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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.
//
//===----------------------------------------------------------------------===//
// <utility>
// template<class T>
// requires MoveAssignable<T> && MoveConstructible<T>
// void
// swap(T& a, T& b);
#include <utility>
#include <cassert>
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
#include <memory>
#endif
void
test()
{
int i = 1;
int j = 2;
std::swap(i, j);
assert(i == 2);
assert(j == 1);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
void
test1()
{
std::unique_ptr<int> i(new int(1));
std::unique_ptr<int> j(new int(2));
std::swap(i, j);
assert(*i == 2);
assert(*j == 1);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
int main()
{
test();
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
test1();
#endif
}
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