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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<ValueType T, size_t N>
// requires Swappable<T>
// void
// swap(T (&a)[N], T (&b)[N]);
#include <utility>
#include <cassert>
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
#include <memory>
#endif
void
test()
{
int i[3] = {1, 2, 3};
int j[3] = {4, 5, 6};
std::swap(i, j);
assert(i[0] == 4);
assert(i[1] == 5);
assert(i[2] == 6);
assert(j[0] == 1);
assert(j[1] == 2);
assert(j[2] == 3);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
void
test1()
{
std::unique_ptr<int> i[3];
for (int k = 0; k < 3; ++k)
i[k].reset(new int(k+1));
std::unique_ptr<int> j[3];
for (int k = 0; k < 3; ++k)
j[k].reset(new int(k+4));
std::swap(i, j);
assert(*i[0] == 4);
assert(*i[1] == 5);
assert(*i[2] == 6);
assert(*j[0] == 1);
assert(*j[1] == 2);
assert(*j[2] == 3);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
int main()
{
test();
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
test1();
#endif
}
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