diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fat/fat_test.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/fs/fat/fat_test.c b/fs/fat/fat_test.c index 886bf044a9f1d..4eeed9dca5494 100644 --- a/fs/fat/fat_test.c +++ b/fs/fat/fat_test.c @@ -20,6 +20,37 @@ static void fat_checksum_test(struct kunit *test) KUNIT_EXPECT_EQ(test, fat_checksum("ABCDEFGHA "), (u8)98); } +static void fat_clus_to_blknr_test(struct kunit *test) +{ + struct msdos_sb_info sbi = { + .sec_per_clus = 4, + .data_start = 100, + }; + + KUNIT_EXPECT_EQ(test, (sector_t)100, + fat_clus_to_blknr(&sbi, FAT_START_ENT)); + KUNIT_EXPECT_EQ(test, (sector_t)112, fat_clus_to_blknr(&sbi, 5)); +} + +static void fat_get_blknr_offset_test(struct kunit *test) +{ + struct msdos_sb_info sbi = { + .dir_per_block = 16, + .dir_per_block_bits = 4, + }; + + sector_t blknr; + int offset; + + fat_get_blknr_offset(&sbi, 0, &blknr, &offset); + KUNIT_EXPECT_EQ(test, (sector_t)0, blknr); + KUNIT_EXPECT_EQ(test, 0, offset); + + fat_get_blknr_offset(&sbi, (10 << 4) | 7, &blknr, &offset); + KUNIT_EXPECT_EQ(test, (sector_t)10, blknr); + KUNIT_EXPECT_EQ(test, 7, offset); +} + struct fat_timestamp_testcase { const char *name; struct timespec64 ts; @@ -341,6 +372,8 @@ static void fat_truncate_atime_test(struct kunit *test) static struct kunit_case fat_test_cases[] = { KUNIT_CASE(fat_checksum_test), + KUNIT_CASE(fat_clus_to_blknr_test), + KUNIT_CASE(fat_get_blknr_offset_test), KUNIT_CASE_PARAM(fat_time_fat2unix_test, fat_time_gen_params), KUNIT_CASE_PARAM(fat_time_unix2fat_test, fat_time_gen_params), KUNIT_CASE_PARAM(fat_time_unix2fat_clamp_test, |