forked from OSchip/llvm-project
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <tuple>
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// template <class... Types> class tuple;
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// void swap(tuple& rhs);
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#include <tuple>
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#include <cassert>
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#include "MoveOnly.h"
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int main()
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{
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{
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typedef std::tuple<> T;
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T t0;
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T t1;
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t0.swap(t1);
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}
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{
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typedef std::tuple<MoveOnly> T;
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T t0(MoveOnly(0));
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T t1(MoveOnly(1));
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t0.swap(t1);
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assert(std::get<0>(t0) == 1);
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assert(std::get<0>(t1) == 0);
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}
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{
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typedef std::tuple<MoveOnly, MoveOnly> T;
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T t0(MoveOnly(0), MoveOnly(1));
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T t1(MoveOnly(2), MoveOnly(3));
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t0.swap(t1);
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assert(std::get<0>(t0) == 2);
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assert(std::get<1>(t0) == 3);
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assert(std::get<0>(t1) == 0);
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assert(std::get<1>(t1) == 1);
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}
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{
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typedef std::tuple<MoveOnly, MoveOnly, MoveOnly> T;
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T t0(MoveOnly(0), MoveOnly(1), MoveOnly(2));
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T t1(MoveOnly(3), MoveOnly(4), MoveOnly(5));
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t0.swap(t1);
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assert(std::get<0>(t0) == 3);
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assert(std::get<1>(t0) == 4);
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assert(std::get<2>(t0) == 5);
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assert(std::get<0>(t1) == 0);
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assert(std::get<1>(t1) == 1);
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assert(std::get<2>(t1) == 2);
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}
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}
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