libstdc++-v3/testsuite/23_containers/list/modifiers/2.cc

   1 // Copyright (C) 2001, 2003 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 2, 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 Pred 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  17 // USA.
  18
  19 // 23.2.2.3 list modifiers [lib.list.modifiers]
  20
  21 #include <list>
  22 #include <testsuite_hooks.h>
  23
  24 typedef __gnu_test::copy_tracker  T;
  25
  26 bool test __attribute__((unused)) = true;
  27
  28 // general single insert/erase + swap
  29 void
  30 test02()
  31 {
  32   std::list<T> list0201;
  33   T::reset();
  34
  35   list0201.insert(list0201.begin(), T(1));     // list should be [1]
  36   VERIFY(list0201.size() == 1);
  37   VERIFY(T::copyCount() == 1);
  38
  39   list0201.insert(list0201.end(), T(2));     // list should be [1 2]
  40   VERIFY(list0201.size() == 2);
  41   VERIFY(T::copyCount() == 2);
  42
  43   std::list<T>::iterator i = list0201.begin();
  44   std::list<T>::const_iterator j = i;
  45   VERIFY(i->id() == 1); ++i;
  46   VERIFY(i->id() == 2);
  47
  48   list0201.insert(i, T(3));     // list should be [1 3 2]
  49   VERIFY(list0201.size() == 3);
  50   VERIFY(T::copyCount() == 3);
  51
  52   std::list<T>::const_iterator k = i;
  53   VERIFY(i->id() == 2); --i;
  54   VERIFY(i->id() == 3); --i;
  55   VERIFY(i->id() == 1);
  56   VERIFY(j->id() == 1);
  57
  58   ++i; // will point to '3'
  59   T::reset();
  60   list0201.erase(i); // should be [1 2]
  61   VERIFY(list0201.size() == 2);
  62   VERIFY(T::dtorCount() == 1);
  63   VERIFY(k->id() == 2);
  64   VERIFY(j->id() == 1);
  65
  66   std::list<T> list0202;
  67   T::reset();
  68   VERIFY(list0202.size() == 0);
  69   VERIFY(T::copyCount() == 0);
  70   VERIFY(T::dtorCount() == 0);
  71
  72   // member swap
  73   list0202.swap(list0201);
  74   VERIFY(list0201.size() == 0);
  75   VERIFY(list0202.size() == 2);
  76   VERIFY(T::copyCount() == 0);
  77   VERIFY(T::dtorCount() == 0);
  78
  79   // specialized swap
  80   swap(list0201, list0202);
  81   VERIFY(list0201.size() == 2);
  82   VERIFY(list0202.size() == 0);
  83   VERIFY(T::copyCount() == 0);
  84   VERIFY(T::dtorCount() == 0);
  85 }
  86
  87 int main()
  88 {
  89   test02();
  90   return 0;
  91 }
  92 // vi:set sw=2 ts=2: