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gcc/libstdc++-v3/testsuite/20_util/is_swappable/value.cc
Daniel Kruegler 26b5ace7ea libstdc++/68877 Reimplement std::__is_swappable 
2016-01-12  Daniel Kruegler  <daniel.kruegler@gmail.com>

	PR libstdc++/68877
	* include/std/type_traits: Following N4511, reimplement __is_swappable
	and __is_nothrow_swappable. Move __is_swappable to namespace std,
	adjust callers. Use __is_nothrow_swappable in swap.
	* include/bits/move.h: Use __is_nothrow_swappable in swap.
	* testsuite/20_util/is_nothrow_swappable/value.cc: Extend; remove
	__is_swappable related tests.
	* testsuite/20_util/is_swappable/value.cc: New.
	* testsuite/20_util/is_swappable/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_swappable/requirements/typedefs.cc: New.
	* testsuite/25_algorithms/swap/68877.cc: New.

From-SVN: r232296
2016-01-12 21:19:58 +00:00

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// { dg-options "-std=gnu++11" }
// { dg-do compile }
// Copyright (C) 2015 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 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <type_traits>
#include <testsuite_tr1.h>
#include <utility>
#include <array>
#include <tuple>
#include <queue>
#include <stack>
namespace funny {
struct F {};
void swap(F&, F&) = delete;
void swap(F(&)[5], F(&)[5]);
struct F2
{
friend void swap(F2&, F2&) = delete;
};
struct F3
{
friend void swap(F3&, F3) {}
};
}
void test01()
{
using std::__is_swappable;
using namespace __gnu_test;
// Positive tests.
static_assert(test_property<__is_swappable, int>(true), "");
static_assert(test_property<__is_swappable, bool>(true), "");
static_assert(test_property<__is_swappable, decltype(nullptr)>(true), "");
static_assert(test_property<__is_swappable, int&>(true), "");
static_assert(test_property<__is_swappable, int&&>(true), "");
static_assert(test_property<__is_swappable, int[1]>(true), "");
static_assert(test_property<__is_swappable, int[1][2]>(true), "");
static_assert(test_property<__is_swappable, int[1][2][3]>(true), "");
static_assert(test_property<__is_swappable, int(&)[1]>(true), "");
static_assert(test_property<__is_swappable, funny::F[5]>(true), "");
static_assert(test_property<__is_swappable, funny::F3>(true), "");
static_assert(test_property<__is_swappable, funny::F3[1]>(true), "");
static_assert(test_property<__is_swappable, funny::F3[1][2]>(true), "");
static_assert(test_property<__is_swappable, funny::F3[1][2][3]>(true), "");
static_assert(test_property<__is_swappable,
ThrowCopyConsClass>(true), "");
static_assert(test_property<__is_swappable, EnumType>(true), "");
static_assert(test_property<__is_swappable, PODType>(true), "");
static_assert(test_property<__is_swappable, UnionType>(true), "");
static_assert(test_property<__is_swappable, construct::SE>(true), "");
static_assert(test_property<__is_swappable, construct::Empty>(true), "");
static_assert(test_property<__is_swappable, void*>(true), "");
static_assert(test_property<__is_swappable, int const*>(true), "");
static_assert(test_property<__is_swappable, ClassType*>(true), "");
static_assert(test_property<__is_swappable, int ClassType::*>(true), "");
static_assert(test_property<__is_swappable,
void (ClassType::*)()>(true), "");
static_assert(test_property<__is_swappable,
construct::Nontrivial>(true), "");
static_assert(test_property<__is_swappable, construct::Any>(true), "");
static_assert(test_property<__is_swappable, construct::nAny>(true), "");
static_assert(test_property<__is_swappable,
std::pair<int, int>>(true), "");
static_assert(test_property<__is_swappable,
std::pair<int, int>[1]>(true), "");
static_assert(test_property<__is_swappable,
std::pair<int, int>[1][2]>(true), "");
static_assert(test_property<__is_swappable,
std::pair<int, int>[1][2][3]>(true), "");
static_assert(test_property<__is_swappable,
std::pair<construct::Nontrivial, construct::Nontrivial>>(true), "");
static_assert(test_property<__is_swappable,
std::tuple<int>>(true), "");
static_assert(test_property<__is_swappable,
std::tuple<int>[1]>(true), "");
static_assert(test_property<__is_swappable,
std::tuple<int>[1][2]>(true), "");
static_assert(test_property<__is_swappable,
std::tuple<int>[1][2][3]>(true), "");
static_assert(test_property<__is_swappable,
std::tuple<>>(true), "");
static_assert(test_property<__is_swappable,
std::tuple<>[1]>(true), "");
static_assert(test_property<__is_swappable,
std::tuple<>[1][2]>(true), "");
static_assert(test_property<__is_swappable,
std::tuple<>[1][2][3]>(true), "");
static_assert(test_property<__is_swappable,
std::tuple<construct::Nontrivial>>(true), "");
static_assert(test_property<__is_swappable,
std::array<int, 1>>(true), "");
static_assert(test_property<__is_swappable,
std::array<int, 1>[1]>(true), "");
static_assert(test_property<__is_swappable,
std::array<int, 1>[1][2]>(true), "");
static_assert(test_property<__is_swappable,
std::array<int, 1>[1][2][3]>(true), "");
static_assert(test_property<__is_swappable,
std::array<construct::Nontrivial, 1>>(true), "");
static_assert(test_property<__is_swappable,
std::queue<int>>(true), "");
static_assert(test_property<__is_swappable,
std::queue<int>[1]>(true), "");
static_assert(test_property<__is_swappable,
std::queue<int>[1][2]>(true), "");
static_assert(test_property<__is_swappable,
std::queue<int>[1][2][3]>(true), "");
static_assert(test_property<__is_swappable,
std::queue<construct::Nontrivial>>(true), "");
static_assert(test_property<__is_swappable,
std::priority_queue<int>>(true), "");
static_assert(test_property<__is_swappable,
std::priority_queue<int>[1]>(true), "");
static_assert(test_property<__is_swappable,
std::priority_queue<int>[1][2]>(true), "");
static_assert(test_property<__is_swappable,
std::priority_queue<int>[1][2][3]>(true), "");
static_assert(test_property<__is_swappable,
std::priority_queue<construct::Nontrivial>>(true), "");
static_assert(test_property<__is_swappable,
std::stack<int>>(true), "");
static_assert(test_property<__is_swappable,
std::stack<int>[1]>(true), "");
static_assert(test_property<__is_swappable,
std::stack<int>[1][2]>(true), "");
static_assert(test_property<__is_swappable,
std::stack<int>[1][2][3]>(true), "");
static_assert(test_property<__is_swappable,
std::stack<construct::Nontrivial>>(true), "");
// Negative tests.
static_assert(test_property<__is_swappable, void>(false), "");
static_assert(test_property<__is_swappable, const void>(false), "");
static_assert(test_property<__is_swappable, void()>(false), "");
static_assert(test_property<__is_swappable, void() const>(false), "");
static_assert(test_property<__is_swappable, void() volatile>(false), "");
static_assert(test_property<__is_swappable,
void() const volatile>(false), "");
static_assert(test_property<__is_swappable, const int>(false), "");
static_assert(test_property<__is_swappable, const bool>(false), "");
static_assert(test_property<__is_swappable, int[]>(false), "");
static_assert(test_property<__is_swappable, const int[]>(false), "");
static_assert(test_property<__is_swappable, int[][1]>(false), "");
static_assert(test_property<__is_swappable, const int[1]>(false), "");
static_assert(test_property<__is_swappable, const int[1][2]>(false), "");
static_assert(test_property<__is_swappable, const int[1][2][3]>(false), "");
static_assert(test_property<__is_swappable, construct::DelCopy>(false), "");
static_assert(test_property<__is_swappable,
construct::Abstract>(false), "");
static_assert(test_property<__is_swappable,
construct::NontrivialUnion>(false), "");
static_assert(test_property<__is_swappable, funny::F>(false), "");
static_assert(test_property<__is_swappable, funny::F[1]>(false), "");
static_assert(test_property<__is_swappable, funny::F[1][2]>(false), "");
static_assert(test_property<__is_swappable, funny::F[1][2][3]>(false), "");
static_assert(test_property<__is_swappable, funny::F[4]>(false), "");
static_assert(test_property<__is_swappable, construct::DelCopy>(false), "");
static_assert(test_property<__is_swappable,
DeletedCopyAssignClass>(false), "");
static_assert(test_property<__is_swappable,
DeletedMoveAssignClass>(false), "");
static_assert(test_property<__is_swappable, funny::F2>(false), "");
static_assert(test_property<__is_swappable, funny::F2[1]>(false), "");
static_assert(test_property<__is_swappable, funny::F2[1][2]>(false), "");
static_assert(test_property<__is_swappable, funny::F2[1][2][3]>(false), "");
static_assert(test_property<__is_swappable, funny::F2[4]>(false), "");
static_assert(test_property<__is_swappable, funny::F2[5]>(false), "");
}
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