libstdc++-v3/testsuite/19_diagnostics/runtime_error/what-3.cc

   1 // 2001-02-26 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 2002 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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // 19.1 Exception classes
  22
  23 #include <string>
  24 #include <stdexcept>
  25 #include <testsuite_hooks.h>
  26
  27 // test copy ctors and assignment operators
  28 // libstdc++/1972
  29 // via Greg Bumgardner <bumgard@roguewave.com>
  30 void allocate_on_stack(void)
  31 {
  32   const size_t num = 512;
  33   __extension__ char array[num];
  34   for (size_t i = 0; i < num; i++)
  35     array[i]=0;
  36 }
  37 void test04()
  38 {
  39   bool test __attribute__((unused)) = true;
  40   const std::string s("CA ISO emergency once again:immediate power down");
  41   const char* strlit1 = "wish I lived in Palo Alto";
  42   const char* strlit2 = "...or Santa Barbara";
  43   std::runtime_error obj1(s);
  44
  45   // block 01
  46   {
  47     const std::string s2(strlit1);
  48     std::runtime_error obj2(s2);
  49     obj1 = obj2;
  50   }
  51   allocate_on_stack();
  52   VERIFY( std::strcmp(strlit1, obj1.what()) == 0 );
  53
  54   // block 02
  55   {
  56     const std::string s3(strlit2);
  57     std::runtime_error obj3 = std::runtime_error(s3);
  58     obj1 = obj3;
  59   }
  60   allocate_on_stack();
  61   VERIFY( std::strcmp(strlit2, obj1.what()) == 0 );
  62 }
  63
  64 int main(void)
  65 {
  66   test04();
  67   return 0;
  68 }