libcxx/test/std/re/re.traits/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 // <regex>
  12
  13 // template <class charT> struct regex_traits;
  14
  15 // regex_traits();
  16
  17 #include <regex>
  18 #include <cassert>
  19
  20 #include "test_macros.h"
  21 #include "platform_support.h" // locale name macros
  22
  23 int main(int, char**)
  24 {
  25     {
  26         std::regex_traits<char> t;
  27         assert(t.getloc().name() == "C");
  28     }
  29 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  30     {
  31         std::regex_traits<wchar_t> t;
  32         assert(t.getloc().name() == "C");
  33     }
  34 #endif
  35     {
  36         std::locale::global(std::locale(LOCALE_en_US_UTF_8));
  37         std::regex_traits<char> t;
  38         assert(t.getloc().name() == LOCALE_en_US_UTF_8);
  39     }
  40 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  41     {
  42         std::locale::global(std::locale(LOCALE_en_US_UTF_8));
  43         std::regex_traits<wchar_t> t;
  44         assert(t.getloc().name() == LOCALE_en_US_UTF_8);
  45     }
  46 #endif
  47
  48   return 0;
  49 }