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tests: subsys/fs/nvs: add test for initializing bad region

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Add unit test to exercise bad memory region recovery path

Signed-off-by: Cory Andrew Mayer <corymayer@meta.com>
This commit is contained in:
Cory Andrew Mayer 2024-12-21 07:48:04 -08:00 committed by Benjamin Cabé
parent 58514c291c
commit 8094f92cd3
2 changed files with 38 additions and 0 deletions
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1
tests/subsys/fs/nvs/prj.conf
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@ -8,3 +8,4 @@ CONFIG_FLASH_MAP=y
CONFIG_NVS=y
CONFIG_LOG=y
CONFIG_NVS_LOG_LEVEL_DBG=y
CONFIG_NVS_INIT_BAD_MEMORY_REGION=y

37
tests/subsys/fs/nvs/src/main.c
View file

@ -959,3 +959,40 @@ ZTEST_F(nvs, test_nvs_cache_hash_quality)
#endif
}
/*
* Test NVS bad region initialization recovery.
*/
ZTEST_F(nvs, test_nvs_init_bad_memory_region)
{
int err;
uint32_t data;
err = nvs_mount(&fixture->fs);
zassert_true(err == 0, "nvs_mount call failure: %d", err);
/* Write bad ATE to each sector */
for (uint16_t i = 0; i < TEST_SECTOR_COUNT; i++) {
data = 0xdeadbeef;
err = flash_write(fixture->fs.flash_device,
fixture->fs.offset + (fixture->fs.sector_size * (i + 1)) -
sizeof(struct nvs_ate),
&data, sizeof(data));
zassert_true(err == 0, "flash_write failed: %d", err);
}
/* Reinitialize the NVS. */
memset(&fixture->fs, 0, sizeof(fixture->fs));
(void)setup();
#ifdef CONFIG_NVS_INIT_BAD_MEMORY_REGION
err = nvs_mount(&fixture->fs);
zassert_true(err == 0, "nvs_mount call failure: %d", err);
/* Ensure that the NVS is able to store new content. */
execute_long_pattern_write(TEST_DATA_ID, &fixture->fs);
#else
err = nvs_mount(&fixture->fs);
zassert_true(err == -EDEADLK, "nvs_mount call ok, expect fail: %d", err);
#endif
}