72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
// 2001-02-26 Benjamin Kosnik <bkoz@redhat.com>
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// Copyright (C) 2001-2019 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// 19.1 Exception classes
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#include <string>
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#include <stdexcept>
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#include <cstring>
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#include <testsuite_hooks.h>
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// test copy ctors, assignment operators, and persistence of member string data
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// libstdc++/1972
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// via Greg Bumgardner <bumgard@roguewave.com>
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void allocate_on_stack(void)
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{
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const size_t num = 512;
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__extension__ char array[num];
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for (size_t i = 0; i < num; i++)
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array[i]=0;
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// Suppress unused warnings.
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for (size_t i = 0; i < num; i++)
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array[i]=array[i];
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}
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void test04()
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{
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const std::string s("CA ISO emergency once again:immediate power down");
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const char* strlit1 = "wish I lived in Palo Alto";
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const char* strlit2 = "...or Santa Barbara";
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std::runtime_error obj1(s);
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// block 01
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{
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const std::string s2(strlit1);
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std::runtime_error obj2(s2);
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obj1 = obj2;
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}
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allocate_on_stack();
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VERIFY( std::strcmp(strlit1, obj1.what()) == 0 );
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// block 02
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{
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const std::string s3(strlit2);
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std::runtime_error obj3 = std::runtime_error(s3);
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obj1 = obj3;
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}
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allocate_on_stack();
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VERIFY( std::strcmp(strlit2, obj1.what()) == 0 );
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}
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int main(void)
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{
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test04();
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return 0;
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}
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