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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/fmt/test/chrono-test.cc | |
parent | Initial commit. (diff) | |
download | ceph-upstream/18.2.2.tar.xz ceph-upstream/18.2.2.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/fmt/test/chrono-test.cc | 643 |
1 files changed, 643 insertions, 0 deletions
diff --git a/src/fmt/test/chrono-test.cc b/src/fmt/test/chrono-test.cc new file mode 100644 index 000000000..0f2a2498e --- /dev/null +++ b/src/fmt/test/chrono-test.cc @@ -0,0 +1,643 @@ +// Formatting library for C++ - time formatting tests +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#include "fmt/chrono.h" + +#include <ctime> +#include <vector> + +#include "gtest-extra.h" // EXPECT_THROW_MSG +#include "util.h" // get_locale + +using fmt::runtime; + +using testing::Contains; + +auto make_tm() -> std::tm { + auto time = std::tm(); + time.tm_mday = 1; + return time; +} + +auto make_hour(int h) -> std::tm { + auto time = make_tm(); + time.tm_hour = h; + return time; +} + +auto make_minute(int m) -> std::tm { + auto time = make_tm(); + time.tm_min = m; + return time; +} + +auto make_second(int s) -> std::tm { + auto time = make_tm(); + time.tm_sec = s; + return time; +} + +std::string system_strftime(const std::string& format, const std::tm* timeptr, + std::locale* locptr = nullptr) { + auto loc = locptr ? *locptr : std::locale::classic(); + auto& facet = std::use_facet<std::time_put<char>>(loc); + std::ostringstream os; + os.imbue(loc); + facet.put(os, os, ' ', timeptr, format.c_str(), + format.c_str() + format.size()); +#ifdef _WIN32 + // Workaround a bug in older versions of Universal CRT. + auto str = os.str(); + if (str == "-0000") str = "+0000"; + return str; +#else + return os.str(); +#endif +} + +FMT_CONSTEXPR std::tm make_tm(int year, int mon, int mday, int hour, int min, + int sec) { + auto tm = std::tm(); + tm.tm_sec = sec; + tm.tm_min = min; + tm.tm_hour = hour; + tm.tm_mday = mday; + tm.tm_mon = mon - 1; + tm.tm_year = year - 1900; + return tm; +} + +TEST(chrono_test, format_tm) { + auto tm = std::tm(); + tm.tm_year = 116; + tm.tm_mon = 3; + tm.tm_mday = 25; + tm.tm_hour = 11; + tm.tm_min = 22; + tm.tm_sec = 33; + EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm), + "The date is 2016-04-25 11:22:33."); + EXPECT_EQ(fmt::format("{:%Y}", tm), "2016"); + EXPECT_EQ(fmt::format("{:%C}", tm), "20"); + EXPECT_EQ(fmt::format("{:%C%y}", tm), fmt::format("{:%Y}", tm)); + EXPECT_EQ(fmt::format("{:%e}", tm), "25"); + EXPECT_EQ(fmt::format("{:%D}", tm), "04/25/16"); + EXPECT_EQ(fmt::format("{:%F}", tm), "2016-04-25"); + EXPECT_EQ(fmt::format("{:%T}", tm), "11:22:33"); + + // Short year + tm.tm_year = 999 - 1900; + tm.tm_mon = 0; // for %G + tm.tm_mday = 2; // for %G + tm.tm_wday = 3; // for %G + tm.tm_yday = 1; // for %G + EXPECT_EQ(fmt::format("{:%Y}", tm), "0999"); + EXPECT_EQ(fmt::format("{:%C%y}", tm), "0999"); + EXPECT_EQ(fmt::format("{:%G}", tm), "0999"); + + tm.tm_year = 27 - 1900; + EXPECT_EQ(fmt::format("{:%Y}", tm), "0027"); + EXPECT_EQ(fmt::format("{:%C%y}", tm), "0027"); + + // Overflow year + tm.tm_year = 2147483647; + EXPECT_EQ(fmt::format("{:%Y}", tm), "2147485547"); + + tm.tm_year = -2147483648; + EXPECT_EQ(fmt::format("{:%Y}", tm), "-2147481748"); + + // for week on the year + // https://www.cl.cam.ac.uk/~mgk25/iso-time.html + std::vector<std::tm> tm_list = { + make_tm(1975, 12, 29, 12, 14, 16), // W01 + make_tm(1977, 1, 2, 12, 14, 16), // W53 + make_tm(1999, 12, 27, 12, 14, 16), // W52 + make_tm(1999, 12, 31, 12, 14, 16), // W52 + make_tm(2000, 1, 1, 12, 14, 16), // W52 + make_tm(2000, 1, 2, 12, 14, 16), // W52 + make_tm(2000, 1, 3, 12, 14, 16) // W1 + }; + +#if defined(__MINGW32__) && !defined(_UCRT) + GTEST_SKIP() << "Skip the rest of this test because it relies on strftime() " + "conforming to C99, but on this platform, MINGW + MSVCRT, " + "the function conforms only to C89."; +#endif + + const std::string iso_week_spec = "%Y-%m-%d: %G %g %V"; + for (auto ctm : tm_list) { + // Calculate tm_yday, tm_wday, etc. + std::time_t t = std::mktime(&ctm); + tm = *std::localtime(&t); + + auto fmt_spec = fmt::format("{{:{}}}", iso_week_spec); + EXPECT_EQ(system_strftime(iso_week_spec, &tm), + fmt::format(fmt::runtime(fmt_spec), tm)); + } + + // Every day from 1970-01-01 + std::time_t time_now = std::time(nullptr); + for (std::time_t t = 6 * 3600; t < time_now; t += 86400) { + tm = *std::localtime(&t); + + auto fmt_spec = fmt::format("{{:{}}}", iso_week_spec); + EXPECT_EQ(system_strftime(iso_week_spec, &tm), + fmt::format(fmt::runtime(fmt_spec), tm)); + } +} + +// MSVC: +// minkernel\crts\ucrt\src\appcrt\time\wcsftime.cpp(971) : Assertion failed: +// timeptr->tm_year >= -1900 && timeptr->tm_year <= 8099 +#ifndef _WIN32 +TEST(chrono_test, format_tm_future) { + auto tm = std::tm(); + tm.tm_year = 10445; // 10000+ years + tm.tm_mon = 3; + tm.tm_mday = 25; + tm.tm_hour = 11; + tm.tm_min = 22; + tm.tm_sec = 33; + EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm), + "The date is 12345-04-25 11:22:33."); + EXPECT_EQ(fmt::format("{:%Y}", tm), "12345"); + EXPECT_EQ(fmt::format("{:%C}", tm), "123"); + EXPECT_EQ(fmt::format("{:%C%y}", tm), fmt::format("{:%Y}", tm)); + EXPECT_EQ(fmt::format("{:%D}", tm), "04/25/45"); + EXPECT_EQ(fmt::format("{:%F}", tm), "12345-04-25"); + EXPECT_EQ(fmt::format("{:%T}", tm), "11:22:33"); +} + +TEST(chrono_test, format_tm_past) { + auto tm = std::tm(); + tm.tm_year = -2001; + tm.tm_mon = 3; + tm.tm_mday = 25; + tm.tm_hour = 11; + tm.tm_min = 22; + tm.tm_sec = 33; + EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm), + "The date is -101-04-25 11:22:33."); + EXPECT_EQ(fmt::format("{:%Y}", tm), "-101"); + + // macOS %C - "-1" + // Linux %C - "-2" + // fmt %C - "-1" + EXPECT_EQ(fmt::format("{:%C}", tm), "-1"); + EXPECT_EQ(fmt::format("{:%C%y}", tm), fmt::format("{:%Y}", tm)); + + // macOS %D - "04/25/01" (%y) + // Linux %D - "04/25/99" (%y) + // fmt %D - "04/25/01" (%y) + EXPECT_EQ(fmt::format("{:%D}", tm), "04/25/01"); + + EXPECT_EQ(fmt::format("{:%F}", tm), "-101-04-25"); + EXPECT_EQ(fmt::format("{:%T}", tm), "11:22:33"); + + tm.tm_year = -1901; // -1 + EXPECT_EQ(fmt::format("{:%Y}", tm), "-001"); + EXPECT_EQ(fmt::format("{:%C%y}", tm), fmt::format("{:%Y}", tm)); + + tm.tm_year = -1911; // -11 + EXPECT_EQ(fmt::format("{:%Y}", tm), "-011"); + EXPECT_EQ(fmt::format("{:%C%y}", tm), fmt::format("{:%Y}", tm)); +} +#endif + +TEST(chrono_test, grow_buffer) { + auto s = std::string("{:"); + for (int i = 0; i < 30; ++i) s += "%c"; + s += "}\n"; + auto t = std::time(nullptr); + (void)fmt::format(fmt::runtime(s), *std::localtime(&t)); +} + +TEST(chrono_test, format_to_empty_container) { + auto time = std::tm(); + time.tm_sec = 42; + auto s = std::string(); + fmt::format_to(std::back_inserter(s), "{:%S}", time); + EXPECT_EQ(s, "42"); +} + +TEST(chrono_test, empty_result) { EXPECT_EQ(fmt::format("{}", std::tm()), ""); } + +auto equal(const std::tm& lhs, const std::tm& rhs) -> bool { + return lhs.tm_sec == rhs.tm_sec && lhs.tm_min == rhs.tm_min && + lhs.tm_hour == rhs.tm_hour && lhs.tm_mday == rhs.tm_mday && + lhs.tm_mon == rhs.tm_mon && lhs.tm_year == rhs.tm_year && + lhs.tm_wday == rhs.tm_wday && lhs.tm_yday == rhs.tm_yday && + lhs.tm_isdst == rhs.tm_isdst; +} + +TEST(chrono_test, localtime) { + auto t = std::time(nullptr); + auto tm = *std::localtime(&t); + EXPECT_TRUE(equal(tm, fmt::localtime(t))); +} + +TEST(chrono_test, gmtime) { + auto t = std::time(nullptr); + auto tm = *std::gmtime(&t); + EXPECT_TRUE(equal(tm, fmt::gmtime(t))); +} + +template <typename TimePoint> auto strftime_full(TimePoint tp) -> std::string { + auto t = std::chrono::system_clock::to_time_t(tp); + auto tm = *std::localtime(&t); + return system_strftime("%Y-%m-%d %H:%M:%S", &tm); +} + +TEST(chrono_test, time_point) { + auto t1 = std::chrono::system_clock::now(); + EXPECT_EQ(strftime_full(t1), fmt::format("{:%Y-%m-%d %H:%M:%S}", t1)); + EXPECT_EQ(strftime_full(t1), fmt::format("{}", t1)); + using time_point = + std::chrono::time_point<std::chrono::system_clock, std::chrono::seconds>; + auto t2 = time_point(std::chrono::seconds(42)); + EXPECT_EQ(strftime_full(t2), fmt::format("{:%Y-%m-%d %H:%M:%S}", t2)); + + std::vector<std::string> spec_list = { + "%%", "%n", "%t", "%Y", "%EY", "%y", "%Oy", "%Ey", "%C", + "%EC", "%G", "%g", "%b", "%h", "%B", "%m", "%Om", "%U", + "%OU", "%W", "%OW", "%V", "%OV", "%j", "%d", "%Od", "%e", + "%Oe", "%a", "%A", "%w", "%Ow", "%u", "%Ou", "%H", "%OH", + "%I", "%OI", "%M", "%OM", "%S", "%OS", "%x", "%Ex", "%X", + "%EX", "%D", "%F", "%R", "%T", "%p", "%z", "%Z"}; +#ifndef _WIN32 + // Disabled on Windows because these formats are not consistent among + // platforms. + spec_list.insert(spec_list.end(), {"%c", "%Ec", "%r"}); +#elif defined(__MINGW32__) && !defined(_UCRT) + // Only C89 conversion specifiers when using MSVCRT instead of UCRT + spec_list = {"%%", "%Y", "%y", "%b", "%B", "%m", "%U", "%W", "%j", "%d", "%a", + "%A", "%w", "%H", "%I", "%M", "%S", "%x", "%X", "%p", "%Z"}; +#endif + spec_list.push_back("%Y-%m-%d %H:%M:%S"); + + for (const auto& spec : spec_list) { + auto t = std::chrono::system_clock::to_time_t(t1); + auto tm = *std::localtime(&t); + + auto sys_output = system_strftime(spec, &tm); + + auto fmt_spec = fmt::format("{{:{}}}", spec); + EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), t1)); + EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), tm)); + } +} + +#ifndef FMT_STATIC_THOUSANDS_SEPARATOR + +TEST(chrono_test, format_default) { + EXPECT_EQ("42s", fmt::format("{}", std::chrono::seconds(42))); + EXPECT_EQ("42as", + fmt::format("{}", std::chrono::duration<int, std::atto>(42))); + EXPECT_EQ("42fs", + fmt::format("{}", std::chrono::duration<int, std::femto>(42))); + EXPECT_EQ("42ps", + fmt::format("{}", std::chrono::duration<int, std::pico>(42))); + EXPECT_EQ("42ns", fmt::format("{}", std::chrono::nanoseconds(42))); + EXPECT_EQ("42µs", fmt::format("{}", std::chrono::microseconds(42))); + EXPECT_EQ("42ms", fmt::format("{}", std::chrono::milliseconds(42))); + EXPECT_EQ("42cs", + fmt::format("{}", std::chrono::duration<int, std::centi>(42))); + EXPECT_EQ("42ds", + fmt::format("{}", std::chrono::duration<int, std::deci>(42))); + EXPECT_EQ("42s", fmt::format("{}", std::chrono::seconds(42))); + EXPECT_EQ("42das", + fmt::format("{}", std::chrono::duration<int, std::deca>(42))); + EXPECT_EQ("42hs", + fmt::format("{}", std::chrono::duration<int, std::hecto>(42))); + EXPECT_EQ("42ks", + fmt::format("{}", std::chrono::duration<int, std::kilo>(42))); + EXPECT_EQ("42Ms", + fmt::format("{}", std::chrono::duration<int, std::mega>(42))); + EXPECT_EQ("42Gs", + fmt::format("{}", std::chrono::duration<int, std::giga>(42))); + EXPECT_EQ("42Ts", + fmt::format("{}", std::chrono::duration<int, std::tera>(42))); + EXPECT_EQ("42Ps", + fmt::format("{}", std::chrono::duration<int, std::peta>(42))); + EXPECT_EQ("42Es", + fmt::format("{}", std::chrono::duration<int, std::exa>(42))); + EXPECT_EQ("42m", fmt::format("{}", std::chrono::minutes(42))); + EXPECT_EQ("42h", fmt::format("{}", std::chrono::hours(42))); + EXPECT_EQ( + "42[15]s", + fmt::format("{}", std::chrono::duration<int, std::ratio<15, 1>>(42))); + EXPECT_EQ( + "42[15/4]s", + fmt::format("{}", std::chrono::duration<int, std::ratio<15, 4>>(42))); +} + +TEST(chrono_test, align) { + auto s = std::chrono::seconds(42); + EXPECT_EQ("42s ", fmt::format("{:5}", s)); + EXPECT_EQ("42s ", fmt::format("{:{}}", s, 5)); + EXPECT_EQ(" 42s", fmt::format("{:>5}", s)); + EXPECT_EQ("**42s**", fmt::format("{:*^7}", s)); + EXPECT_EQ("03:25:45 ", + fmt::format("{:12%H:%M:%S}", std::chrono::seconds(12345))); + EXPECT_EQ(" 03:25:45", + fmt::format("{:>12%H:%M:%S}", std::chrono::seconds(12345))); + EXPECT_EQ("~~03:25:45~~", + fmt::format("{:~^12%H:%M:%S}", std::chrono::seconds(12345))); + EXPECT_EQ("03:25:45 ", + fmt::format("{:{}%H:%M:%S}", std::chrono::seconds(12345), 12)); +} + +TEST(chrono_test, format_specs) { + EXPECT_EQ("%", fmt::format("{:%%}", std::chrono::seconds(0))); + EXPECT_EQ("\n", fmt::format("{:%n}", std::chrono::seconds(0))); + EXPECT_EQ("\t", fmt::format("{:%t}", std::chrono::seconds(0))); + EXPECT_EQ("00", fmt::format("{:%S}", std::chrono::seconds(0))); + EXPECT_EQ("00", fmt::format("{:%S}", std::chrono::seconds(60))); + EXPECT_EQ("42", fmt::format("{:%S}", std::chrono::seconds(42))); + EXPECT_EQ("01.234", fmt::format("{:%S}", std::chrono::milliseconds(1234))); + EXPECT_EQ("00", fmt::format("{:%M}", std::chrono::minutes(0))); + EXPECT_EQ("00", fmt::format("{:%M}", std::chrono::minutes(60))); + EXPECT_EQ("42", fmt::format("{:%M}", std::chrono::minutes(42))); + EXPECT_EQ("01", fmt::format("{:%M}", std::chrono::seconds(61))); + EXPECT_EQ("00", fmt::format("{:%H}", std::chrono::hours(0))); + EXPECT_EQ("00", fmt::format("{:%H}", std::chrono::hours(24))); + EXPECT_EQ("14", fmt::format("{:%H}", std::chrono::hours(14))); + EXPECT_EQ("01", fmt::format("{:%H}", std::chrono::minutes(61))); + EXPECT_EQ("12", fmt::format("{:%I}", std::chrono::hours(0))); + EXPECT_EQ("12", fmt::format("{:%I}", std::chrono::hours(12))); + EXPECT_EQ("12", fmt::format("{:%I}", std::chrono::hours(24))); + EXPECT_EQ("04", fmt::format("{:%I}", std::chrono::hours(4))); + EXPECT_EQ("02", fmt::format("{:%I}", std::chrono::hours(14))); + EXPECT_EQ("03:25:45", + fmt::format("{:%H:%M:%S}", std::chrono::seconds(12345))); + EXPECT_EQ("03:25", fmt::format("{:%R}", std::chrono::seconds(12345))); + EXPECT_EQ("03:25:45", fmt::format("{:%T}", std::chrono::seconds(12345))); + EXPECT_EQ("12345", fmt::format("{:%Q}", std::chrono::seconds(12345))); + EXPECT_EQ("s", fmt::format("{:%q}", std::chrono::seconds(12345))); +} + +TEST(chrono_test, invalid_specs) { + auto sec = std::chrono::seconds(0); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%a}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%A}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%c}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%x}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%Ex}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%X}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%EX}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%D}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%F}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%Ec}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%w}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%u}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%b}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%B}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%z}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%Z}"), sec), fmt::format_error, + "no date"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%Eq}"), sec), fmt::format_error, + "invalid format"); + EXPECT_THROW_MSG((void)fmt::format(runtime("{:%Oq}"), sec), fmt::format_error, + "invalid format"); +} + +auto format_tm(const std::tm& time, fmt::string_view spec, + const std::locale& loc) -> std::string { + auto& facet = std::use_facet<std::time_put<char>>(loc); + std::ostringstream os; + os.imbue(loc); + facet.put(os, os, ' ', &time, spec.begin(), spec.end()); + return os.str(); +} + +TEST(chrono_test, locale) { + auto loc = get_locale("ja_JP.utf8"); + if (loc == std::locale::classic()) return; +# define EXPECT_TIME(spec, time, duration) \ + { \ + auto jp_loc = std::locale("ja_JP.utf8"); \ + EXPECT_EQ(format_tm(time, spec, jp_loc), \ + fmt::format(jp_loc, "{:L" spec "}", duration)); \ + } + EXPECT_TIME("%OH", make_hour(14), std::chrono::hours(14)); + EXPECT_TIME("%OI", make_hour(14), std::chrono::hours(14)); + EXPECT_TIME("%OM", make_minute(42), std::chrono::minutes(42)); + EXPECT_TIME("%OS", make_second(42), std::chrono::seconds(42)); + auto time = make_tm(); + time.tm_hour = 3; + time.tm_min = 25; + time.tm_sec = 45; + auto sec = std::chrono::seconds(12345); + EXPECT_TIME("%r", time, sec); + EXPECT_TIME("%p", time, sec); +} + +using dms = std::chrono::duration<double, std::milli>; + +TEST(chrono_test, format_default_fp) { + typedef std::chrono::duration<float> fs; + EXPECT_EQ("1.234s", fmt::format("{}", fs(1.234))); + typedef std::chrono::duration<float, std::milli> fms; + EXPECT_EQ("1.234ms", fmt::format("{}", fms(1.234))); + typedef std::chrono::duration<double> ds; + EXPECT_EQ("1.234s", fmt::format("{}", ds(1.234))); + EXPECT_EQ("1.234ms", fmt::format("{}", dms(1.234))); +} + +TEST(chrono_test, format_precision) { + EXPECT_THROW_MSG( + (void)fmt::format(runtime("{:.2}"), std::chrono::seconds(42)), + fmt::format_error, "precision not allowed for this argument type"); + EXPECT_EQ("1ms", fmt::format("{:.0}", dms(1.234))); + EXPECT_EQ("1.2ms", fmt::format("{:.1}", dms(1.234))); + EXPECT_EQ("1.23ms", fmt::format("{:.{}}", dms(1.234), 2)); + + EXPECT_EQ("13ms", fmt::format("{:.0}", dms(12.56))); + EXPECT_EQ("12.6ms", fmt::format("{:.1}", dms(12.56))); + EXPECT_EQ("12.56ms", fmt::format("{:.2}", dms(12.56))); +} + +TEST(chrono_test, format_full_specs) { + EXPECT_EQ("1ms ", fmt::format("{:6.0}", dms(1.234))); + EXPECT_EQ("1.2ms ", fmt::format("{:6.1}", dms(1.234))); + EXPECT_EQ(" 1.23ms", fmt::format("{:>8.{}}", dms(1.234), 2)); + EXPECT_EQ(" 1.2ms ", fmt::format("{:^{}.{}}", dms(1.234), 7, 1)); + EXPECT_EQ(" 1.23ms ", fmt::format("{0:^{2}.{1}}", dms(1.234), 2, 8)); + EXPECT_EQ("=1.234ms=", fmt::format("{:=^{}.{}}", dms(1.234), 9, 3)); + EXPECT_EQ("*1.2340ms*", fmt::format("{:*^10.4}", dms(1.234))); + + EXPECT_EQ("13ms ", fmt::format("{:6.0}", dms(12.56))); + EXPECT_EQ(" 13ms", fmt::format("{:>8.{}}", dms(12.56), 0)); + EXPECT_EQ(" 13ms ", fmt::format("{:^{}.{}}", dms(12.56), 6, 0)); + EXPECT_EQ(" 13ms ", fmt::format("{0:^{2}.{1}}", dms(12.56), 0, 8)); + EXPECT_EQ("==13ms===", fmt::format("{:=^{}.{}}", dms(12.56), 9, 0)); + EXPECT_EQ("***13ms***", fmt::format("{:*^10.0}", dms(12.56))); +} + +TEST(chrono_test, format_simple_q) { + typedef std::chrono::duration<float> fs; + EXPECT_EQ("1.234 s", fmt::format("{:%Q %q}", fs(1.234))); + typedef std::chrono::duration<float, std::milli> fms; + EXPECT_EQ("1.234 ms", fmt::format("{:%Q %q}", fms(1.234))); + typedef std::chrono::duration<double> ds; + EXPECT_EQ("1.234 s", fmt::format("{:%Q %q}", ds(1.234))); + EXPECT_EQ("1.234 ms", fmt::format("{:%Q %q}", dms(1.234))); +} + +TEST(chrono_test, format_precision_q) { + EXPECT_THROW_MSG( + (void)fmt::format(runtime("{:.2%Q %q}"), std::chrono::seconds(42)), + fmt::format_error, "precision not allowed for this argument type"); + EXPECT_EQ("1.2 ms", fmt::format("{:.1%Q %q}", dms(1.234))); + EXPECT_EQ("1.23 ms", fmt::format("{:.{}%Q %q}", dms(1.234), 2)); +} + +TEST(chrono_test, format_full_specs_q) { + EXPECT_EQ("1 ms ", fmt::format("{:7.0%Q %q}", dms(1.234))); + EXPECT_EQ("1.2 ms ", fmt::format("{:7.1%Q %q}", dms(1.234))); + EXPECT_EQ(" 1.23 ms", fmt::format("{:>8.{}%Q %q}", dms(1.234), 2)); + EXPECT_EQ(" 1.2 ms ", fmt::format("{:^{}.{}%Q %q}", dms(1.234), 8, 1)); + EXPECT_EQ(" 1.23 ms ", fmt::format("{0:^{2}.{1}%Q %q}", dms(1.234), 2, 9)); + EXPECT_EQ("=1.234 ms=", fmt::format("{:=^{}.{}%Q %q}", dms(1.234), 10, 3)); + EXPECT_EQ("*1.2340 ms*", fmt::format("{:*^11.4%Q %q}", dms(1.234))); + + EXPECT_EQ("13 ms ", fmt::format("{:7.0%Q %q}", dms(12.56))); + EXPECT_EQ(" 13 ms", fmt::format("{:>8.{}%Q %q}", dms(12.56), 0)); + EXPECT_EQ(" 13 ms ", fmt::format("{:^{}.{}%Q %q}", dms(12.56), 8, 0)); + EXPECT_EQ(" 13 ms ", fmt::format("{0:^{2}.{1}%Q %q}", dms(12.56), 0, 9)); + EXPECT_EQ("==13 ms==", fmt::format("{:=^{}.{}%Q %q}", dms(12.56), 9, 0)); + EXPECT_EQ("***13 ms***", fmt::format("{:*^11.0%Q %q}", dms(12.56))); +} + +TEST(chrono_test, invalid_width_id) { + EXPECT_THROW((void)fmt::format(runtime("{:{o}"), std::chrono::seconds(0)), + fmt::format_error); +} + +TEST(chrono_test, invalid_colons) { + EXPECT_THROW((void)fmt::format(runtime("{0}=:{0::"), std::chrono::seconds(0)), + fmt::format_error); +} + +TEST(chrono_test, negative_durations) { + EXPECT_EQ("-12345", fmt::format("{:%Q}", std::chrono::seconds(-12345))); + EXPECT_EQ("-03:25:45", + fmt::format("{:%H:%M:%S}", std::chrono::seconds(-12345))); + EXPECT_EQ("-00:01", + fmt::format("{:%M:%S}", std::chrono::duration<double>(-1))); + EXPECT_EQ("s", fmt::format("{:%q}", std::chrono::seconds(-12345))); + EXPECT_EQ("-00.127", + fmt::format("{:%S}", + std::chrono::duration<signed char, std::milli>{-127})); + auto min = std::numeric_limits<int>::min(); + EXPECT_EQ(fmt::format("{}", min), + fmt::format("{:%Q}", std::chrono::duration<int>(min))); +} + +TEST(chrono_test, special_durations) { + auto value = fmt::format("{:%S}", std::chrono::duration<double>(1e20)); + EXPECT_EQ(value, "40"); + auto nan = std::numeric_limits<double>::quiet_NaN(); + EXPECT_EQ( + "nan nan nan nan nan:nan nan", + fmt::format("{:%I %H %M %S %R %r}", std::chrono::duration<double>(nan))); + EXPECT_EQ(fmt::format("{}", std::chrono::duration<float, std::exa>(1)), + "1Es"); + EXPECT_EQ(fmt::format("{}", std::chrono::duration<float, std::atto>(1)), + "1as"); + EXPECT_EQ(fmt::format("{:%R}", std::chrono::duration<char, std::mega>{2}), + "03:33"); + EXPECT_EQ(fmt::format("{:%T}", std::chrono::duration<char, std::mega>{2}), + "03:33:20"); + EXPECT_EQ("44.000000000000", + fmt::format("{:%S}", std::chrono::duration<float, std::pico>( + 1.54213895E+26))); +} + +TEST(chrono_test, unsigned_duration) { + EXPECT_EQ("42s", fmt::format("{}", std::chrono::duration<unsigned>(42))); +} + +TEST(chrono_test, weekday) { + auto loc = get_locale("ru_RU.UTF-8"); + std::locale::global(loc); + auto mon = fmt::weekday(1); + + auto tm = std::tm(); + tm.tm_wday = static_cast<int>(mon.c_encoding()); + + EXPECT_EQ(fmt::format("{}", mon), "Mon"); + EXPECT_EQ(fmt::format("{:%a}", tm), "Mon"); + + if (loc != std::locale::classic()) { + EXPECT_THAT((std::vector<std::string>{"пн", "Пн", "пнд", "Пнд"}), + Contains(fmt::format(loc, "{:L}", mon))); + EXPECT_THAT((std::vector<std::string>{"пн", "Пн", "пнд", "Пнд"}), + Contains(fmt::format(loc, "{:%a}", tm))); + } +} + +TEST(chrono_test, cpp20_duration_subsecond_support) { + using attoseconds = std::chrono::duration<long long, std::atto>; + // Check that 18 digits of subsecond precision are supported. + EXPECT_EQ(fmt::format("{:%S}", attoseconds{999999999999999999}), + "00.999999999999999999"); + EXPECT_EQ(fmt::format("{:%S}", attoseconds{673231113420148734}), + "00.673231113420148734"); + EXPECT_EQ(fmt::format("{:%S}", attoseconds{-673231113420148734}), + "-00.673231113420148734"); + EXPECT_EQ(fmt::format("{:%S}", std::chrono::nanoseconds{13420148734}), + "13.420148734"); + EXPECT_EQ(fmt::format("{:%S}", std::chrono::nanoseconds{-13420148734}), + "-13.420148734"); + EXPECT_EQ(fmt::format("{:%S}", std::chrono::milliseconds{1234}), "01.234"); + { + // Check that {:%H:%M:%S} is equivalent to {:%T}. + auto dur = std::chrono::milliseconds{3601234}; + auto formatted_dur = fmt::format("{:%T}", dur); + EXPECT_EQ(formatted_dur, "01:00:01.234"); + EXPECT_EQ(fmt::format("{:%H:%M:%S}", dur), formatted_dur); + } + using nanoseconds_dbl = std::chrono::duration<double, std::nano>; + EXPECT_EQ(fmt::format("{:%S}", nanoseconds_dbl{-123456789}), "-00.123456789"); + EXPECT_EQ(fmt::format("{:%S}", nanoseconds_dbl{9123456789}), "09.123456789"); + // Verify that only the seconds part is extracted and printed. + EXPECT_EQ(fmt::format("{:%S}", nanoseconds_dbl{99123456789}), "39.123456789"); + EXPECT_EQ(fmt::format("{:%S}", nanoseconds_dbl{99123000000}), "39.123000000"); + { + // Now the hour is printed, and we also test if negative doubles work. + auto dur = nanoseconds_dbl{-99123456789}; + auto formatted_dur = fmt::format("{:%T}", dur); + EXPECT_EQ(formatted_dur, "-00:01:39.123456789"); + EXPECT_EQ(fmt::format("{:%H:%M:%S}", dur), formatted_dur); + } + // Check that durations with precision greater than std::chrono::seconds have + // fixed precision, and print zeros even if there is no fractional part. + EXPECT_EQ(fmt::format("{:%S}", std::chrono::microseconds{7000000}), + "07.000000"); + EXPECT_EQ(fmt::format("{:%S}", std::chrono::duration<long long, std::ratio<1, 3>>(1)), + "00.333333"); + EXPECT_EQ(fmt::format("{:%S}", std::chrono::duration<long long, std::ratio<1, 7>>(1)), + "00.142857"); +} + +#endif // FMT_STATIC_THOUSANDS_SEPARATOR |