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Test ambiguous time

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This commit is contained in:
Victor Zverovich
2025-03-23 09:49:23 -07:00
parent 989826ce50
commit 43e31614cc
3 changed files with 24 additions and 9 deletions
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16
test/chrono-test.cc
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@ -428,6 +428,18 @@ TEST(chrono_test, local_system_clock_time_point) {
#endif // FMT_USE_LOCAL_TIME
TEST(chrono_test, daylight_savings_time_end) {
// 2024-10-27 03:05 as the number of seconds since epoch in Europe/Kyiv time.
// It is slightly after the DST end and passing it to to_sys will result in
// an ambiguous time error:
// 2024-10-27 03:05:00 is ambiguous. It could be
// 2024-10-27 03:05:00 EEST == 2024-10-27 00:05:00 UTC or
// 2024-10-27 03:05:00 EET == 2024-10-27 01:05:00 UTC
auto t =
fmt::local_time<std::chrono::seconds>(std::chrono::seconds(1729998300));
EXPECT_EQ(fmt::format("{}", t), "2024-10-27 03:05:00");
}
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
TEST(chrono_test, format_default) {
@ -1033,7 +1045,7 @@ TEST(chrono_test, glibc_extensions) {
{
auto t = std::tm();
t.tm_year = -5 - 1900;
EXPECT_EQ(fmt::format( "{:%Y}", t), "-005");
EXPECT_EQ(fmt::format("{:%Y}", t), "-005");
EXPECT_EQ(fmt::format("{:%_Y}", t), " -5");
EXPECT_EQ(fmt::format("{:%-Y}", t), "-5");
}
@ -1045,8 +1057,6 @@ TEST(chrono_test, glibc_extensions) {
EXPECT_EQ(fmt::format("{:%_m}", t), " 7");
EXPECT_EQ(fmt::format("{:%-m}", t), "7");
}
}
TEST(chrono_test, out_of_range) {