95 lines
3.6 KiB
C++
95 lines
3.6 KiB
C++
#include "util/date.hpp"
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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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using namespace std::literals::chrono_literals;
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/*
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* Check that the date/time formatter with locale and timezone support is working as expected.
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*/
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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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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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/* 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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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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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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} catch (const std::runtime_error&) {
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// locale not found; ignore
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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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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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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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} catch (const std::runtime_error&) {
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// locale not found; ignore
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}
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}
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}
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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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/* 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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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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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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} catch (const std::runtime_error&) {
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// locale not found; ignore
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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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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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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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} catch (const std::runtime_error&) {
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// locale not found; ignore
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}
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}
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}
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