From 7e312eaf76f037ef0d9e38ec4852b83baf5372a4 Mon Sep 17 00:00:00 2001
From: rlanvin <remi@cloudconnected.fr>
Date: Fri, 11 Mar 2016 11:02:40 +0200
Subject: [PATCH] Adding a dedicated test for timezone

---
 tests/RRuleTest.php | 40 +++++++++++++++++++++++++++++++++++++---
 1 file changed, 37 insertions(+), 3 deletions(-)

diff --git a/tests/RRuleTest.php b/tests/RRuleTest.php
index f074131..33b738e 100755
--- a/tests/RRuleTest.php
+++ b/tests/RRuleTest.php
@@ -1654,8 +1654,6 @@ class RRuleTest extends PHPUnit_Framework_TestCase
 		$this->assertEquals($rule, new RRule($rule->rfcString()));
 	}
 
-
-
 	public function testIsLeapYear()
 	{
 		$this->assertFalse(\RRule\is_leap_year(1700));
@@ -1663,4 +1661,40 @@ class RRuleTest extends PHPUnit_Framework_TestCase
 		$this->assertFalse(\RRule\is_leap_year(1900));
 		$this->assertTrue(\RRule\is_leap_year(2000));
 	}
-}
\ No newline at end of file
+
+	public function testTimezoneIsKeptIdentical()
+	{
+		$rrule = new RRule(array(
+			'freq' => 'yearly',
+			'bymonthday' => '31,30',
+			'count' => 3,
+			'dtstart' => date_create('2015-07-01 09:00:00')
+		));
+
+		$this->assertEquals(date_create('2015-07-30 09:00:00'), $rrule[0]);
+
+		$rrule = new RRule(array(
+			'freq' => 'yearly',
+			'bymonthday' => '31,30',
+			'count' => 3,
+			'dtstart' => date_create('2015-07-01 09:00:00', new DateTimeZone('Australia/Sydney'))
+		));
+
+		$this->assertEquals(date_create('2015-07-30 09:00:00', new DateTimeZone('Australia/Sydney')), $rrule[0]);
+
+		$rrule = new RRule(array(
+			'freq' => 'yearly',
+			'bymonthday' => '31,30',
+			'count' => 3,
+			'dtstart' => date_create('2015-07-01 09:00:00', new DateTimeZone('Europe/Helsinki'))
+		));
+
+		$this->assertEquals(date_create('2015-07-30 09:00:00', new DateTimeZone('Europe/Helsinki')), $rrule[0]);
+
+		// using a rfc string
+		$rrule = new RRule('DTSTART;TZID=America/New_York:19970901T090000
+			RRULE:FREQ=DAILY;UNTIL=19971224T000000Z;WKST=SU;BYDAY=MO,WE,FR');
+
+		$this->assertEquals(date_create('1997-09-01 09:00:00', new DateTimeZone('America/New_York')), $rrule[0]);
+	}
+}