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

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // Copyright (C) 2007-2014 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 // 19.1 Exception classes
  21
  22 #include <string>
  23 #include <system_error>
  24 #include <testsuite_hooks.h>
  25
  26 // Make sure each invocation of what() doesn't grow the message.
  27 void test01()
  28 {
  29   bool test __attribute__((unused)) = true;
  30   std::string s("after nine thirty, this request cannot be met");
  31
  32   std::system_error obj =
  33     std::system_error(std::make_error_code(std::errc::invalid_argument), s);
  34   std::string s1(obj.what());
  35   std::string s2(obj.what());
  36   VERIFY( s1 == s2 );
  37 }
  38
  39 int main(void)
  40 {
  41   test01();
  42   return 0;
  43 }