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