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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 21_strings / basic_string / capacity / wchar_t / shrink_to_fit.cc

// { dg-options "-std=gnu++11" }

// 2010-01-08  Paolo Carlini  <paolo.carlini@oracle.com>

// Copyright (C) 2010-2016 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 3, 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 COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

#include <string>
#include <testsuite_hooks.h>

// libstdc++/42573
void test01()
{
  bool test __attribute__((unused)) = true;

  std::wstring s(100, L'a');
  s.push_back(L'b');
  s.push_back(L'b');
  VERIFY( s.size() < s.capacity() );
  s.shrink_to_fit();
  VERIFY( s.size() == s.capacity() );
}

int main()
{
  test01();
  return 0;
}