libstdc++-v3/testsuite/19_diagnostics/system_error/what-4.cc

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // Copyright (C) 2007
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21
  22 // 19.1 Exception classes
  23
  24 #include <cstring>
  25 #include <string>
  26 #include <system_error>
  27 #include <testsuite_hooks.h>
  28
  29 // Make sure each invocation of what() doesn't grow the message.
  30 void test01()
  31 {
  32   bool test __attribute__((unused)) = true;
  33   std::string s("after nine thirty, this request cannot be met");
  34
  35   std::system_error obj = std::system_error(s, std::posix_error::invalid_argument);
  36   std::string s1(obj.what());
  37   std::string s2(obj.what());
  38   VERIFY( s1 == s2 );
  39 }
  40
  41 int main(void)
  42 {
  43   test01();
  44   return 0;
  45 }