mirror of git://gcc.gnu.org/git/gcc.git
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
// { dg-options "-std=gnu++11" }
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// Copyright (C) 2005-2014 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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// 25.2.12 [lib.alg.partitions] Partitions.
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#undef _GLIBCXX_CONCEPT_CHECKS
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#include <algorithm>
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#include <functional>
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#include <testsuite_hooks.h>
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#include <testsuite_rvalref.h>
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#include <testsuite_iterators.h>
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using __gnu_test::test_container;
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using __gnu_test::forward_iterator_wrapper;
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using __gnu_test::bidirectional_iterator_wrapper;
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using __gnu_test::rvalstruct;
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typedef test_container<rvalstruct, forward_iterator_wrapper> Fcontainer;
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typedef test_container<rvalstruct, bidirectional_iterator_wrapper> Bcontainer;
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bool test __attribute__((unused)) = true;
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const int A[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17};
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const int B[] = {2, 4, 6, 8, 10, 12, 14, 16, 1, 3, 5, 7, 9, 11, 13, 15, 17};
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const int N = sizeof(A) / sizeof(int);
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struct Pred
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{
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bool
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operator()(const rvalstruct& x) const
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{ return (x.val % 2) == 0; }
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};
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// 25.2.12 partition()
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void
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test01()
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{
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using std::partition;
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rvalstruct farray[N];
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rvalstruct barray[N];
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std::copy(A, A + N, farray);
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std::copy(A, A + N, barray);
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Fcontainer fcon(farray, farray + N);
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Bcontainer bcon(barray, barray + N);
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Pred pred;
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VERIFY(partition(fcon.begin(), fcon.end(), pred).ptr - farray == N/2);
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for (const rvalstruct* i = farray; i < farray+N/2; ++i)
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VERIFY(pred(*i));
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for (const rvalstruct* i = farray+N/2; i < farray + N; ++i)
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VERIFY(!pred(*i));
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VERIFY(partition(bcon.begin(), bcon.end(), pred).ptr - barray == N/2);
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for (const rvalstruct* i = barray; i < barray+N/2; ++i)
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VERIFY(pred(*i));
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for (const rvalstruct* i = barray+N/2; i < barray + N; ++i)
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VERIFY(!pred(*i));
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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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