libstdc++-v3/testsuite/23_containers/list/cons/4.h

   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 // 23.2.2.1 list constructors, copy, and assignment
  19
  20 #include <testsuite_hooks.h>
  21
  22 // Range constructor
  23 //
  24 // This test verifies the following.
  25 // 23.2.2.1     template list(InputIterator f, InputIterator l,
  26 //                            const Allocator& a = Allocator())
  27 // 23.2.2       const_iterator begin() const
  28 // 23.2.2       const_iterator end() const
  29 // 23.2.2       size_type size() const
  30 //
  31 template<typename _Tp>
  32 void
  33 cons04()
  34 {
  35   const int A[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17};
  36   const std::size_t N = sizeof(A) / sizeof(int);
  37   std::size_t count;
  38
  39   typedef _Tp list_type;
  40   typedef typename list_type::const_iterator const_iterator;
  41   const_iterator i;
  42
  43   // construct from a dissimilar range
  44   list_type list0301(A, A + N);
  45   for (i = list0301.begin(), count = 0;
  46        i != list0301.end();
  47        ++i, ++count)
  48     VERIFY(*i == A[count]);
  49   VERIFY(count == N);
  50   VERIFY(list0301.size() == N);
  51
  52   // construct from a similar range
  53   list_type list0302(list0301.begin(), list0301.end());
  54   for (i = list0302.begin(), count = 0;
  55        i != list0302.end();
  56        ++i, ++count)
  57     VERIFY(*i == A[count]);
  58   VERIFY(count == N);
  59   VERIFY(list0302.size() == N);
  60 }