gcc/libstdc++-v3/testsuite/23_containers/vector_capacity.cc

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// 1999-05-07
// bkoz
// Copyright (C) 1999 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 23.2.4.2 vector capacity
#include <vector>
#include <debug_assert.h>
template<typename T>
struct A { };
struct B { };
bool test01()
{
// non POD types
bool test = true;
std::vector< A<B> > vec01;
typedef std::vector< A<B> >::size_type size_type;
size_type sz01 = vec01.capacity();
vec01.reserve(100);
size_type sz02 = vec01.capacity();
VERIFY( sz02 >= sz01 );
sz01 = vec01.size() + 5;
vec01.resize(sz01);
sz02 = vec01.size();
VERIFY( sz01 == sz02 );
sz01 = vec01.size() - 5;
vec01.resize(sz01);
sz02 = vec01.size();
VERIFY( sz01 == sz02 );
#ifdef DEBUG_ASSERT
assert(test);
#endif
return test;
}
int main()
{
test01();
return 0;
}