text: //===----------------------------------------------------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is dual licensed under the MIT and the University of Illinois Open
  // Source Licenses. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  
  // <locale>
  
  // template <class Facet> locale combine(const locale& other) const;
  
  #include <locale>
  #include <stdexcept>
  #include <cassert>
  
  #include "count_new.hpp"
  
  #include "test_macros.h"
  
  void check(const std::locale& loc)
  {
      assert(std::has_facet<std::collate<char> >(loc));
      assert(std::has_facet<std::collate<wchar_t> >(loc));
  
      assert(std::has_facet<std::ctype<char> >(loc));
      assert(std::has_facet<std::ctype<wchar_t> >(loc));
      assert((std::has_facet<std::codecvt<char, char, std::mbstate_t> >(loc)));
      assert((std::has_facet<std::codecvt<char16_t, char, std::mbstate_t> >(loc)));
      assert((std::has_facet<std::codecvt<char32_t, char, std::mbstate_t> >(loc)));
      assert((std::has_facet<std::codecvt<wchar_t, char, std::mbstate_t> >(loc)));
  
      assert((std::has_facet<std::moneypunct<char> >(loc)));
      assert((std::has_facet<std::moneypunct<wchar_t> >(loc)));
      assert((std::has_facet<std::money_get<char> >(loc)));
      assert((std::has_facet<std::money_get<wchar_t> >(loc)));
      assert((std::has_facet<std::money_put<char> >(loc)));
      assert((std::has_facet<std::money_put<wchar_t> >(loc)));
  
      assert((std::has_facet<std::numpunct<char> >(loc)));
      assert((std::has_facet<std::numpunct<wchar_t> >(loc)));
      assert((std::has_facet<std::num_get<char> >(loc)));
      assert((std::has_facet<std::num_get<wchar_t> >(loc)));
      assert((std::has_facet<std::num_put<char> >(loc)));
      assert((std::has_facet<std::num_put<wchar_t> >(loc)));
  
      assert((std::has_facet<std::time_get<char> >(loc)));
      assert((std::has_facet<std::time_get<wchar_t> >(loc)));
      assert((std::has_facet<std::time_put<char> >(loc)));
      assert((std::has_facet<std::time_put<wchar_t> >(loc)));
  
      assert((std::has_facet<std::messages<char> >(loc)));
      assert((std::has_facet<std::messages<wchar_t> >(loc)));
  }
  
  struct my_facet
      : public std::locale::facet
  {
      int test() const {return 5;}
  
      static std::locale::id id;
  };
  
  std::locale::id my_facet::id;
  
  int main()
  {
  {
      {
          std::locale loc;
          std::locale loc2(loc, new my_facet);
          std::locale loc3 = loc.combine<my_facet>(loc2);
          check(loc3);
          assert(loc3.name() == "*");
          assert((std::has_facet<my_facet>(loc3)));
          const my_facet& f = std::use_facet<my_facet>(loc3);
          assert(f.test() == 5);
      }
      assert(globalMemCounter.checkOutstandingNewEq(0));
  }
  #ifndef TEST_HAS_NO_EXCEPTIONS
  {
      {
          std::locale loc;
          std::locale loc2;
          try
          {
              std::locale loc3 = loc.combine<my_facet>(loc2);
              assert(false);
          }
          catch (std::runtime_error&)
          {
          }
      }
      assert(globalMemCounter.checkOutstandingNewEq(0));
  }
  #endif
  }
  