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Enable some local_time tests and make them deterministic
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@@ -350,77 +350,64 @@ TEST(chrono_test, system_clock_time_point) {
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}
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}
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#if FMT_USE_LOCAL_TIME
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TEST(chrono_test, local_time) {
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auto t =
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fmt::local_time<std::chrono::seconds>(std::chrono::seconds(290088000));
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EXPECT_EQ(fmt::format("{:%Y-%m-%d %H:%M:%S}", t), "1979-03-12 12:00:00");
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EXPECT_EQ(fmt::format("{}", t), "1979-03-12 12:00:00");
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EXPECT_EQ(fmt::format("{:}", t), "1979-03-12 12:00:00");
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template <typename Duration>
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auto strftime_full_local(fmt::local_time<Duration> t) -> std::string {
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auto sys_time = std::chrono::system_clock::to_time_t(
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std::chrono::current_zone()->to_sys(t));
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auto tm = *std::localtime(&sys_time);
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return system_strftime("%Y-%m-%d %H:%M:%S", &tm);
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}
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TEST(chrono_test, local_system_clock_time_point) {
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# ifdef _WIN32
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return; // Not supported on Windows.
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# endif
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auto t1 = std::chrono::time_point_cast<std::chrono::seconds>(
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std::chrono::current_zone()->to_local(std::chrono::system_clock::now()));
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EXPECT_EQ(strftime_full_local(t1), fmt::format("{:%Y-%m-%d %H:%M:%S}", t1));
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EXPECT_EQ(strftime_full_local(t1), fmt::format("{}", t1));
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EXPECT_EQ(strftime_full_local(t1), fmt::format("{:}", t1));
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using time_point = fmt::local_time<std::chrono::seconds>;
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auto t2 = time_point(std::chrono::seconds(86400 + 42));
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EXPECT_EQ(strftime_full_local(t2), fmt::format("{:%Y-%m-%d %H:%M:%S}", t2));
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std::vector<std::string> spec_list = {
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std::vector<std::string> specs = {
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"%%", "%n", "%t", "%Y", "%EY", "%y", "%Oy", "%Ey", "%C",
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"%EC", "%G", "%g", "%b", "%h", "%B", "%m", "%Om", "%U",
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"%OU", "%W", "%OW", "%V", "%OV", "%j", "%d", "%Od", "%e",
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"%Oe", "%a", "%A", "%w", "%Ow", "%u", "%Ou", "%H", "%OH",
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"%I", "%OI", "%M", "%OM", "%S", "%OS", "%x", "%Ex", "%X",
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"%EX", "%D", "%F", "%R", "%T", "%p", "%z", "%Z"};
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# ifndef _WIN32
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#ifndef _WIN32
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// Disabled on Windows because these formats are not consistent among
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// platforms.
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spec_list.insert(spec_list.end(), {"%c", "%Ec", "%r"});
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# elif !FMT_HAS_C99_STRFTIME
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specs.insert(specs.end(), {"%c", "%Ec", "%r"});
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#elif !FMT_HAS_C99_STRFTIME
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// Only C89 conversion specifiers when using MSVCRT instead of UCRT
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spec_list = {"%%", "%Y", "%y", "%b", "%B", "%m", "%U", "%W", "%j", "%d", "%a",
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"%A", "%w", "%H", "%I", "%M", "%S", "%x", "%X", "%p", "%Z"};
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# endif
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spec_list.push_back("%Y-%m-%d %H:%M:%S");
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specs = {"%%", "%Y", "%y", "%b", "%B", "%m", "%U", "%W", "%j", "%d", "%a",
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"%A", "%w", "%H", "%I", "%M", "%S", "%x", "%X", "%p", "%Z"};
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#endif
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specs.push_back("%Y-%m-%d %H:%M:%S");
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for (const auto& spec : spec_list) {
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auto t = std::chrono::system_clock::to_time_t(
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std::chrono::current_zone()->to_sys(t1));
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auto tm = *std::localtime(&t);
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#if FMT_USE_LOCAL_TIME
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# ifdef _WIN32
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return; // Not supported on Windows.
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# endif
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for (const auto& spec : specs) {
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auto sys_time = std::chrono::system_clock::to_time_t(
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std::chrono::current_zone()->to_sys(t));
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auto tm = *std::localtime(&sys_time);
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auto sys_output = system_strftime(spec, &tm);
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auto fmt_spec = fmt::format("{{:{}}}", spec);
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EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), t1));
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EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), t));
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EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), tm));
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}
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if (std::find(spec_list.cbegin(), spec_list.cend(), "%z") !=
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spec_list.cend()) {
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auto t = std::chrono::system_clock::to_time_t(
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std::chrono::current_zone()->to_sys(t1));
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auto tm = *std::localtime(&t);
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if (std::find(specs.cbegin(), specs.cend(), "%z") != specs.cend()) {
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auto sys_time = std::chrono::system_clock::to_time_t(
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std::chrono::current_zone()->to_sys(t));
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auto tm = *std::localtime(&sys_time);
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auto sys_output = system_strftime("%z", &tm);
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sys_output.insert(sys_output.end() - 2, 1, ':');
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EXPECT_EQ(sys_output, fmt::format("{:%Ez}", t1));
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EXPECT_EQ(sys_output, fmt::format("{:%Ez}", t));
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EXPECT_EQ(sys_output, fmt::format("{:%Ez}", tm));
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EXPECT_EQ(sys_output, fmt::format("{:%Oz}", t1));
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EXPECT_EQ(sys_output, fmt::format("{:%Oz}", t));
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EXPECT_EQ(sys_output, fmt::format("{:%Oz}", tm));
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}
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}
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#endif // FMT_USE_LOCAL_TIME
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}
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TEST(chrono_test, daylight_savings_time_end) {
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// 2024-10-27 03:05 as the number of seconds since epoch in Europe/Kyiv time.
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