libstdc++-v3/testsuite/27_io/basic_ios/locales/char/1.cc

// 1999-09-20 bkoz

// Copyright (C) 1999-2023 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.


// 27.4.4.2 basic_ios member functions

// NB: Don't include any other headers in this file.
#include <ios>
#include <testsuite_hooks.h>

void test01()
{
  const std::locale c_loc = std::locale::classic();

  std::ios ios_01(0);
  std::ios::char_type ct01;
  std::ios::char_type ct02('x');;

  // 27.4.2.3 locales
  ios_01.imbue(c_loc);

  // char narrow(char_type c, char dfault) const;
  char c1 = ios_01.narrow(ct02, 0);
  VERIFY( c1 == 'x' );

  // char_type widen(char c) const;
  ct01 = ios_01.widen('c');
  VERIFY( ct01 == 'c' );
}

int main()
{
  test01();
  return 0;
}