309 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710// UNSUPPORTED: no-localization11// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME12 13// TODO FMT This test should not require std::to_chars(floating-point)14// XFAIL: availability-fp_to_chars-missing15 16// REQUIRES: locale.fr_FR.UTF-817// REQUIRES: locale.ja_JP.UTF-818 19// <chrono>20 21// template<class charT> struct formatter<chrono::year, charT>;22 23#include <chrono>24#include <format>25 26#include <cassert>27#include <concepts>28#include <locale>29#include <iostream>30#include <type_traits>31 32#include "formatter_tests.h"33#include "make_string.h"34#include "platform_support.h" // locale name macros35#include "string_literal.h"36#include "test_macros.h"37 38template <class CharT>39static void test_no_chrono_specs() {40 check(SV("-32767"), SV("{}"), std::chrono::year{-32'767});41 check(SV("-1000"), SV("{}"), std::chrono::year{-1000});42 check(SV("-0100"), SV("{}"), std::chrono::year{-100});43 check(SV("-0010"), SV("{}"), std::chrono::year{-10});44 check(SV("-0001"), SV("{}"), std::chrono::year{-1});45 check(SV("0000"), SV("{}"), std::chrono::year{0});46 check(SV("0001"), SV("{}"), std::chrono::year{1});47 check(SV("0010"), SV("{}"), std::chrono::year{10});48 check(SV("0100"), SV("{}"), std::chrono::year{100});49 check(SV("1000"), SV("{}"), std::chrono::year{1000});50 check(SV("32727"), SV("{}"), std::chrono::year{32'727});51 52 // Invalid year53 check(SV("-32768 is not a valid year"), SV("{}"), std::chrono::year{-32'768});54 check(SV("-32768 is not a valid year"), SV("{}"), std::chrono::year{32'768});55}56 57template <class CharT>58static void test_valid_values() {59 constexpr std::basic_string_view<CharT> fmt = SV(60 "{:"61 "%%C='%C'%t"62 "%%EC='%EC'%t"63 "%%y='%y'%t"64 "%%Ey='%Ey'%t"65 "%%Oy='%Oy'%t"66 "%%Y='%Y'%t"67 "%%EY='%EY'%t"68 "%n}");69 constexpr std::basic_string_view<CharT> lfmt = SV(70 "{:L"71 "%%C='%C'%t"72 "%%EC='%EC'%t"73 "%%y='%y'%t"74 "%%Ey='%Ey'%t"75 "%%Oy='%Oy'%t"76 "%%Y='%Y'%t"77 "%%EY='%EY'%t"78 "%n}");79 80 const std::locale loc(LOCALE_ja_JP_UTF_8);81 std::locale::global(std::locale(LOCALE_fr_FR_UTF_8));82 83 // Non localized output using C-locale84 check(SV("%C='00'\t"85#if defined(__APPLE__) || defined(_WIN32) || defined(__FreeBSD__)86 "%EC='00'\t"87#else88 "%EC='0'\t"89#endif90 "%y='00'\t"91 "%Ey='00'\t"92 "%Oy='00'\t"93 "%Y='0000'\t"94#if defined(__APPLE__) || defined(_WIN32) || defined(__FreeBSD__)95 "%EY='0000'\t"96#elif defined(_AIX)97 "%EY=''\t"98#else99 "%EY='0'\t"100#endif101 "\n"),102 fmt,103 std::chrono::year{0});104 105 check(SV("%C='19'\t"106 "%EC='19'\t"107 "%y='70'\t"108 "%Ey='70'\t"109 "%Oy='70'\t"110 "%Y='1970'\t"111 "%EY='1970'\t"112 "\n"),113 fmt,114 std::chrono::year{1970});115 116 check(SV("%C='20'\t"117 "%EC='20'\t"118 "%y='38'\t"119 "%Ey='38'\t"120 "%Oy='38'\t"121 "%Y='2038'\t"122 "%EY='2038'\t"123 "\n"),124 fmt,125 std::chrono::year{2038});126 127 // Use the global locale (fr_FR)128 check(SV("%C='00'\t"129#if defined(__APPLE__) || defined(_WIN32) || defined(__FreeBSD__)130 "%EC='00'\t"131#else132 "%EC='0'\t"133#endif134 "%y='00'\t"135 "%Ey='00'\t"136 "%Oy='00'\t"137 "%Y='0000'\t"138#if defined(__APPLE__) || defined(_WIN32) || defined(__FreeBSD__)139 "%EY='0000'\t"140#elif defined(_AIX)141 "%EY=''\t"142#else143 "%EY='0'\t"144#endif145 "\n"),146 lfmt,147 std::chrono::year{0});148 149 check(SV("%C='19'\t"150 "%EC='19'\t"151 "%y='70'\t"152 "%Ey='70'\t"153 "%Oy='70'\t"154 "%Y='1970'\t"155 "%EY='1970'\t"156 "\n"),157 lfmt,158 std::chrono::year{1970});159 160 check(SV("%C='20'\t"161 "%EC='20'\t"162 "%y='38'\t"163 "%Ey='38'\t"164 "%Oy='38'\t"165 "%Y='2038'\t"166 "%EY='2038'\t"167 "\n"),168 lfmt,169 std::chrono::year{2038});170 171 // Use supplied locale (ja_JP). This locale has a different alternate.172#if defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)173 174 check(SV("%C='00'\t"175# if defined(__APPLE__) || defined(_WIN32) || defined(__FreeBSD__)176 "%EC='00'\t"177# else178 "%EC='0'\t"179# endif180 "%y='00'\t"181 "%Ey='00'\t"182 "%Oy='00'\t"183 "%Y='0000'\t"184# if defined(_AIX)185 "%EY=''\t"186# else187 "%EY='0000'\t"188# endif189 "\n"),190 lfmt,191 std::chrono::year{0});192 193 check(SV("%C='19'\t"194 "%EC='19'\t"195 "%y='70'\t"196 "%Ey='70'\t"197 "%Oy='70'\t"198 "%Y='1970'\t"199 "%EY='1970'\t"200 "\n"),201 lfmt,202 std::chrono::year{1970});203 204 check(SV("%C='20'\t"205 "%EC='20'\t"206 "%y='38'\t"207 "%Ey='38'\t"208 "%Oy='38'\t"209 "%Y='2038'\t"210 "%EY='2038'\t"211 "\n"),212 lfmt,213 std::chrono::year{2038});214 215#else // defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)216 check(loc,217 SV("%C='00'\t"218 "%EC='紀元前'\t"219 "%y='00'\t"220 // https://sourceware.org/bugzilla/show_bug.cgi?id=23758221# if defined(__GLIBC__) && __GLIBC__ <= 2 && __GLIBC_MINOR__ < 29222 "%Ey='1'\t"223# else224 "%Ey='01'\t"225# endif226 "%Oy='〇'\t"227 "%Y='0000'\t"228 // https://sourceware.org/bugzilla/show_bug.cgi?id=23758229# if defined(__GLIBC__) && __GLIBC__ <= 2 && __GLIBC_MINOR__ < 29230 "%EY='紀元前1年'\t"231# else232 "%EY='紀元前01年'\t"233# endif234 "\n"),235 lfmt,236 std::chrono::year{0});237 238 check(loc,239 SV("%C='19'\t"240 "%EC='昭和'\t"241 "%y='70'\t"242 "%Ey='45'\t"243 "%Oy='七十'\t"244 "%Y='1970'\t"245 "%EY='昭和45年'\t"246 "\n"),247 lfmt,248 std::chrono::year{1970});249 250 // Note this test will fail if the Reiwa era ends before 2038.251 check(loc,252 SV("%C='20'\t"253 "%EC='令和'\t"254 "%y='38'\t"255 "%Ey='20'\t"256 "%Oy='三十八'\t"257 "%Y='2038'\t"258 "%EY='令和20年'\t"259 "\n"),260 lfmt,261 std::chrono::year{2038});262#endif // defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)263 264 std::locale::global(std::locale::classic());265}266 267template <class CharT>268static void test_padding() {269 constexpr std::basic_string_view<CharT> fmt = SV("{:%%C='%C'%t%%y='%y'%t%%Y='%Y'%t%n}");270 check(SV("%C='-100'\t%y='99'\t%Y='-9999'\t\n"), fmt, std::chrono::year{-9'999});271 check(SV("%C='-10'\t%y='99'\t%Y='-0999'\t\n"), fmt, std::chrono::year{-999});272 check(SV("%C='-1'\t%y='99'\t%Y='-0099'\t\n"), fmt, std::chrono::year{-99});273 check(SV("%C='-1'\t%y='09'\t%Y='-0009'\t\n"), fmt, std::chrono::year{-9});274 check(SV("%C='00'\t%y='00'\t%Y='0000'\t\n"), fmt, std::chrono::year{0});275 check(SV("%C='00'\t%y='09'\t%Y='0009'\t\n"), fmt, std::chrono::year{9});276 check(SV("%C='00'\t%y='99'\t%Y='0099'\t\n"), fmt, std::chrono::year{99});277 check(SV("%C='09'\t%y='99'\t%Y='0999'\t\n"), fmt, std::chrono::year{999});278 check(SV("%C='99'\t%y='99'\t%Y='9999'\t\n"), fmt, std::chrono::year{9'999});279 check(SV("%C='100'\t%y='00'\t%Y='10000'\t\n"), fmt, std::chrono::year{10'000});280}281 282template <class CharT>283static void test() {284 test_no_chrono_specs<CharT>();285 test_valid_values<CharT>();286 test_padding<CharT>();287 check_invalid_types<CharT>(288 {SV("C"), SV("y"), SV("Y"), SV("EC"), SV("Ey"), SV("EY"), SV("Oy")}, std::chrono::year{1970});289 290 check_exception("The format specifier expects a '%' or a '}'", SV("{:A"), std::chrono::year{1970});291 check_exception("The chrono specifiers contain a '{'", SV("{:%%{"), std::chrono::year{1970});292 check_exception("End of input while parsing a conversion specifier", SV("{:%"), std::chrono::year{1970});293 check_exception("End of input while parsing the modifier E", SV("{:%E"), std::chrono::year{1970});294 check_exception("End of input while parsing the modifier O", SV("{:%O"), std::chrono::year{1970});295 296 // Precision not allowed297 check_exception("The format specifier expects a '%' or a '}'", SV("{:.3}"), std::chrono::year{1970});298}299 300int main(int, char**) {301 test<char>();302 303#ifndef TEST_HAS_NO_WIDE_CHARACTERS304 test<wchar_t>();305#endif306 307 return 0;308}309