gomp-20050608-branch/libstdc++-v3/testsuite/25_algorithms/iter_swap/20577.cc

   1 // Copyright (C) 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 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 #include <algorithm>
  20 #include <vector>
  21 #include <testsuite_hooks.h>
  22
  23 void
  24 test1()
  25 {
  26   bool test __attribute__((unused)) = true;
  27
  28   std::vector<bool> v;
  29   v.push_back(true);
  30   v.push_back(false);
  31   std::iter_swap(v.begin(), v.begin() + 1);
  32   VERIFY( v[0] == false && v[1] == true );
  33 }
  34
  35 void
  36 test2()
  37 {
  38   bool test __attribute__((unused)) = true;
  39
  40   std::vector<int> v;
  41   v.push_back(1);
  42   v.push_back(2);
  43   std::iter_swap(v.begin(), v.begin() + 1);
  44   VERIFY( v[0] == 2 && v[1] == 1 );
  45 }
  46
  47 int int_swap_count;
  48
  49 struct X {};
  50 void swap(X&, X&)
  51 { ++int_swap_count; }
  52
  53 void
  54 test3()
  55 {
  56   bool test __attribute__((unused)) = true;
  57
  58   int_swap_count = 0;
  59   X i, j;
  60   std::iter_swap(&i, &j);
  61   VERIFY( int_swap_count == 1 );
  62 }
  63
  64 // libstdc++/20577
  65 int main()
  66 {
  67   test1();
  68   test2();
  69   test3();
  70   return 0;
  71 }