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https://bitbucket.org/librepilot/librepilot.git
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260 lines
8.9 KiB
C++
260 lines
8.9 KiB
C++
#include "gtest/gtest.h"
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#include <stdio.h> /* printf */
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#include <stdlib.h> /* abort */
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#include <string.h> /* memset */
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extern "C" {
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#include "pios_flash.h" /* PIOS_FLASH_* API */
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#include "pios_flash_ut_priv.h"
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extern struct pios_flash_ut_cfg flash_config;
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#include "pios_flashfs_logfs_priv.h"
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extern struct flashfs_logfs_cfg flashfs_config;
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#include "pios_flashfs.h" /* PIOS_FLASHFS_* */
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}
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#define OBJ0_ID 0xAA55AA55
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#define OBJ1_ID 0x12345678
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#define OBJ1_SIZE 76
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#define OBJ2_ID 0xABCDEFAB
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#define OBJ2_SIZE 123
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#define OBJ3_ID 0x99999999
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#define OBJ3_SIZE (256 - 12) // leave room for the slot header
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// To use a test fixture, derive a class from testing::Test.
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class LogfsTestRaw : public testing::Test {
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protected:
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virtual void SetUp() {
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/* create an empty, appropriately sized flash filesystem */
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FILE * theflash = fopen(FLASH_IMAGE_FILE, "wb");
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uint8_t sector[flash_config.size_of_sector];
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memset(sector, 0xFF, sizeof(sector));
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for (uint32_t i = 0; i < flash_config.size_of_flash / flash_config.size_of_sector; i++) {
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fwrite(sector, sizeof(sector), 1, theflash);
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}
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fclose(theflash);
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/* Set up obj1 */
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for (uint32_t i = 0; i < sizeof(obj1); i++) {
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obj1[i] = 0x10 + (i % 10);
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}
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/* Set up a second version of obj1 with different data */
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for (uint32_t i = 0; i < sizeof(obj1_alt); i++) {
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obj1_alt[i] = 0xA0 + (i % 10);
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}
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/* Set up obj2 */
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for (uint32_t i = 0; i < sizeof(obj2); i++) {
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obj2[i] = 0x20 + (i % 10);
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}
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/* Set up obj3 */
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for (uint32_t i = 0; i < sizeof(obj3); i++) {
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obj3[i] = 0x30 + (i % 10);
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}
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}
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virtual void TearDown() {
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unlink("theflash.bin");
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}
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unsigned char obj1[OBJ1_SIZE];
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unsigned char obj1_alt[OBJ1_SIZE];
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unsigned char obj2[OBJ2_SIZE];
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unsigned char obj3[OBJ3_SIZE];
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};
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TEST_F(LogfsTestRaw, FlashInit) {
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uintptr_t flash_id;
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EXPECT_EQ(0, PIOS_Flash_UT_Init(&flash_id, &flash_config));
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}
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TEST_F(LogfsTestRaw, LogfsInit) {
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uintptr_t flash_id;
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EXPECT_EQ(0, PIOS_Flash_UT_Init(&flash_id, &flash_config));
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uintptr_t fs_id;
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EXPECT_EQ(0, PIOS_FLASHFS_Logfs_Init(&fs_id, &flashfs_config, &pios_ut_flash_driver, flash_id));
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}
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class LogfsTestCooked : public LogfsTestRaw {
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protected:
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virtual void SetUp() {
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/* First, we need to set up the super fixture (LogfsTestRaw) */
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LogfsTestRaw::SetUp();
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/* Init the flash and the flashfs so we don't need to repeat this in every test */
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uintptr_t flash_id;
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EXPECT_EQ(0, PIOS_Flash_UT_Init(&flash_id, &flash_config));
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EXPECT_EQ(0, PIOS_FLASHFS_Logfs_Init(&fs_id, &flashfs_config, &pios_ut_flash_driver, flash_id));
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}
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uintptr_t fs_id;
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};
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TEST_F(LogfsTestCooked, LogfsFormat) {
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EXPECT_EQ(0, PIOS_FLASHFS_Format(fs_id));
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}
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TEST_F(LogfsTestCooked, WriteOne) {
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, 0, obj1, sizeof(obj1)));
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}
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TEST_F(LogfsTestCooked, WriteVerifyOne) {
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, 0, obj1, sizeof(obj1)));
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unsigned char obj1_check[OBJ1_SIZE];
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memset(obj1_check, 0, sizeof(obj1_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 0, obj1_check, sizeof(obj1_check)));
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EXPECT_EQ(0, memcmp(obj1, obj1_check, sizeof(obj1)));
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}
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TEST_F(LogfsTestCooked, WriteVerifyDeleteVerifyOne) {
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, 0, obj1, sizeof(obj1)));
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unsigned char obj1_check[OBJ1_SIZE];
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memset(obj1_check, 0, sizeof(obj1_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 0, obj1_check, sizeof(obj1_check)));
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EXPECT_EQ(0, memcmp(obj1, obj1_check, sizeof(obj1)));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjDelete(fs_id, OBJ1_ID, 0));
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EXPECT_EQ(-2, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 0, obj1_check, sizeof(obj1_check)));
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}
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TEST_F(LogfsTestCooked, WriteTwoVerifyOneA) {
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/* Write obj1 then obj2 */
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, 0, obj1, sizeof(obj1)));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ2_ID, 0, obj2, sizeof(obj2)));
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/* Read back obj1 */
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unsigned char obj1_check[OBJ1_SIZE];
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memset(obj1_check, 0, sizeof(obj1_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 0, obj1_check, sizeof(obj1_check)));
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EXPECT_EQ(0, memcmp(obj1, obj1_check, sizeof(obj1)));
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}
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TEST_F(LogfsTestCooked, WriteTwoVerifyOneB) {
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/* Write obj2 then obj1 */
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ2_ID, 0, obj2, sizeof(obj2)));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, 0, obj1, sizeof(obj1)));
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/* Read back obj1 */
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unsigned char obj1_check[OBJ1_SIZE];
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memset(obj1_check, 0, sizeof(obj1_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 0, obj1_check, sizeof(obj1_check)));
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EXPECT_EQ(0, memcmp(obj1, obj1_check, sizeof(obj1)));
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}
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TEST_F(LogfsTestCooked, WriteZeroSize) {
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/* Write a zero length object */
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ0_ID, 0, NULL, 0));
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}
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TEST_F(LogfsTestCooked, WriteVerifyZeroLength) {
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/* Write a zero length object */
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ0_ID, 0, NULL, 0));
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/* Read back a zero length object -- effectively an existence check */
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ0_ID, 0, NULL, 0));
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}
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TEST_F(LogfsTestCooked, WriteMaxSize) {
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/* Write a zero length object */
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ3_ID, 0, obj3, sizeof(obj3)));
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}
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TEST_F(LogfsTestCooked, ReadNonexistent) {
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/* Read back a zero length object -- basically an existence check */
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unsigned char obj1_check[OBJ1_SIZE];
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memset(obj1_check, 0, sizeof(obj1_check));
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EXPECT_EQ(-2, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 0, obj1_check, sizeof(obj1_check)));
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}
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TEST_F(LogfsTestCooked, WriteVerifyMultiInstance) {
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/* Write instance zero */
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, 0, obj1, sizeof(obj1)));
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/* Write a non-zero instance ID */
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, 123, obj1_alt, sizeof(obj1_alt)));
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unsigned char obj1_check[OBJ1_SIZE];
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/* Read back instance 123 */
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memset(obj1_check, 0, sizeof(obj1_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 123, obj1_check, sizeof(obj1_check)));
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EXPECT_EQ(0, memcmp(obj1_alt, obj1_check, sizeof(obj1_alt)));
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/* Read back instance 0 */
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memset(obj1_check, 0, sizeof(obj1_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 0, obj1_check, sizeof(obj1_check)));
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EXPECT_EQ(0, memcmp(obj1, obj1_check, sizeof(obj1)));
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}
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TEST_F(LogfsTestCooked, FillFilesystemAndGarbageCollect) {
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/* Fill up the entire filesystem with multiple instances of obj1 */
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for (uint32_t i = 0; i < (flashfs_config.arena_size / flashfs_config.slot_size) - 1; i++) {
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, i, obj1, sizeof(obj1)));
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}
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/* Should fail to add a new object since the filesystem is full */
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EXPECT_EQ(-3, PIOS_FLASHFS_ObjSave(fs_id, OBJ2_ID, 0, obj2, sizeof(obj2)));
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/* Now save a new version of an existing object which should trigger gc and succeed */
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, 0, obj1_alt, sizeof(obj1_alt)));
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/* Read back one of the original obj1 instances */
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unsigned char obj1_check[OBJ1_SIZE];
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memset(obj1_check, 0, sizeof(obj1_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 1, obj1_check, sizeof(obj1_check)));
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EXPECT_EQ(0, memcmp(obj1, obj1_check, sizeof(obj1)));
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/* Read back the new version of obj1 written after gc */
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memset(obj1_check, 0, sizeof(obj1_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 0, obj1_check, sizeof(obj1_check)));
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EXPECT_EQ(0, memcmp(obj1_alt, obj1_check, sizeof(obj1_alt)));
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}
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TEST_F(LogfsTestCooked, WriteManyVerify) {
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for (uint32_t i = 0; i < 10000; i++) {
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/* Write a collection of objects */
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ0_ID, 0, NULL, 0));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, 0, obj1, sizeof(obj1)));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ1_ID, 123, obj1_alt, sizeof(obj1_alt)));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ2_ID, 0, obj2, sizeof(obj2)));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjSave(fs_id, OBJ3_ID, 0, obj3, sizeof(obj3)));
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}
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ0_ID, 0, NULL, 0));
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unsigned char obj1_check[OBJ1_SIZE];
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memset(obj1_check, 0, sizeof(obj1_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 0, obj1_check, sizeof(obj1_check)));
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EXPECT_EQ(0, memcmp(obj1, obj1_check, sizeof(obj1)));
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unsigned char obj1_alt_check[OBJ1_SIZE];
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memset(obj1_alt_check, 0, sizeof(obj1_alt_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ1_ID, 123, obj1_alt_check, sizeof(obj1_alt_check)));
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EXPECT_EQ(0, memcmp(obj1_alt, obj1_alt_check, sizeof(obj1_alt)));
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unsigned char obj2_check[OBJ2_SIZE];
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memset(obj2_check, 0, sizeof(obj2_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ2_ID, 0, obj2_check, sizeof(obj2_check)));
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EXPECT_EQ(0, memcmp(obj2, obj2_check, sizeof(obj2)));
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unsigned char obj3_check[OBJ3_SIZE];
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memset(obj3_check, 0, sizeof(obj3_check));
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EXPECT_EQ(0, PIOS_FLASHFS_ObjLoad(fs_id, OBJ3_ID, 0, obj3_check, sizeof(obj3_check)));
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EXPECT_EQ(0, memcmp(obj3, obj3_check, sizeof(obj3)));
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}
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