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Improve chorno tests

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This commit is contained in:
Victor Zverovich
2025-04-12 08:24:49 -07:00
parent da776c9a66
commit 6d69f0c5f2
1 changed files with 30 additions and 95 deletions
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125
test/chrono-test.cc
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@ -263,101 +263,8 @@ auto strftime_full_utc(TimePoint tp) -> std::string {
return system_strftime("%Y-%m-%d %H:%M:%S", &tm);
}
TEST(chrono_test, sys_time) {
auto time =
fmt::sys_time<std::chrono::seconds>(std::chrono::seconds(290088000));
EXPECT_EQ(fmt::format("{:%z}", time), "+0000");
auto t1 = std::chrono::time_point_cast<std::chrono::seconds>(
std::chrono::system_clock::now());
EXPECT_EQ(strftime_full_utc(t1), fmt::format("{:%Y-%m-%d %H:%M:%S}", t1));
EXPECT_EQ(strftime_full_utc(t1), fmt::format("{}", t1));
EXPECT_EQ(strftime_full_utc(t1), fmt::format("{:}", t1));
auto t2 = sys_time<std::chrono::seconds>(std::chrono::seconds(42));
EXPECT_EQ(strftime_full_utc(t2), fmt::format("{:%Y-%m-%d %H:%M:%S}", t2));
std::vector<std::string> spec_list = {
"%%", "%n", "%t", "%Y", "%EY", "%y", "%Oy", "%Ey", "%C",
"%EC", "%G", "%g", "%b", "%h", "%B", "%m", "%Om", "%U",
"%OU", "%W", "%OW", "%V", "%OV", "%j", "%d", "%Od", "%e",
"%Oe", "%a", "%A", "%w", "%Ow", "%u", "%Ou", "%H", "%OH",
"%I", "%OI", "%M", "%OM", "%S", "%OS", "%x", "%Ex", "%X",
"%EX", "%D", "%F", "%R", "%T", "%p"};
#ifndef _WIN32
// Disabled on Windows because these formats are not consistent among
// platforms.
spec_list.insert(spec_list.end(), {"%c", "%Ec", "%r"});
#elif !FMT_HAS_C99_STRFTIME
// Only C89 conversion specifiers when using MSVCRT instead of UCRT
spec_list = {"%%", "%Y", "%y", "%b", "%B", "%m", "%U", "%W", "%j", "%d",
"%a", "%A", "%w", "%H", "%I", "%M", "%S", "%x", "%X", "%p"};
#endif
spec_list.push_back("%Y-%m-%d %H:%M:%S");
for (const auto& spec : spec_list) {
auto t = std::chrono::system_clock::to_time_t(t1);
auto tm = *std::gmtime(&t);
auto sys_output = system_strftime(spec, &tm);
auto fmt_spec = fmt::format("{{:{}}}", spec);
EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), t1));
EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), tm));
}
// Timezone formatters tests makes sense for localtime.
#if FMT_HAS_C99_STRFTIME && !defined(_WIN32)
spec_list = {"%z", "%Z"};
#else
spec_list = {"%Z"};
#endif
for (const auto& spec : spec_list) {
auto t = std::chrono::system_clock::to_time_t(t1);
auto tm = *std::localtime(&t);
auto sys_output = system_strftime(spec, &tm);
auto fmt_spec = fmt::format("{{:{}}}", spec);
EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), tm));
if (spec == "%z") {
sys_output.insert(sys_output.end() - 2, 1, ':');
EXPECT_EQ(sys_output, fmt::format("{:%Ez}", tm));
EXPECT_EQ(sys_output, fmt::format("{:%Oz}", tm));
}
}
// Separate tests for UTC, since std::time_put can use local time and ignoring
// the timezone in std::tm (if it presents on platform).
if (fmt::detail::has_member_data_tm_zone<std::tm>::value) {
auto t = std::chrono::system_clock::to_time_t(t1);
auto tm = *std::gmtime(&t);
std::vector<std::string> tz_names = {"GMT", "UTC"};
EXPECT_THAT(tz_names, Contains(fmt::format("{:%Z}", t1)));
EXPECT_THAT(tz_names, Contains(fmt::format("{:%Z}", tm)));
}
if (fmt::detail::has_member_data_tm_gmtoff<std::tm>::value) {
auto t = std::chrono::system_clock::to_time_t(t1);
auto tm = *std::gmtime(&t);
EXPECT_EQ(fmt::format("{:%z}", t1), "+0000");
EXPECT_EQ(fmt::format("{:%z}", tm), "+0000");
EXPECT_EQ(fmt::format("{:%Ez}", t1), "+00:00");
EXPECT_EQ(fmt::format("{:%Ez}", tm), "+00:00");
EXPECT_EQ(fmt::format("{:%Oz}", t1), "+00:00");
EXPECT_EQ(fmt::format("{:%Oz}", tm), "+00:00");
}
}
TEST(chrono_test, local_time) {
auto time =
fmt::local_time<std::chrono::seconds>(std::chrono::seconds(290088000));
template <typename Time>
void test_time(Time time) {
EXPECT_EQ(fmt::format("{}", time), "1979-03-12 12:00:00");
EXPECT_EQ(fmt::format("{:}", time), "1979-03-12 12:00:00");
@ -417,7 +324,35 @@ TEST(chrono_test, local_time) {
EXPECT_EQ(fmt::format("{:%r}", time), "12:00:00 PM");
EXPECT_EQ(fmt::format("{:%Y-%m-%d %H:%M:%S}", time), "1979-03-12 12:00:00");
}
TEST(chrono_test, sys_time) {
auto time =
fmt::sys_time<std::chrono::seconds>(std::chrono::seconds(290088000));
test_time(time);
EXPECT_EQ(fmt::format("{:%z}", time), "+0000");
EXPECT_EQ(fmt::format("{:%Ez}", time), "+00:00");
EXPECT_EQ(fmt::format("{:%Oz}", time), "+00:00");
auto t1 = std::chrono::time_point_cast<std::chrono::seconds>(
std::chrono::system_clock::now());
// Separate tests for UTC, since std::time_put can use local time and ignoring
// the timezone in std::tm (if it presents on platform).
if (fmt::detail::has_member_data_tm_zone<std::tm>::value) {
auto t = std::chrono::system_clock::to_time_t(t1);
auto tm = *std::gmtime(&t);
std::vector<std::string> tz_names = {"GMT", "UTC"};
EXPECT_THAT(tz_names, Contains(fmt::format("{:%Z}", t1)));
EXPECT_THAT(tz_names, Contains(fmt::format("{:%Z}", tm)));
}
}
TEST(chrono_test, local_time) {
auto time =
fmt::local_time<std::chrono::seconds>(std::chrono::seconds(290088000));
test_time(time);
EXPECT_THROW_MSG((void)fmt::format(fmt::runtime("{:%z}"), time),
fmt::format_error, "no timezone");
EXPECT_THROW_MSG((void)fmt::format(fmt::runtime("{:%Z}"), time),