libcxx/test/std/localization/locales/locale/locale.cons/default.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 // REQUIRES: locale.en_US.UTF-8
  10
  11 // XFAIL: availability-char8_t_support-missing
  12
  13 // This test runs in C++20, but we have deprecated codecvt<char(16|32), char, mbstate_t> in C++20.
  14 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
  15
  16 // <locale>
  17
  18 // locale() throw();
  19
  20 #include <locale>
  21 #include <cassert>
  22
  23 #include "test_macros.h"
  24 #include "platform_support.h" // locale name macros
  25 #include "count_new.h"
  26
  27 template<class CharT>
  28 void check_for(const std::locale& loc)
  29 {
  30     assert(std::has_facet<std::collate<CharT> >(loc));
  31
  32     assert(std::has_facet<std::ctype<CharT> >(loc));
  33
  34     assert((std::has_facet<std::codecvt<CharT, char, std::mbstate_t> >(loc)));
  35
  36     assert(std::has_facet<std::moneypunct<CharT> >(loc));
  37     assert(std::has_facet<std::money_get<CharT> >(loc));
  38     assert(std::has_facet<std::money_put<CharT> >(loc));
  39
  40     assert(std::has_facet<std::numpunct<CharT> >(loc));
  41     assert(std::has_facet<std::num_get<CharT> >(loc));
  42     assert(std::has_facet<std::num_put<CharT> >(loc));
  43
  44     assert(std::has_facet<std::time_get<CharT> >(loc));
  45     assert(std::has_facet<std::time_put<CharT> >(loc));
  46
  47     assert(std::has_facet<std::messages<CharT> >(loc));
  48 }
  49
  50 void check(const std::locale& loc)
  51 {
  52     check_for<char>(loc);
  53 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  54     check_for<wchar_t>(loc);
  55 #endif
  56
  57     assert((std::has_facet<std::codecvt<char16_t, char, std::mbstate_t> >(loc)));
  58     assert((std::has_facet<std::codecvt<char32_t, char, std::mbstate_t> >(loc)));
  59 #if TEST_STD_VER > 17
  60     assert((std::has_facet<std::codecvt<char16_t, char8_t, std::mbstate_t> >(loc)));
  61     assert((std::has_facet<std::codecvt<char32_t, char8_t, std::mbstate_t> >(loc)));
  62 #endif
  63 }
  64
  65 int main(int, char**)
  66 {
  67     int ok;
  68     {
  69         std::locale loc;
  70         assert(globalMemCounter.checkOutstandingNewEq(0));
  71         assert(loc.name() == "C");
  72         assert(globalMemCounter.checkOutstandingNewEq(0));
  73         check(loc);
  74         assert(globalMemCounter.checkOutstandingNewEq(0));
  75         assert(std::locale::global(std::locale(LOCALE_en_US_UTF_8)) == loc);
  76         ok = globalMemCounter.outstanding_new;
  77         std::locale loc2;
  78         assert(globalMemCounter.checkOutstandingNewEq(ok));
  79         check(loc2);
  80         assert(globalMemCounter.checkOutstandingNewEq(ok));
  81         assert(loc2 == std::locale(LOCALE_en_US_UTF_8));
  82         assert(globalMemCounter.checkOutstandingNewEq(ok));
  83     }
  84     assert(globalMemCounter.checkOutstandingNewEq(ok));
  85
  86   return 0;
  87 }