73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
// Copyright (C) 2019-2021 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/>.
|
|
|
|
// { dg-options "-std=gnu++17" }
|
|
// { dg-do run { target c++17 } }
|
|
|
|
#include <variant>
|
|
#include <testsuite_hooks.h>
|
|
|
|
void
|
|
test01()
|
|
{
|
|
struct ThrowingConversion {
|
|
operator int() { throw 0; }
|
|
};
|
|
|
|
std::variant<float, char, int> v{'a'};
|
|
try
|
|
{
|
|
ThrowingConversion x;
|
|
v.emplace<2>(x);
|
|
VERIFY(false);
|
|
}
|
|
catch (int)
|
|
{
|
|
VERIFY( !v.valueless_by_exception() );
|
|
VERIFY( v.index() == 1 );
|
|
VERIFY( std::get<1>(v) == 'a' );
|
|
}
|
|
}
|
|
|
|
void
|
|
test02()
|
|
{
|
|
struct ThrowingConstructor {
|
|
ThrowingConstructor(std::initializer_list<int>, char) { throw 1; }
|
|
};
|
|
|
|
std::variant<float, char, ThrowingConstructor> v{'a'};
|
|
try
|
|
{
|
|
v.emplace<2>({1, 2, 3}, '4');
|
|
VERIFY(false);
|
|
}
|
|
catch (int)
|
|
{
|
|
VERIFY( !v.valueless_by_exception() );
|
|
VERIFY( v.index() == 1 );
|
|
VERIFY( std::get<1>(v) == 'a' );
|
|
}
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
test01();
|
|
test02();
|
|
}
|