libstdc++-v3/testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc

   1 // Copyright (C) 2017-2024 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 // { dg-require-normal-mode "" }
  19
  20 #include <ext/pb_ds/priority_queue.hpp>
  21 #include <testsuite_hooks.h>
  22
  23 int count = 0;
  24
  25 struct less
  26 {
  27   bool operator()(int i, int j) const
  28   {
  29     ++count;
  30     return i < j;
  31   }
  32 };
  33
  34 void
  35 test01()
  36 {
  37   __gnu_pbds::priority_queue<int, less, __gnu_pbds::binary_heap_tag> c;
  38   c.push(1);
  39   c.push(2);
  40   c.push(3);
  41   c.push(4);
  42   count = 0;
  43   c.push(5);
  44   VERIFY( count < c.size() );
  45 }
  46
  47 int
  48 main()
  49 {
  50   test01();
  51 }