mirror of git://gcc.gnu.org/git/gcc.git
120 lines
3.6 KiB
C++
120 lines
3.6 KiB
C++
// { dg-options "-std=gnu++17" }
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// { dg-do compile { target c++17 } }
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// Copyright (C) 2018 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <optional>
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struct X
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{
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~X();
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};
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struct Y
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{
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Y& operator=(const Y&) = default;
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Y& operator=(Y&&);
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Y(const Y&) = default;
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Y(Y&&) = default;
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};
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struct Z
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{
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Z& operator=(const Z&);
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Z& operator=(Z&&) = default;
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Z(const Z&) = default;
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};
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struct Y2
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{
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Y2& operator=(const Y2&) = default;
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Y2& operator=(Y2&&);
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};
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struct Z2
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{
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Z2& operator=(const Z2&);
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Z2& operator=(Z2&&) = default;
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};
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static_assert(std::is_trivially_copy_assignable_v<std::optional<int>>);
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static_assert(std::is_trivially_move_assignable_v<std::optional<int>>);
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static_assert(!std::is_trivially_copy_assignable_v<std::optional<X>>);
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static_assert(!std::is_trivially_move_assignable_v<std::optional<X>>);
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static_assert(std::is_trivially_copy_assignable_v<std::optional<Y>>);
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static_assert(!std::is_trivially_move_assignable_v<std::optional<Y>>);
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static_assert(!std::is_trivially_copy_assignable_v<std::optional<Z>>);
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static_assert(std::is_trivially_move_assignable_v<std::optional<Z>>);
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static_assert(std::is_trivially_copy_assignable_v<Y2>);
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static_assert(!std::is_trivially_move_assignable_v<Y2>);
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static_assert(!std::is_trivially_copy_assignable_v<std::optional<Y2>>);
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static_assert(!std::is_trivially_move_assignable_v<std::optional<Y2>>);
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static_assert(!std::is_trivially_copy_assignable_v<Z2>);
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static_assert(std::is_trivially_move_assignable_v<Z2>);
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static_assert(!std::is_trivially_copy_assignable_v<std::optional<Z2>>);
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static_assert(!std::is_trivially_move_assignable_v<std::optional<Z2>>);
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struct S {
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S(const S&&) = delete;
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S& operator=(const S&) = default;
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};
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static_assert(std::is_trivially_copy_assignable_v<S>);
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union U {
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char dummy;
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S s;
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};
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static_assert(std::is_trivially_copy_assignable_v<U>);
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static_assert(!std::is_trivially_copy_assignable_v<std::optional<S>>);
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static_assert(!std::is_copy_assignable_v<std::optional<S>>);
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struct S2 {
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S2(S2&&) = delete;
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S2& operator=(const S2&) = default;
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};
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static_assert(std::is_trivially_move_assignable_v<S2>);
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struct S3 {
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S3(const S3&);
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S3& operator=(const S3&) = default;
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};
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static_assert(std::is_trivially_copy_assignable_v<S3>);
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static_assert(std::is_copy_assignable_v<S3>);
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static_assert(!std::is_trivially_copy_assignable_v<std::optional<S3>>);
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static_assert(std::is_copy_assignable_v<std::optional<S3>>);
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struct S4 {
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S4(S4&&);
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S4& operator=(S4&&) = default;
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};
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static_assert(std::is_trivially_move_assignable_v<S4>);
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static_assert(std::is_move_assignable_v<S4>);
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static_assert(!std::is_trivially_move_assignable_v<std::optional<S4>>);
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static_assert(std::is_move_assignable_v<std::optional<S4>>);
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union U2 {
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char dummy;
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S2 s;
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};
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static_assert(std::is_trivially_move_assignable_v<U2>);
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static_assert(!std::is_trivially_move_assignable_v<std::optional<S2>>);
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static_assert(!std::is_move_assignable_v<std::optional<S2>>);
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