143 lines
4.4 KiB
C++
143 lines
4.4 KiB
C++
// Copyright (C) 2005-2017 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-options "-DITERATIONS=5" { target simulator } }
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// { dg-do run { target c++11 } }
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// 25.3.6 Heap operations [lib.alg.heap.operations]
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#undef _GLIBCXX_CONCEPT_CHECKS
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#include <algorithm>
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#include <testsuite_hooks.h>
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#include <testsuite_iterators.h>
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#include <testsuite_rvalref.h>
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#ifndef ITERATIONS
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#define ITERATIONS 9
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#endif
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using __gnu_test::test_container;
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using __gnu_test::random_access_iterator_wrapper;
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using __gnu_test::rvalstruct;
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typedef test_container<rvalstruct, random_access_iterator_wrapper> container;
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typedef test_container<int, random_access_iterator_wrapper> container_ref;
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void
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check_make(int* array, int length)
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{
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rvalstruct makeheap[9];
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int makeheap_ref[9];
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std::copy(array, array + length, makeheap);
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std::copy(array, array + length, makeheap_ref);
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container makecon(makeheap, makeheap + length);
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container_ref makecon_ref(makeheap_ref, makeheap_ref + length);
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std::make_heap(makecon.begin(), makecon.end());
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std::make_heap(makecon_ref.begin(), makecon_ref.end());
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for (int z = 0; z < length; ++z)
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VERIFY( makeheap[z] == makeheap_ref[z] );
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VERIFY( std::__is_heap(makecon.begin(), makecon.end()) );
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for (int z = 0; z < length; ++z)
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VERIFY( makeheap[z].valid );
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}
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void
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check_pop(int* array, int length)
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{
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rvalstruct popheap[9];
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int popheap_ref[9];
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std::copy(array, array + length, popheap);
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std::copy(array, array + length, popheap_ref);
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container popcon(popheap, popheap + length);
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container_ref popcon_ref(popheap_ref, popheap_ref + length);
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std::pop_heap(popcon.begin(), popcon.end());
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std::pop_heap(popcon_ref.begin(), popcon_ref.end());
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for (int z = 0; z < length; ++z)
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VERIFY( popheap[z] == popheap_ref[z] );
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VERIFY( (std::__is_heap(popheap, popheap + length - 1)) );
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for (int z = 0; z < length; ++z)
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VERIFY( popheap[z].val <= popheap[length-1].val && popheap[z].valid );
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}
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void
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check_sort(int* array, int length)
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{
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rvalstruct sortheap[9];
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int sortheap_ref[9];
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std::copy(array, array + length, sortheap);
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std::copy(array, array + length, sortheap_ref);
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container sortcon(sortheap, sortheap + length);
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container_ref sortcon_ref(sortheap_ref, sortheap_ref + length);
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std::sort_heap(sortcon.begin(), sortcon.end());
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std::sort_heap(sortcon_ref.begin(), sortcon_ref.end());
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for (int z = 0; z < length; ++z)
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VERIFY( sortheap[z] == sortheap_ref[z] );
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for (int z = 0; z < length - 1; ++z)
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VERIFY( sortheap[z].val <= sortheap[z + 1].val && sortheap[z].valid );
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VERIFY( sortheap[length - 1].valid );
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}
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void
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check_push(int* array, int pushval, int length)
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{
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rvalstruct pushheap[10];
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int pushheap_ref[10];
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std::copy(array, array + length, pushheap);
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std::copy(array, array + length, pushheap_ref);
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pushheap[length] = pushval;
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pushheap_ref[length] = pushval;
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container pushcon(pushheap, pushheap + length + 1);
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container_ref pushcon_ref(pushheap_ref, pushheap_ref + length + 1);
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std::push_heap(pushcon.begin(), pushcon.end());
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std::push_heap(pushcon_ref.begin(), pushcon_ref.end());
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for (int z = 0; z < length + 1; ++z)
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VERIFY( pushheap[z] == pushheap_ref[z] );
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VERIFY( std::__is_heap(pushheap, pushheap + length + 1) );
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for (int z = 0; z < length + 1; ++z)
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VERIFY( pushheap[z].valid );
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}
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void
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test01()
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{
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int array[9];
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for (int i = 1; i < ITERATIONS; ++i)
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{
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for(int z = 0; z < i; ++z)
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array[z] = z;
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while (std::next_permutation(array, array + i))
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{
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check_make(array, i);
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if (std::__is_heap(array, array + i))
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{
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check_pop(array, i);
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check_sort(array, i);
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for (int pushval = -1; pushval <= i; ++pushval)
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check_push(array, pushval, i);
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}
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}
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}
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}
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int
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main()
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{
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test01();
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return 0;
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}
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