diff options
Diffstat (limited to 'libstdc++-v3/testsuite/20_util/is_nothrow_constructible/value_c++20.cc')
-rw-r--r-- | libstdc++-v3/testsuite/20_util/is_nothrow_constructible/value_c++20.cc | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/20_util/is_nothrow_constructible/value_c++20.cc b/libstdc++-v3/testsuite/20_util/is_nothrow_constructible/value_c++20.cc new file mode 100644 index 00000000000..6bf0a513b14 --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/is_nothrow_constructible/value_c++20.cc @@ -0,0 +1,69 @@ +// { 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> ); |