waybar/test/date.cpp

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#include "util/date.hpp"
#if __has_include(<catch2/catch_test_macros.hpp>)
#include <catch2/catch_test_macros.hpp>
#include <catch2/matchers/catch_matchers_all.hpp>
#else
#include <catch2/catch.hpp>
#endif
#include <chrono>
#include <stdexcept>
using namespace std::literals::chrono_literals;
/*
* Check that the date/time formatter with locale and timezone support is working as expected.
*/
const date::zoned_time<std::chrono::seconds> TEST_TIME = date::zoned_time{
"UTC", date::local_days{date::Monday[1] / date::January / 2022} + 13h + 4min + 5s};
TEST_CASE("Format UTC time", "[clock][util]") {
const auto loc = std::locale("C");
const auto tm = TEST_TIME;
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 13:04:05 2022 UTC");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
/* Test a few locales that are most likely to be present */
SECTION("US locale") {
try {
const auto loc = std::locale("en_US");
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
} catch (const std::runtime_error&) {
// locale not found; ignore
}
}
SECTION("GB locale") {
try {
const auto loc = std::locale("en_GB");
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 13:04:05");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
} catch (const std::runtime_error&) {
// locale not found; ignore
}
}
}
TEST_CASE("Format zoned time", "[clock][util]") {
const auto loc = std::locale("C");
const auto tm = date::zoned_time{"America/New_York", TEST_TIME};
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 08:04:05 2022 EST");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
/* Test a few locales that are most likely to be present */
SECTION("US locale") {
try {
const auto loc = std::locale("en_US");
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
} catch (const std::runtime_error&) {
// locale not found; ignore
}
}
SECTION("GB locale") {
try {
const auto loc = std::locale("en_GB");
REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 08:04:05");
REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
} catch (const std::runtime_error&) {
// locale not found; ignore
}
}
}