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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [20_util/] [tuple/] [swap.cc] - Rev 774
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// { dg-options "-std=gnu++0x" } // Copyright (C) 2007, 2009 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/>. // NOTE: This makes use of the fact that we know how moveable // is implemented on tuple. If the implementation changed // this test may begin to fail. #include <tuple> #include <utility> #include <testsuite_hooks.h> struct MoveOnly { explicit MoveOnly (int j) : i(j) { } MoveOnly (MoveOnly&& m) : i(m.i) { } MoveOnly& operator=(MoveOnly&& m) { i = m.i; return *this; } MoveOnly(MoveOnly const&) = delete; MoveOnly& operator=(MoveOnly const&) = delete; bool operator==(MoveOnly const& m) { return i == m.i; } void swap(MoveOnly& m) { std::swap(m.i, i); } int i; }; void swap(MoveOnly& m1, MoveOnly& m2) { m1.swap(m2); } MoveOnly make_move_only (int i) { return MoveOnly(i); } void test01() { bool test __attribute__((unused)) = true; std::tuple<> t1, t2; std::swap(t1, t2); VERIFY( t1 == t2 ); } void test02() { bool test __attribute__((unused)) = true; std::tuple<int> t1(1), t2(2); std::swap(t1, t2); VERIFY( std::get<0>(t1) == 2 && std::get<0>(t2) == 1 ); } void test03() { bool test __attribute__((unused)) = true; std::tuple<int, float> t1(1, 1.0f), t2(2, 2.0f); std::swap(t1, t2); VERIFY( std::get<0>(t1) == 2 && std::get<0>(t2) == 1 ); VERIFY( std::get<1>(t1) == 2.0f && std::get<1>(t2) == 1.0f ); } void test04() { bool test __attribute__((unused)) = true; std::tuple<int, float, MoveOnly> t1(1, 1.0f, make_move_only(1)), t2(2, 2.0f, make_move_only(2)); std::swap(t1, t2); VERIFY( std::get<0>(t1) == 2 && std::get<0>(t2) == 1 ); VERIFY( std::get<1>(t1) == 2.0f && std::get<1>(t2) == 1.0f ); VERIFY( std::get<2>(t1) == make_move_only(2) && std::get<2>(t2) == make_move_only(1) ); } int main() { test01(); test02(); test03(); test04(); return 0; }
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