mirror of
https://github.com/fmtlib/fmt.git
synced 2024-11-02 11:28:20 +00:00
342 lines
13 KiB
C++
342 lines
13 KiB
C++
// Formatting library for C++ - time formatting tests
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//
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// Copyright (c) 2012 - present, Victor Zverovich
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#ifdef WIN32
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# define _CRT_SECURE_NO_WARNINGS
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#endif
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#include "fmt/chrono.h"
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#include "gtest-extra.h"
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#include <iomanip>
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std::tm make_tm() {
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auto time = std::tm();
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time.tm_mday = 1;
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return time;
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}
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std::tm make_hour(int h) {
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auto time = make_tm();
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time.tm_hour = h;
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return time;
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}
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std::tm make_minute(int m) {
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auto time = make_tm();
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time.tm_min = m;
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return time;
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}
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std::tm make_second(int s) {
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auto time = make_tm();
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time.tm_sec = s;
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return time;
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}
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std::string format_tm(const std::tm& time, const char* spec,
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const std::locale& loc) {
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auto& facet = std::use_facet<std::time_put<char>>(loc);
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std::ostringstream os;
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os.imbue(loc);
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facet.put(os, os, ' ', &time, spec, spec + std::strlen(spec));
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return os.str();
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}
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TEST(TimeTest, Format) {
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std::tm tm = std::tm();
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tm.tm_year = 116;
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tm.tm_mon = 3;
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tm.tm_mday = 25;
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EXPECT_EQ("The date is 2016-04-25.",
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fmt::format("The date is {:%Y-%m-%d}.", tm));
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}
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TEST(TimeTest, GrowBuffer) {
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std::string s = "{:";
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for (int i = 0; i < 30; ++i) s += "%c";
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s += "}\n";
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std::time_t t = std::time(nullptr);
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fmt::format(s, *std::localtime(&t));
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}
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TEST(TimeTest, FormatToEmptyContainer) {
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std::string s;
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auto time = std::tm();
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time.tm_sec = 42;
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fmt::format_to(std::back_inserter(s), "{:%S}", time);
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EXPECT_EQ(s, "42");
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}
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TEST(TimeTest, EmptyResult) { EXPECT_EQ("", fmt::format("{}", std::tm())); }
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static bool EqualTime(const std::tm& lhs, const std::tm& rhs) {
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return lhs.tm_sec == rhs.tm_sec && lhs.tm_min == rhs.tm_min &&
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lhs.tm_hour == rhs.tm_hour && lhs.tm_mday == rhs.tm_mday &&
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lhs.tm_mon == rhs.tm_mon && lhs.tm_year == rhs.tm_year &&
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lhs.tm_wday == rhs.tm_wday && lhs.tm_yday == rhs.tm_yday &&
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lhs.tm_isdst == rhs.tm_isdst;
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}
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TEST(TimeTest, LocalTime) {
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std::time_t t = std::time(nullptr);
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std::tm tm = *std::localtime(&t);
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EXPECT_TRUE(EqualTime(tm, fmt::localtime(t)));
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}
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TEST(TimeTest, GMTime) {
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std::time_t t = std::time(nullptr);
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std::tm tm = *std::gmtime(&t);
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EXPECT_TRUE(EqualTime(tm, fmt::gmtime(t)));
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}
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#define EXPECT_TIME(spec, time, duration) \
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{ \
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std::locale loc("ja_JP.utf8"); \
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EXPECT_EQ(format_tm(time, spec, loc), \
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fmt::format(loc, "{:" spec "}", duration)); \
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}
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#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
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TEST(ChronoTest, FormatDefault) {
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EXPECT_EQ("42s", fmt::format("{}", std::chrono::seconds(42)));
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EXPECT_EQ("42as",
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fmt::format("{}", std::chrono::duration<int, std::atto>(42)));
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EXPECT_EQ("42fs",
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fmt::format("{}", std::chrono::duration<int, std::femto>(42)));
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EXPECT_EQ("42ps",
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fmt::format("{}", std::chrono::duration<int, std::pico>(42)));
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EXPECT_EQ("42ns", fmt::format("{}", std::chrono::nanoseconds(42)));
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EXPECT_EQ("42µs", fmt::format("{}", std::chrono::microseconds(42)));
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EXPECT_EQ("42ms", fmt::format("{}", std::chrono::milliseconds(42)));
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EXPECT_EQ("42cs",
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fmt::format("{}", std::chrono::duration<int, std::centi>(42)));
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EXPECT_EQ("42ds",
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fmt::format("{}", std::chrono::duration<int, std::deci>(42)));
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EXPECT_EQ("42s", fmt::format("{}", std::chrono::seconds(42)));
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EXPECT_EQ("42das",
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fmt::format("{}", std::chrono::duration<int, std::deca>(42)));
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EXPECT_EQ("42hs",
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fmt::format("{}", std::chrono::duration<int, std::hecto>(42)));
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EXPECT_EQ("42ks",
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fmt::format("{}", std::chrono::duration<int, std::kilo>(42)));
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EXPECT_EQ("42Ms",
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fmt::format("{}", std::chrono::duration<int, std::mega>(42)));
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EXPECT_EQ("42Gs",
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fmt::format("{}", std::chrono::duration<int, std::giga>(42)));
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EXPECT_EQ("42Ts",
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fmt::format("{}", std::chrono::duration<int, std::tera>(42)));
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EXPECT_EQ("42Ps",
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fmt::format("{}", std::chrono::duration<int, std::peta>(42)));
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EXPECT_EQ("42Es",
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fmt::format("{}", std::chrono::duration<int, std::exa>(42)));
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EXPECT_EQ("42m", fmt::format("{}", std::chrono::minutes(42)));
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EXPECT_EQ("42h", fmt::format("{}", std::chrono::hours(42)));
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EXPECT_EQ(
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"42[15]s",
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fmt::format("{}", std::chrono::duration<int, std::ratio<15, 1>>(42)));
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EXPECT_EQ(
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"42[15/4]s",
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fmt::format("{}", std::chrono::duration<int, std::ratio<15, 4>>(42)));
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}
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TEST(ChronoTest, Align) {
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auto s = std::chrono::seconds(42);
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EXPECT_EQ("42s ", fmt::format("{:5}", s));
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EXPECT_EQ("42s ", fmt::format("{:{}}", s, 5));
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EXPECT_EQ(" 42s", fmt::format("{:>5}", s));
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EXPECT_EQ("**42s**", fmt::format("{:*^7}", s));
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EXPECT_EQ("03:25:45 ",
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fmt::format("{:12%H:%M:%S}", std::chrono::seconds(12345)));
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EXPECT_EQ(" 03:25:45",
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fmt::format("{:>12%H:%M:%S}", std::chrono::seconds(12345)));
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EXPECT_EQ("~~03:25:45~~",
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fmt::format("{:~^12%H:%M:%S}", std::chrono::seconds(12345)));
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EXPECT_EQ("03:25:45 ",
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fmt::format("{:{}%H:%M:%S}", std::chrono::seconds(12345), 12));
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}
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TEST(ChronoTest, FormatSpecs) {
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EXPECT_EQ("%", fmt::format("{:%%}", std::chrono::seconds(0)));
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EXPECT_EQ("\n", fmt::format("{:%n}", std::chrono::seconds(0)));
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EXPECT_EQ("\t", fmt::format("{:%t}", std::chrono::seconds(0)));
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EXPECT_EQ("00", fmt::format("{:%S}", std::chrono::seconds(0)));
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EXPECT_EQ("00", fmt::format("{:%S}", std::chrono::seconds(60)));
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EXPECT_EQ("42", fmt::format("{:%S}", std::chrono::seconds(42)));
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EXPECT_EQ("01.234", fmt::format("{:%S}", std::chrono::milliseconds(1234)));
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EXPECT_EQ("00", fmt::format("{:%M}", std::chrono::minutes(0)));
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EXPECT_EQ("00", fmt::format("{:%M}", std::chrono::minutes(60)));
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EXPECT_EQ("42", fmt::format("{:%M}", std::chrono::minutes(42)));
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EXPECT_EQ("01", fmt::format("{:%M}", std::chrono::seconds(61)));
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EXPECT_EQ("00", fmt::format("{:%H}", std::chrono::hours(0)));
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EXPECT_EQ("00", fmt::format("{:%H}", std::chrono::hours(24)));
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EXPECT_EQ("14", fmt::format("{:%H}", std::chrono::hours(14)));
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EXPECT_EQ("01", fmt::format("{:%H}", std::chrono::minutes(61)));
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EXPECT_EQ("12", fmt::format("{:%I}", std::chrono::hours(0)));
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EXPECT_EQ("12", fmt::format("{:%I}", std::chrono::hours(12)));
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EXPECT_EQ("12", fmt::format("{:%I}", std::chrono::hours(24)));
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EXPECT_EQ("04", fmt::format("{:%I}", std::chrono::hours(4)));
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EXPECT_EQ("02", fmt::format("{:%I}", std::chrono::hours(14)));
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EXPECT_EQ("03:25:45",
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fmt::format("{:%H:%M:%S}", std::chrono::seconds(12345)));
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EXPECT_EQ("03:25", fmt::format("{:%R}", std::chrono::seconds(12345)));
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EXPECT_EQ("03:25:45", fmt::format("{:%T}", std::chrono::seconds(12345)));
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EXPECT_EQ("12345", fmt::format("{:%Q}", std::chrono::seconds(12345)));
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EXPECT_EQ("s", fmt::format("{:%q}", std::chrono::seconds(12345)));
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}
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TEST(ChronoTest, InvalidSpecs) {
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auto sec = std::chrono::seconds(0);
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EXPECT_THROW_MSG(fmt::format("{:%a}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%A}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%c}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%x}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%Ex}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%X}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%EX}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%D}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%F}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%Ec}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%w}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%u}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%b}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%B}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%z}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%Z}", sec), fmt::format_error, "no date");
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EXPECT_THROW_MSG(fmt::format("{:%Eq}", sec), fmt::format_error,
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"invalid format");
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EXPECT_THROW_MSG(fmt::format("{:%Oq}", sec), fmt::format_error,
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"invalid format");
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}
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TEST(ChronoTest, Locale) {
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const char* loc_name = "ja_JP.utf8";
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bool has_locale = false;
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std::locale loc;
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try {
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loc = std::locale(loc_name);
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has_locale = true;
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} catch (const std::runtime_error&) {
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}
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if (!has_locale) {
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fmt::print("{} locale is missing.\n", loc_name);
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return;
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}
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EXPECT_TIME("%OH", make_hour(14), std::chrono::hours(14));
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EXPECT_TIME("%OI", make_hour(14), std::chrono::hours(14));
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EXPECT_TIME("%OM", make_minute(42), std::chrono::minutes(42));
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EXPECT_TIME("%OS", make_second(42), std::chrono::seconds(42));
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auto time = make_tm();
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time.tm_hour = 3;
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time.tm_min = 25;
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time.tm_sec = 45;
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auto sec = std::chrono::seconds(12345);
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EXPECT_TIME("%r", time, sec);
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EXPECT_TIME("%p", time, sec);
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}
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typedef std::chrono::duration<double, std::milli> dms;
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TEST(ChronoTest, FormatDefaultFP) {
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typedef std::chrono::duration<float> fs;
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EXPECT_EQ("1.234s", fmt::format("{}", fs(1.234)));
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typedef std::chrono::duration<float, std::milli> fms;
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EXPECT_EQ("1.234ms", fmt::format("{}", fms(1.234)));
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typedef std::chrono::duration<double> ds;
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EXPECT_EQ("1.234s", fmt::format("{}", ds(1.234)));
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EXPECT_EQ("1.234ms", fmt::format("{}", dms(1.234)));
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}
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TEST(ChronoTest, FormatPrecision) {
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EXPECT_THROW_MSG(fmt::format("{:.2}", std::chrono::seconds(42)),
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fmt::format_error,
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"precision not allowed for this argument type");
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EXPECT_EQ("1.2ms", fmt::format("{:.1}", dms(1.234)));
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EXPECT_EQ("1.23ms", fmt::format("{:.{}}", dms(1.234), 2));
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}
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TEST(ChronoTest, FormatFullSpecs) {
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EXPECT_EQ("1.2ms ", fmt::format("{:6.1}", dms(1.234)));
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EXPECT_EQ(" 1.23ms", fmt::format("{:>8.{}}", dms(1.234), 2));
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EXPECT_EQ(" 1.2ms ", fmt::format("{:^{}.{}}", dms(1.234), 7, 1));
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EXPECT_EQ(" 1.23ms ", fmt::format("{0:^{2}.{1}}", dms(1.234), 2, 8));
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EXPECT_EQ("=1.234ms=", fmt::format("{:=^{}.{}}", dms(1.234), 9, 3));
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EXPECT_EQ("*1.2340ms*", fmt::format("{:*^10.4}", dms(1.234)));
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}
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TEST(ChronoTest, FormatSimpleQq) {
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typedef std::chrono::duration<float> fs;
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EXPECT_EQ("1.234 s", fmt::format("{:%Q %q}", fs(1.234)));
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typedef std::chrono::duration<float, std::milli> fms;
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EXPECT_EQ("1.234 ms", fmt::format("{:%Q %q}", fms(1.234)));
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typedef std::chrono::duration<double> ds;
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EXPECT_EQ("1.234 s", fmt::format("{:%Q %q}", ds(1.234)));
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EXPECT_EQ("1.234 ms", fmt::format("{:%Q %q}", dms(1.234)));
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}
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TEST(ChronoTest, FormatPrecisionQq) {
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EXPECT_THROW_MSG(fmt::format("{:.2%Q %q}", std::chrono::seconds(42)),
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fmt::format_error,
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"precision not allowed for this argument type");
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EXPECT_EQ("1.2 ms", fmt::format("{:.1%Q %q}", dms(1.234)));
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EXPECT_EQ("1.23 ms", fmt::format("{:.{}%Q %q}", dms(1.234), 2));
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}
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TEST(ChronoTest, FormatFullSpecsQq) {
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EXPECT_EQ("1.2 ms ", fmt::format("{:7.1%Q %q}", dms(1.234)));
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EXPECT_EQ(" 1.23 ms", fmt::format("{:>8.{}%Q %q}", dms(1.234), 2));
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EXPECT_EQ(" 1.2 ms ", fmt::format("{:^{}.{}%Q %q}", dms(1.234), 8, 1));
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EXPECT_EQ(" 1.23 ms ", fmt::format("{0:^{2}.{1}%Q %q}", dms(1.234), 2, 9));
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EXPECT_EQ("=1.234 ms=", fmt::format("{:=^{}.{}%Q %q}", dms(1.234), 10, 3));
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EXPECT_EQ("*1.2340 ms*", fmt::format("{:*^11.4%Q %q}", dms(1.234)));
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}
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TEST(ChronoTest, InvalidWidthId) {
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EXPECT_THROW(fmt::format("{:{o}", std::chrono::seconds(0)),
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fmt::format_error);
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}
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TEST(ChronoTest, InvalidColons) {
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EXPECT_THROW(fmt::format("{0}=:{0::", std::chrono::seconds(0)),
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fmt::format_error);
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}
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TEST(ChronoTest, NegativeDuration) {
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EXPECT_EQ("-12345", fmt::format("{:%Q}", std::chrono::seconds(-12345)));
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EXPECT_EQ("-03:25:45",
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fmt::format("{:%H:%M:%S}", std::chrono::seconds(-12345)));
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EXPECT_EQ("-00:01",
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fmt::format("{:%M:%S}", std::chrono::duration<double>(-1)));
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EXPECT_EQ("s", fmt::format("{:%q}", std::chrono::seconds(-12345)));
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EXPECT_EQ("-00.127",
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fmt::format("{:%S}",
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std::chrono::duration<signed char, std::milli>{-127}));
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}
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TEST(ChronoTest, SpecialDurations) {
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EXPECT_EQ(
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"40.",
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fmt::format("{:%S}", std::chrono::duration<double>(1e20)).substr(0, 3));
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auto nan = std::numeric_limits<double>::quiet_NaN();
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EXPECT_EQ(
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"nan nan nan nan.nan nan:nan nan",
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fmt::format("{:%I %H %M %S %R %r}", std::chrono::duration<double>(nan)));
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fmt::format("{:%S}",
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std::chrono::duration<float, std::atto>(1.79400457e+31f));
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EXPECT_EQ(fmt::format("{}", std::chrono::duration<float, std::exa>(1)),
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"1Es");
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EXPECT_EQ(fmt::format("{}", std::chrono::duration<float, std::atto>(1)),
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"1as");
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EXPECT_EQ(fmt::format("{:%R}", std::chrono::duration<char, std::mega>{2}),
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"03:33");
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EXPECT_EQ(fmt::format("{:%T}", std::chrono::duration<char, std::mega>{2}),
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"03:33:20");
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}
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#endif // FMT_STATIC_THOUSANDS_SEPARATOR
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