Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/20_util/is_nothrow_constructible/value_c++20.cc @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// { dg-options "-std=gnu++2a" } // { dg-do compile { target c++2a } } // Copyright (C) 2020 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 <type_traits> static_assert( std::is_nothrow_constructible_v<int[1]> ); static_assert( std::is_nothrow_constructible_v<int[1], int> ); static_assert( std::is_nothrow_constructible_v<int[2], int> ); static_assert( std::is_nothrow_constructible_v<int[2], int, int> ); static_assert( ! std::is_nothrow_constructible_v<int[1], int, int> ); static_assert( ! std::is_nothrow_constructible_v<int[]> ); static_assert( ! std::is_nothrow_constructible_v<int[], int> ); static_assert( ! std::is_nothrow_constructible_v<int[], int, int> ); struct X { X() = default; X(int) noexcept { } X(double) { } }; static_assert( std::is_nothrow_constructible_v<X[2]> ); static_assert( std::is_nothrow_constructible_v<X[1], X> ); static_assert( std::is_nothrow_constructible_v<X[1], int> ); static_assert( ! std::is_nothrow_constructible_v<X[1], double> ); static_assert( ! std::is_nothrow_constructible_v<X[2], int, double> ); struct Y { int i; X x; }; static_assert( std::is_nothrow_constructible_v<Y> ); static_assert( std::is_nothrow_constructible_v<Y, Y> ); static_assert( std::is_nothrow_constructible_v<Y, int> ); static_assert( ! std::is_nothrow_constructible_v<Y, X> ); static_assert( std::is_nothrow_constructible_v<Y, int, X> ); static_assert( std::is_nothrow_constructible_v<Y, int, int> ); static_assert( ! std::is_nothrow_constructible_v<Y, int, double> ); struct Z : Y { }; static_assert( std::is_nothrow_constructible_v<Z> ); static_assert( std::is_nothrow_constructible_v<Z, Z> ); static_assert( std::is_nothrow_constructible_v<Z, Y> ); static_assert( ! std::is_nothrow_constructible_v<Z, int> ); static_assert( ! std::is_nothrow_constructible_v<Z, int, X> ); static_assert( ! std::is_nothrow_constructible_v<Z, int, int> ); static_assert( ! std::is_nothrow_constructible_v<Z, Y, double> ); static_assert( ! std::is_nothrow_constructible_v<Z, int, double> ); static_assert( ! std::is_nothrow_constructible_v<Z, X> );