointer ][ 1 ];
-				break;
-			case DIFF_DELETE:
-				countDelete++;
-				textDelete += diffs[ pointer ][ 1 ];
-				break;
-			case DIFF_EQUAL:
-				// Upon reaching an equality, check for prior redundancies.
-				if ( countDelete >= 1 && countInsert >= 1 ) {
-					// Delete the offending records and add the merged ones.
-					diffs.splice( pointer - countDelete - countInsert,
-						countDelete + countInsert );
-					pointer = pointer - countDelete - countInsert;
-					a = this.DiffMain( textDelete, textInsert, false, deadline );
-					for ( j = a.length - 1; j >= 0; j-- ) {
-						diffs.splice( pointer, 0, a[ j ] );
-					}
-					pointer = pointer + a.length;
-				}
-				countInsert = 0;
-				countDelete = 0;
-				textDelete = "";
-				textInsert = "";
-				break;
-			}
-			pointer++;
-		}
-		diffs.pop(); // Remove the dummy entry at the end.
-
-		return diffs;
-	};
-
-	/**
-	 * Find the 'middle snake' of a diff, split the problem in two
-	 * and return the recursively constructed diff.
-	 * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.
-	 * @param {string} text1 Old string to be diffed.
-	 * @param {string} text2 New string to be diffed.
-	 * @param {number} deadline Time at which to bail if not yet complete.
-	 * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffBisect = function( text1, text2, deadline ) {
-		var text1Length, text2Length, maxD, vOffset, vLength,
-			v1, v2, x, delta, front, k1start, k1end, k2start,
-			k2end, k2Offset, k1Offset, x1, x2, y1, y2, d, k1, k2;
-		// Cache the text lengths to prevent multiple calls.
-		text1Length = text1.length;
-		text2Length = text2.length;
-		maxD = Math.ceil( ( text1Length + text2Length ) / 2 );
-		vOffset = maxD;
-		vLength = 2 * maxD;
-		v1 = new Array( vLength );
-		v2 = new Array( vLength );
-		// Setting all elements to -1 is faster in Chrome & Firefox than mixing
-		// integers and undefined.
-		for ( x = 0; x < vLength; x++ ) {
-			v1[ x ] = -1;
-			v2[ x ] = -1;
-		}
-		v1[ vOffset + 1 ] = 0;
-		v2[ vOffset + 1 ] = 0;
-		delta = text1Length - text2Length;
-		// If the total number of characters is odd, then the front path will collide
-		// with the reverse path.
-		front = ( delta % 2 !== 0 );
-		// Offsets for start and end of k loop.
-		// Prevents mapping of space beyond the grid.
-		k1start = 0;
-		k1end = 0;
-		k2start = 0;
-		k2end = 0;
-		for ( d = 0; d < maxD; d++ ) {
-			// Bail out if deadline is reached.
-			if ( ( new Date() ).getTime() > deadline ) {
-				break;
-			}
-
-			// Walk the front path one step.
-			for ( k1 = -d + k1start; k1 <= d - k1end; k1 += 2 ) {
-				k1Offset = vOffset + k1;
-				if ( k1 === -d || ( k1 !== d && v1[ k1Offset - 1 ] < v1[ k1Offset + 1 ] ) ) {
-					x1 = v1[ k1Offset + 1 ];
-				} else {
-					x1 = v1[ k1Offset - 1 ] + 1;
-				}
-				y1 = x1 - k1;
-				while ( x1 < text1Length && y1 < text2Length &&
-					text1.charAt( x1 ) === text2.charAt( y1 ) ) {
-					x1++;
-					y1++;
-				}
-				v1[ k1Offset ] = x1;
-				if ( x1 > text1Length ) {
-					// Ran off the right of the graph.
-					k1end += 2;
-				} else if ( y1 > text2Length ) {
-					// Ran off the bottom of the graph.
-					k1start += 2;
-				} else if ( front ) {
-					k2Offset = vOffset + delta - k1;
-					if ( k2Offset >= 0 && k2Offset < vLength && v2[ k2Offset ] !== -1 ) {
-						// Mirror x2 onto top-left coordinate system.
-						x2 = text1Length - v2[ k2Offset ];
-						if ( x1 >= x2 ) {
-							// Overlap detected.
-							return this.diffBisectSplit( text1, text2, x1, y1, deadline );
-						}
-					}
-				}
-			}
-
-			// Walk the reverse path one step.
-			for ( k2 = -d + k2start; k2 <= d - k2end; k2 += 2 ) {
-				k2Offset = vOffset + k2;
-				if ( k2 === -d || ( k2 !== d && v2[ k2Offset - 1 ] < v2[ k2Offset + 1 ] ) ) {
-					x2 = v2[ k2Offset + 1 ];
-				} else {
-					x2 = v2[ k2Offset - 1 ] + 1;
-				}
-				y2 = x2 - k2;
-				while ( x2 < text1Length && y2 < text2Length &&
-					text1.charAt( text1Length - x2 - 1 ) ===
-					text2.charAt( text2Length - y2 - 1 ) ) {
-					x2++;
-					y2++;
-				}
-				v2[ k2Offset ] = x2;
-				if ( x2 > text1Length ) {
-					// Ran off the left of the graph.
-					k2end += 2;
-				} else if ( y2 > text2Length ) {
-					// Ran off the top of the graph.
-					k2start += 2;
-				} else if ( !front ) {
-					k1Offset = vOffset + delta - k2;
-					if ( k1Offset >= 0 && k1Offset < vLength && v1[ k1Offset ] !== -1 ) {
-						x1 = v1[ k1Offset ];
-						y1 = vOffset + x1 - k1Offset;
-						// Mirror x2 onto top-left coordinate system.
-						x2 = text1Length - x2;
-						if ( x1 >= x2 ) {
-							// Overlap detected.
-							return this.diffBisectSplit( text1, text2, x1, y1, deadline );
-						}
-					}
-				}
-			}
-		}
-		// Diff took too long and hit the deadline or
-		// number of diffs equals number of characters, no commonality at all.
-		return [
-			[ DIFF_DELETE, text1 ],
-			[ DIFF_INSERT, text2 ]
-		];
-	};
-
-	/**
-	 * Given the location of the 'middle snake', split the diff in two parts
-	 * and recurse.
-	 * @param {string} text1 Old string to be diffed.
-	 * @param {string} text2 New string to be diffed.
-	 * @param {number} x Index of split point in text1.
-	 * @param {number} y Index of split point in text2.
-	 * @param {number} deadline Time at which to bail if not yet complete.
-	 * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffBisectSplit = function( text1, text2, x, y, deadline ) {
-		var text1a, text1b, text2a, text2b, diffs, diffsb;
-		text1a = text1.substring( 0, x );
-		text2a = text2.substring( 0, y );
-		text1b = text1.substring( x );
-		text2b = text2.substring( y );
-
-		// Compute both diffs serially.
-		diffs = this.DiffMain( text1a, text2a, false, deadline );
-		diffsb = this.DiffMain( text1b, text2b, false, deadline );
-
-		return diffs.concat( diffsb );
-	};
-
-	/**
-	 * Reduce the number of edits by eliminating semantically trivial equalities.
-	 * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-	 */
-	DiffMatchPatch.prototype.diffCleanupSemantic = function( diffs ) {
-		var changes, equalities, equalitiesLength, lastequality,
-			pointer, lengthInsertions2, lengthDeletions2, lengthInsertions1,
-			lengthDeletions1, deletion, insertion, overlapLength1, overlapLength2;
-		changes = false;
-		equalities = []; // Stack of indices where equalities are found.
-		equalitiesLength = 0; // Keeping our own length var is faster in JS.
-		/** @type {?string} */
-		lastequality = null;
-		// Always equal to diffs[equalities[equalitiesLength - 1]][1]
-		pointer = 0; // Index of current position.
-		// Number of characters that changed prior to the equality.
-		lengthInsertions1 = 0;
-		lengthDeletions1 = 0;
-		// Number of characters that changed after the equality.
-		lengthInsertions2 = 0;
-		lengthDeletions2 = 0;
-		while ( pointer < diffs.length ) {
-			if ( diffs[ pointer ][ 0 ] === DIFF_EQUAL ) { // Equality found.
-				equalities[ equalitiesLength++ ] = pointer;
-				lengthInsertions1 = lengthInsertions2;
-				lengthDeletions1 = lengthDeletions2;
-				lengthInsertions2 = 0;
-				lengthDeletions2 = 0;
-				lastequality = diffs[ pointer ][ 1 ];
-			} else { // An insertion or deletion.
-				if ( diffs[ pointer ][ 0 ] === DIFF_INSERT ) {
-					lengthInsertions2 += diffs[ pointer ][ 1 ].length;
-				} else {
-					lengthDeletions2 += diffs[ pointer ][ 1 ].length;
-				}
-				// Eliminate an equality that is smaller or equal to the edits on both
-				// sides of it.
-				if ( lastequality && ( lastequality.length <=
-						Math.max( lengthInsertions1, lengthDeletions1 ) ) &&
-						( lastequality.length <= Math.max( lengthInsertions2,
-							lengthDeletions2 ) ) ) {
-
-					// Duplicate record.
-					diffs.splice(
-						equalities[ equalitiesLength - 1 ],
-						0,
-						[ DIFF_DELETE, lastequality ]
-					);
-
-					// Change second copy to insert.
-					diffs[ equalities[ equalitiesLength - 1 ] + 1 ][ 0 ] = DIFF_INSERT;
-
-					// Throw away the equality we just deleted.
-					equalitiesLength--;
-
-					// Throw away the previous equality (it needs to be reevaluated).
-					equalitiesLength--;
-					pointer = equalitiesLength > 0 ? equalities[ equalitiesLength - 1 ] : -1;
-
-					// Reset the counters.
-					lengthInsertions1 = 0;
-					lengthDeletions1 = 0;
-					lengthInsertions2 = 0;
-					lengthDeletions2 = 0;
-					lastequality = null;
-					changes = true;
-				}
-			}
-			pointer++;
-		}
-
-		// Normalize the diff.
-		if ( changes ) {
-			this.diffCleanupMerge( diffs );
-		}
-
-		// Find any overlaps between deletions and insertions.
-		// e.g: <del>abcxxx</del><ins>xxxdef</ins>
-		//   -> <del>abc</del>xxx<ins>def</ins>
-		// e.g: <del>xxxabc</del><ins>defxxx</ins>
-		//   -> <ins>def</ins>xxx<del>abc</del>
-		// Only extract an overlap if it is as big as the edit ahead or behind it.
-		pointer = 1;
-		while ( pointer < diffs.length ) {
-			if ( diffs[ pointer - 1 ][ 0 ] === DIFF_DELETE &&
-					diffs[ pointer ][ 0 ] === DIFF_INSERT ) {
-				deletion = diffs[ pointer - 1 ][ 1 ];
-				insertion = diffs[ pointer ][ 1 ];
-				overlapLength1 = this.diffCommonOverlap( deletion, insertion );
-				overlapLength2 = this.diffCommonOverlap( insertion, deletion );
-				if ( overlapLength1 >= overlapLength2 ) {
-					if ( overlapLength1 >= deletion.length / 2 ||
-							overlapLength1 >= insertion.length / 2 ) {
-						// Overlap found.  Insert an equality and trim the surrounding edits.
-						diffs.splice(
-							pointer,
-							0,
-							[ DIFF_EQUAL, insertion.substring( 0, overlapLength1 ) ]
-						);
-						diffs[ pointer - 1 ][ 1 ] =
-							deletion.substring( 0, deletion.length - overlapLength1 );
-						diffs[ pointer + 1 ][ 1 ] = insertion.substring( overlapLength1 );
-						pointer++;
-					}
-				} else {
-					if ( overlapLength2 >= deletion.length / 2 ||
-							overlapLength2 >= insertion.length / 2 ) {
-
-						// Reverse overlap found.
-						// Insert an equality and swap and trim the surrounding edits.
-						diffs.splice(
-							pointer,
-							0,
-							[ DIFF_EQUAL, deletion.substring( 0, overlapLength2 ) ]
-						);
-
-						diffs[ pointer - 1 ][ 0 ] = DIFF_INSERT;
-						diffs[ pointer - 1 ][ 1 ] =
-							insertion.substring( 0, insertion.length - overlapLength2 );
-						diffs[ pointer + 1 ][ 0 ] = DIFF_DELETE;
-						diffs[ pointer + 1 ][ 1 ] =
-							deletion.substring( overlapLength2 );
-						pointer++;
-					}
-				}
-				pointer++;
-			}
-			pointer++;
-		}
-	};
-
-	/**
-	 * Determine if the suffix of one string is the prefix of another.
-	 * @param {string} text1 First string.
-	 * @param {string} text2 Second string.
-	 * @return {number} The number of characters common to the end of the first
-	 *     string and the start of the second string.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffCommonOverlap = function( text1, text2 ) {
-		var text1Length, text2Length, textLength,
-			best, length, pattern, found;
-		// Cache the text lengths to prevent multiple calls.
-		text1Length = text1.length;
-		text2Length = text2.length;
-		// Eliminate the null case.
-		if ( text1Length === 0 || text2Length === 0 ) {
-			return 0;
-		}
-		// Truncate the longer string.
-		if ( text1Length > text2Length ) {
-			text1 = text1.substring( text1Length - text2Length );
-		} else if ( text1Length < text2Length ) {
-			text2 = text2.substring( 0, text1Length );
-		}
-		textLength = Math.min( text1Length, text2Length );
-		// Quick check for the worst case.
-		if ( text1 === text2 ) {
-			return textLength;
-		}
-
-		// Start by looking for a single character match
-		// and increase length until no match is found.
-		// Performance analysis: https://neil.fraser.name/news/2010/11/04/
-		best = 0;
-		length = 1;
-		while ( true ) {
-			pattern = text1.substring( textLength - length );
-			found = text2.indexOf( pattern );
-			if ( found === -1 ) {
-				return best;
-			}
-			length += found;
-			if ( found === 0 || text1.substring( textLength - length ) ===
-					text2.substring( 0, length ) ) {
-				best = length;
-				length++;
-			}
-		}
-	};
-
-	/**
-	 * Split two texts into an array of strings.  Reduce the texts to a string of
-	 * hashes where each Unicode character represents one line.
-	 * @param {string} text1 First string.
-	 * @param {string} text2 Second string.
-	 * @return {{chars1: string, chars2: string, lineArray: !Array.<string>}}
-	 *     An object containing the encoded text1, the encoded text2 and
-	 *     the array of unique strings.
-	 *     The zeroth element of the array of unique strings is intentionally blank.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffLinesToChars = function( text1, text2 ) {
-		var lineArray, lineHash, chars1, chars2;
-		lineArray = []; // e.g. lineArray[4] === 'Hello\n'
-		lineHash = {}; // e.g. lineHash['Hello\n'] === 4
-
-		// '\x00' is a valid character, but various debuggers don't like it.
-		// So we'll insert a junk entry to avoid generating a null character.
-		lineArray[ 0 ] = "";
-
-		/**
-		 * Split a text into an array of strings.  Reduce the texts to a string of
-		 * hashes where each Unicode character represents one line.
-		 * Modifies linearray and linehash through being a closure.
-		 * @param {string} text String to encode.
-		 * @return {string} Encoded string.
-		 * @private
-		 */
-		function diffLinesToCharsMunge( text ) {
-			var chars, lineStart, lineEnd, lineArrayLength, line;
-			chars = "";
-			// Walk the text, pulling out a substring for each line.
-			// text.split('\n') would would temporarily double our memory footprint.
-			// Modifying text would create many large strings to garbage collect.
-			lineStart = 0;
-			lineEnd = -1;
-			// Keeping our own length variable is faster than looking it up.
-			lineArrayLength = lineArray.length;
-			while ( lineEnd < text.length - 1 ) {
-				lineEnd = text.indexOf( "\n", lineStart );
-				if ( lineEnd === -1 ) {
-					lineEnd = text.length - 1;
-				}
-				line = text.substring( lineStart, lineEnd + 1 );
-				lineStart = lineEnd + 1;
-
-				if ( lineHash.hasOwnProperty ? lineHash.hasOwnProperty( line ) :
-							( lineHash[ line ] !== undefined ) ) {
-					chars += String.fromCharCode( lineHash[ line ] );
-				} else {
-					chars += String.fromCharCode( lineArrayLength );
-					lineHash[ line ] = lineArrayLength;
-					lineArray[ lineArrayLength++ ] = line;
-				}
-			}
-			return chars;
-		}
-
-		chars1 = diffLinesToCharsMunge( text1 );
-		chars2 = diffLinesToCharsMunge( text2 );
-		return {
-			chars1: chars1,
-			chars2: chars2,
-			lineArray: lineArray
-		};
-	};
-
-	/**
-	 * Rehydrate the text in a diff from a string of line hashes to real lines of
-	 * text.
-	 * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-	 * @param {!Array.<string>} lineArray Array of unique strings.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffCharsToLines = function( diffs, lineArray ) {
-		var x, chars, text, y;
-		for ( x = 0; x < diffs.length; x++ ) {
-			chars = diffs[ x ][ 1 ];
-			text = [];
-			for ( y = 0; y < chars.length; y++ ) {
-				text[ y ] = lineArray[ chars.charCodeAt( y ) ];
-			}
-			diffs[ x ][ 1 ] = text.join( "" );
-		}
-	};
-
-	/**
-	 * Reorder and merge like edit sections.  Merge equalities.
-	 * Any edit section can move as long as it doesn't cross an equality.
-	 * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-	 */
-	DiffMatchPatch.prototype.diffCleanupMerge = function( diffs ) {
-		var pointer, countDelete, countInsert, textInsert, textDelete,
-			commonlength, changes, diffPointer, position;
-		diffs.push( [ DIFF_EQUAL, "" ] ); // Add a dummy entry at the end.
-		pointer = 0;
-		countDelete = 0;
-		countInsert = 0;
-		textDelete = "";
-		textInsert = "";
-		commonlength;
-		while ( pointer < diffs.length ) {
-			switch ( diffs[ pointer ][ 0 ] ) {
-			case DIFF_INSERT:
-				countInsert++;
-				textInsert += diffs[ pointer ][ 1 ];
-				pointer++;
-				break;
-			case DIFF_DELETE:
-				countDelete++;
-				textDelete += diffs[ pointer ][ 1 ];
-				pointer++;
-				break;
-			case DIFF_EQUAL:
-				// Upon reaching an equality, check for prior redundancies.
-				if ( countDelete + countInsert > 1 ) {
-					if ( countDelete !== 0 && countInsert !== 0 ) {
-						// Factor out any common prefixes.
-						commonlength = this.diffCommonPrefix( textInsert, textDelete );
-						if ( commonlength !== 0 ) {
-							if ( ( pointer - countDelete - countInsert ) > 0 &&
-									diffs[ pointer - countDelete - countInsert - 1 ][ 0 ] ===
-									DIFF_EQUAL ) {
-								diffs[ pointer - countDelete - countInsert - 1 ][ 1 ] +=
-									textInsert.substring( 0, commonlength );
-							} else {
-								diffs.splice( 0, 0, [ DIFF_EQUAL,
-									textInsert.substring( 0, commonlength )
-								] );
-								pointer++;
-							}
-							textInsert = textInsert.substring( commonlength );
-							textDelete = textDelete.substring( commonlength );
-						}
-						// Factor out any common suffixies.
-						commonlength = this.diffCommonSuffix( textInsert, textDelete );
-						if ( commonlength !== 0 ) {
-							diffs[ pointer ][ 1 ] = textInsert.substring( textInsert.length -
-									commonlength ) + diffs[ pointer ][ 1 ];
-							textInsert = textInsert.substring( 0, textInsert.length -
-								commonlength );
-							textDelete = textDelete.substring( 0, textDelete.length -
-								commonlength );
-						}
-					}
-					// Delete the offending records and add the merged ones.
-					if ( countDelete === 0 ) {
-						diffs.splice( pointer - countInsert,
-							countDelete + countInsert, [ DIFF_INSERT, textInsert ] );
-					} else if ( countInsert === 0 ) {
-						diffs.splice( pointer - countDelete,
-							countDelete + countInsert, [ DIFF_DELETE, textDelete ] );
-					} else {
-						diffs.splice(
-							pointer - countDelete - countInsert,
-							countDelete + countInsert,
-							[ DIFF_DELETE, textDelete ], [ DIFF_INSERT, textInsert ]
-						);
-					}
-					pointer = pointer - countDelete - countInsert +
-						( countDelete ? 1 : 0 ) + ( countInsert ? 1 : 0 ) + 1;
-				} else if ( pointer !== 0 && diffs[ pointer - 1 ][ 0 ] === DIFF_EQUAL ) {
-
-					// Merge this equality with the previous one.
-					diffs[ pointer - 1 ][ 1 ] += diffs[ pointer ][ 1 ];
-					diffs.splice( pointer, 1 );
-				} else {
-					pointer++;
-				}
-				countInsert = 0;
-				countDelete = 0;
-				textDelete = "";
-				textInsert = "";
-				break;
-			}
-		}
-		if ( diffs[ diffs.length - 1 ][ 1 ] === "" ) {
-			diffs.pop(); // Remove the dummy entry at the end.
-		}
-
-		// Second pass: look for single edits surrounded on both sides by equalities
-		// which can be shifted sideways to eliminate an equality.
-		// e.g: A<ins>BA</ins>C -> <ins>AB</ins>AC
-		changes = false;
-		pointer = 1;
-
-		// Intentionally ignore the first and last element (don't need checking).
-		while ( pointer < diffs.length - 1 ) {
-			if ( diffs[ pointer - 1 ][ 0 ] === DIFF_EQUAL &&
-					diffs[ pointer + 1 ][ 0 ] === DIFF_EQUAL ) {
-
-				diffPointer = diffs[ pointer ][ 1 ];
-				position = diffPointer.substring(
-					diffPointer.length - diffs[ pointer - 1 ][ 1 ].length
-				);
-
-				// This is a single edit surrounded by equalities.
-				if ( position === diffs[ pointer - 1 ][ 1 ] ) {
-
-					// Shift the edit over the previous equality.
-					diffs[ pointer ][ 1 ] = diffs[ pointer - 1 ][ 1 ] +
-						diffs[ pointer ][ 1 ].substring( 0, diffs[ pointer ][ 1 ].length -
-							diffs[ pointer - 1 ][ 1 ].length );
-					diffs[ pointer + 1 ][ 1 ] =
-						diffs[ pointer - 1 ][ 1 ] + diffs[ pointer + 1 ][ 1 ];
-					diffs.splice( pointer - 1, 1 );
-					changes = true;
-				} else if ( diffPointer.substring( 0, diffs[ pointer + 1 ][ 1 ].length ) ===
-						diffs[ pointer + 1 ][ 1 ] ) {
-
-					// Shift the edit over the next equality.
-					diffs[ pointer - 1 ][ 1 ] += diffs[ pointer + 1 ][ 1 ];
-					diffs[ pointer ][ 1 ] =
-						diffs[ pointer ][ 1 ].substring( diffs[ pointer + 1 ][ 1 ].length ) +
-						diffs[ pointer + 1 ][ 1 ];
-					diffs.splice( pointer + 1, 1 );
-					changes = true;
-				}
-			}
-			pointer++;
-		}
-		// If shifts were made, the diff needs reordering and another shift sweep.
-		if ( changes ) {
-			this.diffCleanupMerge( diffs );
-		}
-	};
-
-	return function( o, n ) {
-		var diff, output, text;
-		diff = new DiffMatchPatch();
-		output = diff.DiffMain( o, n );
-		diff.diffCleanupEfficiency( output );
-		text = diff.diffPrettyHtml( output );
-
-		return text;
-	};
-}() );
-
-// Get a reference to the global object, like window in browsers
-}( (function() {
-	return this;
-})() ));
-
-(function() {
-
-// Don't load the HTML Reporter on non-Browser environments
-if ( typeof window === "undefined" || !window.document ) {
-	return;
-}
-
-// Deprecated QUnit.init - Ref #530
-// Re-initialize the configuration options
-QUnit.init = function() {
-	var tests, banner, result, qunit,
-		config = QUnit.config;
-
-	config.stats = { all: 0, bad: 0 };
-	config.moduleStats = { all: 0, bad: 0 };
-	config.started = 0;
-	config.updateRate = 1000;
-	config.blocking = false;
-	config.autostart = true;
-	config.autorun = false;
-	config.filter = "";
-	config.queue = [];
-
-	// Return on non-browser environments
-	// This is necessary to not break on node tests
-	if ( typeof window === "undefined" ) {
-		return;
-	}
-
-	qunit = id( "qunit" );
-	if ( qunit ) {
-		qunit.innerHTML =
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-				"Rerun</a> without max depth.</p></td></tr>";
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-	// store result when possible
-	if ( config.reorder && defined.sessionStorage ) {
-		if ( bad ) {
-			sessionStorage.setItem( "qunit-test-" + details.module + "-" + details.name, bad );
-		} else {
-			sessionStorage.removeItem( "qunit-test-" + details.module + "-" + details.name );
-		}
-	}
-
-	if ( bad === 0 ) {
-
-		// Collapse the passing tests
-		addClass( assertList, "qunit-collapsed" );
-	} else if ( bad && config.collapse && !collapseNext ) {
-
-		// Skip collapsing the first failing test
-		collapseNext = true;
-	} else {
-
-		// Collapse remaining tests
-		addClass( assertList, "qunit-collapsed" );
-	}
-
-	// testItem.firstChild is the test name
-	testTitle = testItem.firstChild;
-
-	testCounts = bad ?
-		"<b class='failed'>" + bad + "</b>, " + "<b class='passed'>" + good + "</b>, " :
-		"";
-
-	testTitle.innerHTML += " <b class='counts'>(" + testCounts +
-		details.assertions.length + ")</b>";
-
-	if ( details.skipped ) {
-		testItem.className = "skipped";
-		skipped = document.createElement( "em" );
-		skipped.className = "qunit-skipped-label";
-		skipped.innerHTML = "skipped";
-		testItem.insertBefore( skipped, testTitle );
-	} else {
-		addEvent( testTitle, "click", function() {
-			toggleClass( assertList, "qunit-collapsed" );
-		});
-
-		testItem.className = bad ? "fail" : "pass";
-
-		time = document.createElement( "span" );
-		time.className = "runtime";
-		time.innerHTML = details.runtime + " ms";
-		testItem.insertBefore( time, assertList );
-	}
-
-	// Show the source of the test when showing assertions
-	if ( details.source ) {
-		sourceName = document.createElement( "p" );
-		sourceName.innerHTML = "<strong>Source: </strong>" + details.source;
-		addClass( sourceName, "qunit-source" );
-		if ( bad === 0 ) {
-			addClass( sourceName, "qunit-collapsed" );
-		}
-		addEvent( testTitle, "click", function() {
-			toggleClass( sourceName, "qunit-collapsed" );
-		});
-		testItem.appendChild( sourceName );
-	}
-});
-
-if ( defined.document ) {
-
-	// Avoid readyState issue with phantomjs
-	// Ref: #818
-	var notPhantom = ( function( p ) {
-		return !( p && p.version && p.version.major > 0 );
-	} )( window.phantom );
-
-	if ( notPhantom && document.readyState === "complete" ) {
-		QUnit.load();
-	} else {
-		addEvent( window, "load", QUnit.load );
-	}
-} else {
-	config.pageLoaded = true;
-	config.autorun = true;
-}
-
-})();

package.json

@@ -31,6 +31,7 @@
   "license": "MIT",
   "devDependencies": {
     "btoa": "~1.2.1",
+    "cross-env": "^5.2.0",
     "glob": "~7.1.2",
     "grunt": "~1.0.1",
     "grunt-autoprefixer": "~3.0.4",
@@ -44,17 +45,23 @@
     "grunt-contrib-jshint": "~1.1.0",
     "grunt-contrib-less": "~1.4.1",
     "grunt-contrib-pug": "~1.0.0",
-    "grunt-contrib-qunit": "~2.0.0",
     "grunt-contrib-uglify": "~3.3.0",
     "grunt-contrib-watch": "~1.0.0",
     "grunt-exec": "~3.0.0",
     "grunt-html": "~9.0.0",
     "grunt-jekyll": "~0.4.4",
     "grunt-jscs": "~3.0.1",
-    "grunt-saucelabs": "~9.0.0",
     "grunt-stylelint": "^0.10.0",
+    "ip": "^1.1.5",
+    "karma": "^3.0.0",
+    "karma-browserstack-launcher": "^1.3.0",
+    "karma-chrome-launcher": "^2.2.0",
+    "karma-detect-browsers": "^2.3.3",
+    "karma-firefox-launcher": "^1.1.0",
+    "karma-qunit": "^1.2.1",
     "load-grunt-tasks": "~3.5.0",
     "markdown-it": "^8.4.0",
+    "qunitjs": "^1.23.1",
     "shelljs": "^0.8.1",
     "shx": "^0.2.2",
     "stylelint": "^9.2.0",