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78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
// { dg-do run { target c++14 } }
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// Copyright (C) 2016-2017 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 <experimental/any>
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#include <testsuite_hooks.h>
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using std::experimental::any;
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using std::experimental::any_cast;
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bool should_throw = false;
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struct Bad
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{
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Bad() = default;
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Bad(const Bad&) {if (should_throw) throw 666;}
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};
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struct Bad2
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{
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Bad2() = default;
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Bad2(const Bad2&) {if (should_throw) throw 666;}
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Bad2(Bad2&&) noexcept {}
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};
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int del_count = 0;
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struct Good
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{
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Good() = default;
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Good(const Good&) = default;
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Good(Good&&) = default;
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~Good() {++del_count;}
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};
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int main()
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{
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any a1 = Good();
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del_count = 0;
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try {
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Bad b;
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any a2 = b;
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should_throw = true;
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a1 = a2;
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} catch (...) {
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auto x = any_cast<Good>(a1);
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VERIFY( del_count == 0 );
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VERIFY( !a1.empty() );
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any_cast<Good>(a1);
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}
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any a3 = Good();
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del_count = 0;
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try {
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Bad2 b;
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any a4 = b;
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should_throw = true;
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a3 = a4;
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} catch (...) {
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auto x = any_cast<Good>(a1);
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VERIFY( del_count == 0 );
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VERIFY( !a1.empty() );
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any_cast<Good>(a1);
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}
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}
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