gcc/libstdc++-v3/testsuite/20_util/optional/cons/trivial.cc

48 lines
1.5 KiB
C++

// { dg-options "-std=gnu++17" }
// { dg-do compile { target c++17 } }
// Copyright (C) 2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <optional>
struct X
{
~X();
};
struct Y
{
Y(const Y&) = default;
Y(Y&&);
};
struct Z
{
Z(const Z&);
Z(Z&&) = default;
};
static_assert(std::is_trivially_copy_constructible_v<std::optional<int>>);
static_assert(std::is_trivially_move_constructible_v<std::optional<int>>);
static_assert(!std::is_trivially_copy_constructible_v<std::optional<X>>);
static_assert(!std::is_trivially_move_constructible_v<std::optional<X>>);
static_assert(std::is_trivially_copy_constructible_v<std::optional<Y>>);
static_assert(!std::is_trivially_move_constructible_v<std::optional<Y>>);
static_assert(!std::is_trivially_copy_constructible_v<std::optional<Z>>);
static_assert(std::is_trivially_move_constructible_v<std::optional<Z>>);