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libcxx/test/std/utilities/utility/pairs/pairs.pair/move_ctor.pass.cpp

45 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <utility>
// template <class T1, class T2> struct pair
// pair(pair&&) = default;
#include <utility>
#include <memory>
#include <cassert>
#include "test_macros.h"
struct Dummy {
Dummy(Dummy const&) = delete;
Dummy(Dummy &&) = default;
};
int main()
{
{
typedef std::pair<int, short> P1;
static_assert(std::is_move_constructible<P1>::value, "");
P1 p1(3, static_cast<short>(4));
P1 p2 = std::move(p1);
assert(p2.first == 3);
assert(p2.second == 4);
}
{
using P = std::pair<Dummy, int>;
static_assert(!std::is_copy_constructible<P>::value, "");
static_assert(std::is_move_constructible<P>::value, "");
}
}