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62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// 2004-11-29 Paolo Carlini <pcarlini@suse.de>
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// Copyright (C) 2004-2014 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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// 21.3.3 string capacity
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// { dg-options "-DMAX_SIZE=16" { target simulator } }
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#ifndef MAX_SIZE
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#define MAX_SIZE 20
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#endif
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#include <string>
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#include <testsuite_hooks.h>
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// libstdc++/18654
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void test01()
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{
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using namespace std;
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bool test __attribute__((unused)) = true;
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typedef string::size_type size_type;
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// Our current implementation provides exact shrink-to-size
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// and shrink-to-fit (in the future, maybe this will change
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// for short strings).
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const size_type minsize = 2 << 0;
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const size_type maxsize = 2 << MAX_SIZE;
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for (size_type i = minsize; i <= maxsize; i *= 2)
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{
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string str(i, 'x');
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str.reserve(3 * i);
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str.reserve(2 * i);
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VERIFY( str.capacity() == 2 * i );
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str.reserve();
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VERIFY( str.capacity() == i );
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}
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}
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int main()
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{
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test01();
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return 0;
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}
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