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

   1 // Copyright (C) 2001, 2004, 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 23.2.2.4 list operations [lib.list.ops]
  20
  21 #include <list>
  22 #include <testsuite_hooks.h>
  23
  24 bool test __attribute__((unused)) = true;
  25
  26 // splice(p, x, i) + remove_if + operator==
  27 void
  28 test02()
  29 {
  30   const int A[] = {1, 2, 3, 4, 5};
  31   const int B[] = {2, 1, 3, 4, 5};
  32   const int C[] = {1, 3, 4, 5, 2};
  33   const int N = sizeof(A) / sizeof(int);
  34   std::list<int> list0201(A, A + N);
  35   std::list<int> list0202(A, A + N);
  36   std::list<int> list0203(B, B + N);
  37   std::list<int> list0204(C, C + N);
  38   std::list<int>::iterator i = list0201.begin();
  39
  40   // result should be unchanged
  41   list0201.splice(list0201.begin(), list0201, i);
  42   VERIFY(list0201 == list0202);
  43
  44   // result should be [2 1 3 4 5]
  45   ++i;
  46   list0201.splice(list0201.begin(), list0201, i);
  47   VERIFY(list0201 != list0202);
  48   VERIFY(list0201 == list0203);
  49
  50   // result should be [1 3 4 5 2]
  51   list0201.splice(list0201.end(), list0201, i);
  52   VERIFY(list0201 == list0204);
  53 }
  54
  55 int main()
  56 {
  57   test02();
  58   return 0;
  59 }