libstdc++-v3/testsuite/27_io/basic_ios/cons/char/2.cc

   1 // 2001-06-05 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001-2018 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 // 27.4.2.1.6 class ios_base::init
  22
  23 #include <ios>
  24 #include <testsuite_hooks.h>
  25
  26 // Non-required instantiations don't have the required facets inbued,
  27 // by default, into the locale object.
  28 // See 27.4.4.1
  29 class gnu_ios: public std::basic_ios<char> { };
  30
  31 void test01()
  32 {
  33   bool test = true;
  34
  35   // 01: Doesn't call basic_ios::init, which uses ctype<char_type>..
  36   // This should be unambiguously correct.
  37   try
  38     {
  39       gnu_ios gios;
  40     }
  41   catch(...)
  42     {
  43       test = false;
  44     }
  45   VERIFY( test );
  46 }
  47
  48 int main()
  49 {
  50   test01();
  51   return 0;
  52 }