1  // Copyright (C) 2001-2023 Free Software Foundation, Inc.
       2  //
       3  // This file is part of the GNU ISO C++ Library.  This library is free
       4  // software; you can redistribute it and/or modify it under the
       5  // terms of the GNU General Public License as published by the
       6  // Free Software Foundation; either version 3, or (at your option)
       7  // any later version.
       8  
       9  // This library is distributed in the hope that it will be useful,
      10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
      11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12  // GNU General Public License for more details.
      13  
      14  // You should have received a copy of the GNU General Public License along
      15  // with this library; see the file COPYING3.  If not see
      16  // <http://www.gnu.org/licenses/>.
      17  
      18  // 23.2.2.2 list capacity [lib.list.capacity]
      19  
      20  #include <testsuite_hooks.h>
      21  
      22  // This test verifies the following.
      23  //
      24  // 23.2.2       bool empty() const
      25  // 23.2.2       size_type size() const
      26  // 23.2.2       iterator begin()
      27  // 23.2.2       iterator end()
      28  // 23.2.2.3     void push_back(const T&)
      29  // 23.2.2       size_type max_size() const
      30  // 23.2.2.2     void resize(size_type s, T c = T())
      31  //
      32  template<typename _Tp>
      33  void
      34  capacity01()
      35  {
      36    typedef _Tp list_type;
      37    typedef typename list_type::iterator iterator_type;
      38  
      39    list_type list0101;
      40    VERIFY(list0101.empty());
      41    VERIFY(list0101.size() == 0);
      42  
      43    list0101.push_back(1);
      44    VERIFY(!list0101.empty());
      45    VERIFY(list0101.size() == 1);
      46  
      47    list0101.resize(3, 2);
      48    VERIFY(!list0101.empty());
      49    VERIFY(list0101.size() == 3);
      50  
      51    iterator_type i = list0101.begin();
      52    VERIFY(*i == 1); ++i;
      53    VERIFY(*i == 2); ++i;
      54    VERIFY(*i == 2); ++i;
      55    VERIFY(i == list0101.end());
      56  
      57    list0101.resize(0);
      58    VERIFY(list0101.empty());
      59    VERIFY(list0101.size() == 0);
      60  }