libstdc++-v3/testsuite/23_containers/list/cons/7.cc

   1 // Copyright (C) 2001, 2004, 2005, 2009 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 <list>
  21 #include <testsuite_hooks.h>
  22
  23 bool test __attribute__((unused)) = true;
  24
  25 // Fill assign
  26 //
  27 // This test verifies the following.
  28 // 23.2.2.1     void assign(size_type n, const T& v)
  29 // 23.2.2       const_iterator begin() const
  30 // 23.2.2       const_iterator end() const
  31 // 23.2.2       size_type size() const
  32 //
  33 void
  34 test06()
  35 {
  36   const std::size_t BIG_LIST_SIZE = 11;
  37   const int BIG_INIT_VALUE = 7;
  38   const std::size_t SMALL_LIST_SIZE = 5;
  39   const int SMALL_INIT_VALUE = 17;
  40   std::size_t count;
  41   std::list<int>::const_iterator i;
  42
  43   std::list<int> list0601;
  44   VERIFY(list0601.size() == 0);
  45
  46   // make it bigger
  47   list0601.assign(BIG_LIST_SIZE, BIG_INIT_VALUE);
  48   for (i = list0601.begin(), count = 0;
  49        i != list0601.end();
  50        ++i, ++count)
  51     VERIFY(*i == BIG_INIT_VALUE);
  52   VERIFY(count == BIG_LIST_SIZE);
  53   VERIFY(list0601.size() == BIG_LIST_SIZE);
  54
  55   // make it shrink
  56   list0601.assign(SMALL_LIST_SIZE, SMALL_INIT_VALUE);
  57   for (i = list0601.begin(), count = 0;
  58        i != list0601.end();
  59        ++i, ++count)
  60     VERIFY(*i == SMALL_INIT_VALUE);
  61   VERIFY(count == SMALL_LIST_SIZE);
  62   VERIFY(list0601.size() == SMALL_LIST_SIZE);
  63 }
  64
  65 int main()
  66 {
  67   test06();
  68   return 0;
  69 }
  70