Retro68/gcc/libstdc++-v3/testsuite/experimental/any/assign/exception.cc
2018-12-28 16:30:48 +01:00

78 lines
1.8 KiB
C++

// { dg-do run { target c++14 } }
// Copyright (C) 2016-2018 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 <experimental/any>
#include <testsuite_hooks.h>
using std::experimental::any;
using std::experimental::any_cast;
bool should_throw = false;
struct Bad
{
Bad() = default;
Bad(const Bad&) {if (should_throw) throw 666;}
};
struct Bad2
{
Bad2() = default;
Bad2(const Bad2&) {if (should_throw) throw 666;}
Bad2(Bad2&&) noexcept {}
};
int del_count = 0;
struct Good
{
Good() = default;
Good(const Good&) = default;
Good(Good&&) = default;
~Good() {++del_count;}
};
int main()
{
any a1 = Good();
del_count = 0;
try {
Bad b;
any a2 = b;
should_throw = true;
a1 = a2;
} catch (...) {
auto x = any_cast<Good>(a1);
VERIFY( del_count == 0 );
VERIFY( !a1.empty() );
any_cast<Good>(a1);
}
any a3 = Good();
del_count = 0;
try {
Bad2 b;
any a4 = b;
should_throw = true;
a3 = a4;
} catch (...) {
auto x = any_cast<Good>(a1);
VERIFY( del_count == 0 );
VERIFY( !a1.empty() );
any_cast<Good>(a1);
}
}