test: refactor date formatter tests.
- Add tests for global locale. - Warn about missing locales. - Downgrade REQUIRE to CHECK. - Skip tests if localized formatting does not work as expected.
This commit is contained in:
Aleksei Bavshin
parent
ea17a66dfc
commit
6225db0a48
134
test/date.cpp
134
test/date.cpp
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@ -1,13 +1,23 @@
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#include "util/date.hpp"
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#include <chrono>
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#include <ctime>
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#include <iomanip>
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#include <sstream>
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#include <stdexcept>
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#if __has_include(<catch2/catch_test_macros.hpp>)
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#include <catch2/catch_test_macros.hpp>
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#include <catch2/matchers/catch_matchers_all.hpp>
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#else
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#include <catch2/catch.hpp>
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#endif
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#include <chrono>
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#include <stdexcept>
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#ifndef SKIP
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#define SKIP(...) \
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WARN(__VA_ARGS__); \
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return
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#endif
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using namespace std::literals::chrono_literals;
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@ -18,39 +28,79 @@ using namespace std::literals::chrono_literals;
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const date::zoned_time<std::chrono::seconds> TEST_TIME = date::zoned_time{
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"UTC", date::local_days{date::Monday[1] / date::January / 2022} + 13h + 4min + 5s};
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/*
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* Check if the date formatted with LC_TIME=en_US is within expectations.
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*
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* The check expects Glibc output style and will fail with FreeBSD (different implementation)
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* or musl (no implementation).
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*/
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static const bool LC_TIME_is_sane = []() {
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try {
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std::stringstream ss;
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ss.imbue(std::locale("en_US.UTF-8"));
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time_t t = 1641211200;
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std::tm tm = *std::gmtime(&t);
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ss << std::put_time(&tm, "%x %X");
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return ss.str() == "01/03/2022 12:00:00 PM";
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} catch (std::exception &) {
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return false;
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}
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}();
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TEST_CASE("Format UTC time", "[clock][util]") {
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const auto loc = std::locale("C");
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const auto tm = TEST_TIME;
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 13:04:05 2022 UTC");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
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CHECK(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 13:04:05 2022 UTC");
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CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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if (!LC_TIME_is_sane) {
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SKIP("Locale support check failed, skip tests");
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}
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/* Test a few locales that are most likely to be present */
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SECTION("US locale") {
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try {
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const auto loc = std::locale("en_US");
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const auto loc = std::locale("en_US.UTF-8");
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
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CHECK_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
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REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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CHECK(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
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CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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} catch (const std::runtime_error &) {
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// locale not found; ignore
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WARN("Locale en_US not found, skip tests");
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}
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}
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SECTION("GB locale") {
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try {
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const auto loc = std::locale("en_GB");
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const auto loc = std::locale("en_GB.UTF-8");
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
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CHECK_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
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REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 13:04:05");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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CHECK(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 13:04:05");
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CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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} catch (const std::runtime_error &) {
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// locale not found; ignore
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WARN("Locale en_GB not found, skip tests");
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}
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}
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SECTION("Global locale") {
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try {
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const auto loc = std::locale::global(std::locale("en_US.UTF-8"));
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CHECK(fmt::format("{}", tm).empty()); // no format specified
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CHECK_THAT(fmt::format("{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
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CHECK(fmt::format("{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
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CHECK(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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std::locale::global(loc);
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} catch (const std::runtime_error &) {
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WARN("Locale en_US not found, skip tests");
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}
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}
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}
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@ -59,36 +109,54 @@ TEST_CASE("Format zoned time", "[clock][util]") {
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const auto loc = std::locale("C");
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const auto tm = date::zoned_time{"America/New_York", TEST_TIME};
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 08:04:05 2022 EST");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
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CHECK(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 08:04:05 2022 EST");
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CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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if (!LC_TIME_is_sane) {
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SKIP("Locale support check failed, skip tests");
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}
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/* Test a few locales that are most likely to be present */
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SECTION("US locale") {
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try {
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const auto loc = std::locale("en_US");
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const auto loc = std::locale("en_US.UTF-8");
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
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CHECK_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
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REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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CHECK(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
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CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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} catch (const std::runtime_error &) {
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// locale not found; ignore
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WARN("Locale en_US not found, skip tests");
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}
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}
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SECTION("GB locale") {
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try {
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const auto loc = std::locale("en_GB");
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const auto loc = std::locale("en_GB.UTF-8");
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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CHECK(fmt::format(loc, "{}", tm).empty()); // no format specified
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CHECK_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
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REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 08:04:05");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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CHECK(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 08:04:05");
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CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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} catch (const std::runtime_error &) {
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// locale not found; ignore
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WARN("Locale en_GB not found, skip tests");
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}
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}
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SECTION("Global locale") {
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try {
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const auto loc = std::locale::global(std::locale("en_US.UTF-8"));
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CHECK(fmt::format("{}", tm).empty()); // no format specified
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CHECK_THAT(fmt::format("{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
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CHECK(fmt::format("{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
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CHECK(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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std::locale::global(loc);
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} catch (const std::runtime_error &) {
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WARN("Locale en_US not found, skip tests");
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}
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}
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}
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