diff options
Diffstat (limited to 'kernel/time/time_test.c')
| -rw-r--r-- | kernel/time/time_test.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/time/time_test.c b/kernel/time/time_test.c index 1b99180da288..8b718767b3ba 100644 --- a/kernel/time/time_test.c +++ b/kernel/time/time_test.c @@ -87,8 +87,24 @@ static void time64_to_tm_test_date_range(struct kunit *test) } } +static void time64_to_tm_test_wide_day_count(struct kunit *test) +{ + /* 2^31 days: the first count that does not fit in a 32-bit long. */ + time64_t timestamp = (1LL << 31) * 86400; + struct tm result; + + time64_to_tm(timestamp, 0, &result); + + KUNIT_EXPECT_EQ(test, result.tm_year, 5879680); + KUNIT_EXPECT_EQ(test, result.tm_mon, 6); + KUNIT_EXPECT_EQ(test, result.tm_mday, 12); + KUNIT_EXPECT_EQ(test, result.tm_yday, 193); + KUNIT_EXPECT_EQ(test, result.tm_wday, 6); +} + static struct kunit_case time_test_cases[] = { KUNIT_CASE_SLOW(time64_to_tm_test_date_range), + KUNIT_CASE(time64_to_tm_test_wide_day_count), {} }; |