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+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2005, 2007 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without Pred the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 25.3.6 Heap operations [lib.alg.heap.operations]
+
+#undef _GLIBCXX_CONCEPT_CHECKS
+#define _GLIBCXX_TESTSUITE_ALLOW_RVALREF_ALIASING
+
+#include <algorithm>
+#include <testsuite_hooks.h>
+#include <testsuite_iterators.h>
+#include <testsuite_rvalref.h>
+
+using __gnu_test::test_container;
+using __gnu_test::random_access_iterator_wrapper;
+using __gnu_test::rvalstruct;
+
+typedef test_container<rvalstruct, random_access_iterator_wrapper> container;
+typedef test_container<int, random_access_iterator_wrapper> container_ref;
+
+bool test __attribute__((unused)) = true;
+
+void
+check_make(int* array, int length)
+{
+ rvalstruct makeheap[9];
+ int makeheap_ref[9];
+ std::copy(array, array + length, makeheap);
+ std::copy(array, array + length, makeheap_ref);
+ container makecon(makeheap, makeheap + length);
+ container_ref makecon_ref(makeheap_ref, makeheap_ref + length);
+ std::make_heap(makecon.begin(), makecon.end());
+ std::make_heap(makecon_ref.begin(), makecon_ref.end());
+ for (int z = 0; z < length; ++z)
+ VERIFY( makeheap[z] == makeheap_ref[z] );
+ VERIFY( std::__is_heap(makecon.begin(), makecon.end()) );
+ for (int z = 0; z < length; ++z)
+ VERIFY( makeheap[z].valid );
+}
+
+void
+check_pop(int* array, int length)
+{
+ rvalstruct popheap[9];
+ int popheap_ref[9];
+ std::copy(array, array + length, popheap);
+ std::copy(array, array + length, popheap_ref);
+ container popcon(popheap, popheap + length);
+ container_ref popcon_ref(popheap_ref, popheap_ref + length);
+ std::pop_heap(popcon.begin(), popcon.end());
+ std::pop_heap(popcon_ref.begin(), popcon_ref.end());
+ for (int z = 0; z < length; ++z)
+ VERIFY( popheap[z] == popheap_ref[z] );
+ VERIFY( (std::__is_heap(popheap, popheap + length - 1)) );
+ for (int z = 0; z < length; ++z)
+ VERIFY( popheap[z].val <= popheap[length-1].val && popheap[z].valid );
+}
+
+void
+check_sort(int* array, int length)
+{
+ rvalstruct sortheap[9];
+ int sortheap_ref[9];
+ std::copy(array, array + length, sortheap);
+ std::copy(array, array + length, sortheap_ref);
+ container sortcon(sortheap, sortheap + length);
+ container_ref sortcon_ref(sortheap_ref, sortheap_ref + length);
+ std::sort_heap(sortcon.begin(), sortcon.end());
+ std::sort_heap(sortcon_ref.begin(), sortcon_ref.end());
+ for (int z = 0; z < length; ++z)
+ VERIFY( sortheap[z] == sortheap_ref[z] );
+ for (int z = 0; z < length - 1; ++z)
+ VERIFY( sortheap[z].val <= sortheap[z + 1].val && sortheap[z].valid );
+ VERIFY( sortheap[length - 1].valid );
+}
+
+void
+check_push(int* array, int pushval, int length)
+{
+ rvalstruct pushheap[10];
+ int pushheap_ref[10];
+ std::copy(array, array + length, pushheap);
+ std::copy(array, array + length, pushheap_ref);
+ pushheap[length] = pushval;
+ pushheap_ref[length] = pushval;
+ container pushcon(pushheap, pushheap + length + 1);
+ container_ref pushcon_ref(pushheap_ref, pushheap_ref + length + 1);
+ std::push_heap(pushcon.begin(), pushcon.end());
+ std::push_heap(pushcon_ref.begin(), pushcon_ref.end());
+ for (int z = 0; z < length + 1; ++z)
+ VERIFY( pushheap[z] == pushheap_ref[z] );
+ VERIFY( std::__is_heap(pushheap, pushheap + length + 1) );
+ for (int z = 0; z < length + 1; ++z)
+ VERIFY( pushheap[z].valid );
+}
+
+void
+test01()
+{
+ int array[9];
+ for (int i = 1; i < 9; ++i)
+ {
+ for(int z = 0; z < i; ++z)
+ array[z] = z;
+ while (std::next_permutation(array, array + i))
+ {
+ check_make(array, i);
+ if (std::__is_heap(array, array + i))
+ {
+ check_pop(array, i);
+ check_sort(array, i);
+ for (int pushval = -1; pushval <= i; ++pushval)
+ check_push(array, pushval, i);
+ }
+ }
+ }
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}