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

   1 // 1999-09-20 bkoz
   2
   3 // Copyright (C) 1999-2023 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20
  21 // 27.4.4.2 basic_ios member functions
  22
  23 // NB: Don't include any other headers in this file.
  24 #include <ios>
  25 #include <testsuite_hooks.h>
  26
  27 void test01()
  28 {
  29   const std::locale c_loc = std::locale::classic();
  30
  31   std::ios ios_01(0);
  32   std::ios::char_type ct01;
  33   std::ios::char_type ct02('x');;
  34
  35   // 27.4.2.3 locales
  36   ios_01.imbue(c_loc);
  37
  38   // char narrow(char_type c, char dfault) const;
  39   char c1 = ios_01.narrow(ct02, 0);
  40   VERIFY( c1 == 'x' );
  41
  42   // char_type widen(char c) const;
  43   ct01 = ios_01.widen('c');
  44   VERIFY( ct01 == 'c' );
  45 }
  46
  47 int main()
  48 {
  49   test01();
  50   return 0;
  51 }