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#include "util/date.hpp"
#include <ctime>
#include <iomanip>
#include <sstream>
#include <stdexcept>
#if __has_include(<catch2/catch_test_macros.hpp>)
#include <catch2/catch_test_macros.hpp>
#include <catch2/matchers/catch_matchers_string.hpp>
#else
#include <catch2/catch.hpp>
#endif
#ifndef SKIP
#define SKIP(...) \
WARN(__VA_ARGS__); \
return
#endif
using namespace date;
using namespace std::literals::chrono_literals;
namespace fmt_lib = waybar::util::date::format;
/*
* Check that the date/time formatter with locale and timezone support is working as expected.
*/
const zoned_time<std::chrono::seconds> TEST_TIME{
"UTC", local_days{Monday[1] / January / 2022} + 13h + 4min + 5s};
/*
* Check if the date formatted with LC_TIME=en_US is within expectations.
*
* The check expects Glibc output style and will fail with FreeBSD (different implementation)
* or musl (no implementation).
*/
static const bool LC_TIME_is_sane = []() {
try {
std::stringstream ss;
ss.imbue(std::locale("en_US.UTF-8"));
time_t t = 1641211200;
std::tm tm = *std::gmtime(&t);
ss << std::put_time(&tm, "%x %X");
return ss.str() == "01/03/2022 12:00:00 PM";
} catch (std::exception &) {
return false;
}
}();
TEST_CASE("Format UTC time", "[clock][util]") {
const auto loc = std::locale("C");
const auto tm = TEST_TIME;
#if not HAVE_CHRONO_TIMEZONES
CHECK(fmt_lib::format(loc, "{}", tm).empty()); // no format specified
#endif
CHECK(fmt_lib::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 13:04:05 2022 UTC");
CHECK(fmt_lib::format(loc, "{:%Y%m%d%H%M%S}", tm) == "20220103130405");
if (!LC_TIME_is_sane) {
SKIP("Locale support check failed, skip tests");
}
/* Test a few locales that are most likely to be present */
SECTION("US locale") {
try {
const auto loc = std::locale("en_US.UTF-8");
#if not HAVE_CHRONO_TIMEZONES
CHECK(fmt_lib::format(loc, "{}", tm).empty()); // no format specified
CHECK_THAT(fmt_lib::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
CHECK(fmt_lib::format(loc, "{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
#else
CHECK(fmt_lib::format(loc, "{:%F %r}", tm) == "2022-01-03 01:04:05 PM");
#endif
CHECK(fmt_lib::format(loc, "{:%Y%m%d%H%M%S}", tm) == "20220103130405");
} catch (const std::runtime_error &) {
WARN("Locale en_US not found, skip tests");
}
}
SECTION("GB locale") {
try {
const auto loc = std::locale("en_GB.UTF-8");
#if not HAVE_CHRONO_TIMEZONES
CHECK(fmt_lib::format(loc, "{}", tm).empty()); // no format specified
CHECK_THAT(fmt_lib::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
CHECK(fmt_lib::format(loc, "{:%x %X}", tm) == "03/01/22 13:04:05");
#else
CHECK(fmt_lib::format(loc, "{:%F %T}", tm) == "2022-01-03 13:04:05");
#endif
CHECK(fmt_lib::format(loc, "{:%Y%m%d%H%M%S}", tm) == "20220103130405");
} catch (const std::runtime_error &) {
WARN("Locale en_GB not found, skip tests");
}
}
SECTION("Global locale") {
try {
const auto loc = std::locale::global(std::locale("en_US.UTF-8"));
#if not HAVE_CHRONO_TIMEZONES
CHECK(fmt_lib::format("{}", tm).empty()); // no format specified
CHECK_THAT(fmt_lib::format("{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
CHECK(fmt_lib::format("{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
#else
CHECK(fmt_lib::format("{:%F %r}", tm) == "2022-01-03 01:04:05 PM");
#endif
CHECK(fmt_lib::format("{:%Y%m%d%H%M%S}", tm) == "20220103130405");
std::locale::global(loc);
} catch (const std::runtime_error &) {
WARN("Locale en_US not found, skip tests");
}
}
}
TEST_CASE("Format zoned time", "[clock][util]") {
const auto loc = std::locale("C");
const auto tm = zoned_time{"America/New_York", TEST_TIME};
#if not HAVE_CHRONO_TIMEZONES
CHECK(fmt_lib::format(loc, "{}", tm).empty()); // no format specified
#endif
CHECK(fmt_lib::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 08:04:05 2022 EST");
CHECK(fmt_lib::format(loc, "{:%Y%m%d%H%M%S}", tm) == "20220103080405");
if (!LC_TIME_is_sane) {
SKIP("Locale support check failed, skip tests");
}
/* Test a few locales that are most likely to be present */
SECTION("US locale") {
try {
const auto loc = std::locale("en_US.UTF-8");
#if not HAVE_CHRONO_TIMEZONES
CHECK(fmt_lib::format(loc, "{}", tm).empty()); // no format specified
CHECK_THAT(fmt_lib::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
CHECK(fmt_lib::format(loc, "{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
#else
CHECK(fmt_lib::format(loc, "{:%F %r}", tm) == "2022-01-03 08:04:05 AM");
#endif
CHECK(fmt_lib::format(loc, "{:%Y%m%d%H%M%S}", tm) == "20220103080405");
} catch (const std::runtime_error &) {
WARN("Locale en_US not found, skip tests");
}
}
SECTION("GB locale") {
try {
const auto loc = std::locale("en_GB.UTF-8");
#if not HAVE_CHRONO_TIMEZONES
CHECK(fmt_lib::format(loc, "{}", tm).empty()); // no format specified
CHECK_THAT(fmt_lib::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
CHECK(fmt_lib::format(loc, "{:%x %X}", tm) == "03/01/22 08:04:05");
#else
CHECK(fmt_lib::format(loc, "{:%F %T}", tm) == "2022-01-03 08:04:05");
#endif
CHECK(fmt_lib::format(loc, "{:%Y%m%d%H%M%S}", tm) == "20220103080405");
} catch (const std::runtime_error &) {
WARN("Locale en_GB not found, skip tests");
}
}
SECTION("Global locale") {
try {
const auto loc = std::locale::global(std::locale("en_US.UTF-8"));
#if not HAVE_CHRONO_TIMEZONES
CHECK(fmt_lib::format("{}", tm).empty()); // no format specified
CHECK_THAT(fmt_lib::format("{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
CHECK(fmt_lib::format("{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
#else
CHECK(fmt_lib::format("{:%F %r}", tm) == "2022-01-03 08:04:05 AM");
#endif
CHECK(fmt_lib::format("{:%Y%m%d%H%M%S}", tm) == "20220103080405");
std::locale::global(loc);
} catch (const std::runtime_error &) {
WARN("Locale en_US not found, skip tests");
}
}
}
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