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 codecvt<char16_t, char, mbstate_t>
  
  // explicit codecvt(size_t refs = 0);
  
  #include <locale>
  #include <cassert>
  
  //#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
  
  typedef std::codecvt<char16_t, char, std::mbstate_t> F;
  
  class my_facet
      : public F
  {
  public:
      static int count;
  
      explicit my_facet(std::size_t refs = 0)
          : F(refs) {++count;}
  
      ~my_facet() {--count;}
  };
  
  int my_facet::count = 0;
  
  //#endif
  
  int main()
  {
  //#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
      {
          std::locale l(std::locale::classic(), new my_facet);
          assert(my_facet::count == 1);
      }
      assert(my_facet::count == 0);
      {
          my_facet f(1);
          assert(my_facet::count == 1);
          {
              std::locale l(std::locale::classic(), &f);
              assert(my_facet::count == 1);
          }
          assert(my_facet::count == 1);
      }
      assert(my_facet::count == 0);
  //#endif
  }
  