libstdc++-v3/testsuite/23_containers/list/operations/2.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 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 COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 23.2.2.4 list operations [lib.list.ops]
  19
  20 #include <list>
  21 #include <testsuite_hooks.h>
  22
  23 bool test __attribute__((unused)) = true;
  24
  25 // splice(p, x, i) + remove_if + operator==
  26 void
  27 test02()
  28 {
  29   const int A[] = {1, 2, 3, 4, 5};
  30   const int B[] = {2, 1, 3, 4, 5};
  31   const int C[] = {1, 3, 4, 5, 2};
  32   const int N = sizeof(A) / sizeof(int);
  33   std::list<int> list0201(A, A + N);
  34   std::list<int> list0202(A, A + N);
  35   std::list<int> list0203(B, B + N);
  36   std::list<int> list0204(C, C + N);
  37   std::list<int>::iterator i = list0201.begin();
  38
  39   // result should be unchanged
  40   list0201.splice(list0201.begin(), list0201, i);
  41   VERIFY(list0201 == list0202);
  42
  43   // result should be [2 1 3 4 5]
  44   ++i;
  45   list0201.splice(list0201.begin(), list0201, i);
  46   VERIFY(list0201 != list0202);
  47   VERIFY(list0201 == list0203);
  48
  49   // result should be [1 3 4 5 2]
  50   list0201.splice(list0201.end(), list0201, i);
  51   VERIFY(list0201 == list0204);
  52 }
  53
  54 int main()
  55 {
  56   test02();
  57   return 0;
  58 }