libcxx/test/std/time/time.syn/formatter.day.pass.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-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // UNSUPPORTED: c++03, c++11, c++14, c++17
  10 // UNSUPPORTED: no-localization
  11 // UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
  12
  13 // TODO FMT This test should not require std::to_chars(floating-point)
  14 // XFAIL: availability-fp_to_chars-missing
  15
  16 // TODO FMT Investigate Windows issues.
  17 // XFAIL: msvc
  18
  19 // REQUIRES: locale.fr_FR.UTF-8
  20 // REQUIRES: locale.ja_JP.UTF-8
  21
  22 // <chrono>
  23
  24 // template<class charT> struct formatter<chrono::day, charT>;
  25
  26 #include <chrono>
  27 #include <format>
  28
  29 #include <cassert>
  30 #include <concepts>
  31 #include <locale>
  32 #include <iostream>
  33 #include <type_traits>
  34
  35 #include "formatter_tests.h"
  36 #include "make_string.h"
  37 #include "platform_support.h" // locale name macros
  38 #include "string_literal.h"
  39 #include "test_macros.h"
  40
  41 template <class CharT>
  42 static void test_no_chrono_specs() {
  43   using namespace std::literals::chrono_literals;
  44
  45   // Valid day
  46   check(SV("01"), SV("{}"), 1d);
  47   check(SV("*01*"), SV("{:*^4}"), 1d);
  48   check(SV("*01"), SV("{:*>3}"), 1d);
  49
  50   // Invalid day
  51   check(SV("00 is not a valid day"), SV("{}"), 0d);
  52   check(SV("*00 is not a valid day*"), SV("{:*^23}"), 0d);
  53 }
  54
  55 template <class CharT>
  56 static void test_valid_values() {
  57   using namespace std::literals::chrono_literals;
  58
  59   constexpr std::basic_string_view<CharT> fmt  = SV("{:%%d='%d'%t%%Od='%Od'%t%%e='%e'%t%%Oe='%Oe'%n}");
  60   constexpr std::basic_string_view<CharT> lfmt = SV("{:L%%d='%d'%t%%Od='%Od'%t%%e='%e'%t%%Oe='%Oe'%n}");
  61
  62   const std::locale loc(LOCALE_ja_JP_UTF_8);
  63   std::locale::global(std::locale(LOCALE_fr_FR_UTF_8));
  64
  65   // Non localized output using C-locale
  66 #if defined(_WIN32)
  67   check(SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), fmt, 0d);
  68 #else
  69   check(SV("%d='00'\t%Od='00'\t%e=' 0'\t%Oe=' 0'\n"), fmt, 0d);
  70 #endif
  71   check(SV("%d='01'\t%Od='01'\t%e=' 1'\t%Oe=' 1'\n"), fmt, 1d);
  72   check(SV("%d='31'\t%Od='31'\t%e='31'\t%Oe='31'\n"), fmt, 31d);
  73 #if defined(_WIN32)
  74   check(SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), fmt, 0d);
  75 #elif defined(_AIX)
  76   check(SV("%d='55'\t%Od='55'\t%e='55'\t%Oe='55'\n"), fmt, 255d);
  77 #else
  78   check(SV("%d='255'\t%Od='255'\t%e='255'\t%Oe='255'\n"), fmt, 255d);
  79 #endif
  80
  81   // Use the global locale (fr_FR)
  82 #if defined(_WIN32)
  83   check(SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), lfmt, 0d);
  84 #else
  85   check(SV("%d='00'\t%Od='00'\t%e=' 0'\t%Oe=' 0'\n"), lfmt, 0d);
  86 #endif
  87   check(SV("%d='01'\t%Od='01'\t%e=' 1'\t%Oe=' 1'\n"), lfmt, 1d);
  88   check(SV("%d='31'\t%Od='31'\t%e='31'\t%Oe='31'\n"), lfmt, 31d);
  89 #if defined(_WIN32)
  90   check(SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), lfmt, 255d);
  91 #elif defined(_AIX)
  92   check(SV("%d='55'\t%Od='55'\t%e='55'\t%Oe='55'\n"), lfmt, 255d);
  93 #else
  94   check(SV("%d='255'\t%Od='255'\t%e='255'\t%Oe='255'\n"), lfmt, 255d);
  95 #endif
  96
  97   // Use supplied locale (ja_JP). This locale has a different alternate on some platforms.
  98 #if defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)
  99 #  if defined(_WIN32)
 100   check(loc, SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), lfmt, 0d);
 101 #  else
 102   check(loc, SV("%d='00'\t%Od='00'\t%e=' 0'\t%Oe=' 0'\n"), lfmt, 0d);
 103 #  endif
 104   check(loc, SV("%d='01'\t%Od='01'\t%e=' 1'\t%Oe=' 1'\n"), lfmt, 1d);
 105   check(loc, SV("%d='31'\t%Od='31'\t%e='31'\t%Oe='31'\n"), lfmt, 31d);
 106 #  if defined(_WIN32)
 107   check(SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), fmt, 255d);
 108 #  elif defined(_AIX)
 109   check(SV("%d='55'\t%Od='55'\t%e='55'\t%Oe='55'\n"), fmt, 255d);
 110 #  else
 111   check(SV("%d='255'\t%Od='255'\t%e='255'\t%Oe='255'\n"), fmt, 255d);
 112 #  endif
 113 #else  // defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)
 114   check(loc, SV("%d='00'\t%Od='〇'\t%e=' 0'\t%Oe='〇'\n"), lfmt, 0d);
 115   check(loc, SV("%d='01'\t%Od='一'\t%e=' 1'\t%Oe='一'\n"), lfmt, 1d);
 116   check(loc, SV("%d='31'\t%Od='三十一'\t%e='31'\t%Oe='三十一'\n"), lfmt, 31d);
 117   check(loc, SV("%d='255'\t%Od='255'\t%e='255'\t%Oe='255'\n"), lfmt, 255d);
 118 #endif // defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)
 119
 120   std::locale::global(std::locale::classic());
 121 }
 122
 123 template <class CharT>
 124 static void test() {
 125   using namespace std::literals::chrono_literals;
 126
 127   test_no_chrono_specs<CharT>();
 128   test_valid_values<CharT>();
 129   check_invalid_types<CharT>({SV("d"), SV("e"), SV("Od"), SV("Oe")}, 0d);
 130
 131   check_exception("The format specifier expects a '%' or a '}'", SV("{:A"), 0d);
 132   check_exception("The chrono specifiers contain a '{'", SV("{:%%{"), 0d);
 133   check_exception("End of input while parsing a conversion specifier", SV("{:%"), 0d);
 134   check_exception("End of input while parsing the modifier E", SV("{:%E"), 0d);
 135   check_exception("End of input while parsing the modifier O", SV("{:%O"), 0d);
 136
 137   // Precision not allowed
 138   check_exception("The format specifier expects a '%' or a '}'", SV("{:.3}"), 0d);
 139 }
 140
 141 int main(int, char**) {
 142   test<char>();
 143
 144 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 145   test<wchar_t>();
 146 #endif
 147
 148   return 0;
 149 }