diff options
Diffstat (limited to 'absl/time/internal/cctz/src/time_zone_lookup_test.cc')
| -rw-r--r-- | absl/time/internal/cctz/src/time_zone_lookup_test.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/absl/time/internal/cctz/src/time_zone_lookup_test.cc b/absl/time/internal/cctz/src/time_zone_lookup_test.cc index 551292fb55e0..280c96b4f207 100644 --- a/absl/time/internal/cctz/src/time_zone_lookup_test.cc +++ b/absl/time/internal/cctz/src/time_zone_lookup_test.cc @@ -990,6 +990,16 @@ TEST(MakeTime, SysSecondsLimits) { EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); tp = convert(civil_second::min(), west); EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); + + // Checks that "tm_year + 1900", as used by the "libc" implementation, + // can produce year values beyond the range on an int without overflow. +#if defined(_WIN32) || defined(_WIN64) + // localtime_s() and gmtime_s() don't believe in years past 3000. +#else + const time_zone libc_utc = LoadZone("libc:UTC"); + tp = convert(civil_year(year_t{2147483648}), libc_utc); + EXPECT_EQ("2147483648-01-01T00:00:00+00:00", format(RFC3339, tp, libc_utc)); +#endif } TEST(NextTransition, UTC) { |