libcxx/test/std/re/re.regex/re.regex.locale/imbue.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, class traits = regex_traits<charT>> class basic_regex;
  14
  15 // locale_type imbue(locale_type loc);
  16
  17 #include <regex>
  18 #include <locale>
  19 #include <cassert>
  20
  21 #include "test_macros.h"
  22 #include "platform_support.h" // locale name macros
  23
  24 int main(int, char**)
  25 {
  26     std::regex r;
  27     std::locale loc = r.imbue(std::locale(LOCALE_en_US_UTF_8));
  28     assert(loc.name() == "C");
  29     assert(r.getloc().name() == LOCALE_en_US_UTF_8);
  30     loc = r.imbue(std::locale("C"));
  31     assert(loc.name() == LOCALE_en_US_UTF_8);
  32     assert(r.getloc().name() == "C");
  33
  34   return 0;
  35 }