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

57 lines
1.6 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.
//
//===----------------------------------------------------------------------===//
// <utility>
// template <class T1, class T2> struct pair
// pair(pair const&) = default;
// pair(pair&&) = default;
// Doesn't pass due to use of is_trivially_* trait.
// XFAIL: gcc-4.9
#include <utility>
#include <cassert>
#include "test_macros.h"
struct Dummy {
Dummy(Dummy const&) = delete;
Dummy(Dummy &&) = default;
};
int main()
{
typedef std::pair<int, short> P;
{
static_assert(std::is_copy_constructible<P>::value, "");
#if !defined(_LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR)
static_assert(std::is_trivially_copy_constructible<P>::value, "");
#endif
}
#if TEST_STD_VER >= 11
{
static_assert(std::is_move_constructible<P>::value, "");
#if !defined(_LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR)
static_assert(std::is_trivially_move_constructible<P>::value, "");
#endif
}
{
using P1 = std::pair<Dummy, int>;
static_assert(!std::is_copy_constructible<P1>::value, "");
static_assert(!std::is_trivially_copy_constructible<P1>::value, "");
static_assert(std::is_move_constructible<P1>::value, "");
#if !defined(_LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR)
static_assert(std::is_trivially_move_constructible<P1>::value, "");
#endif
}
#endif
}