mirror of git://gcc.gnu.org/git/gcc.git
74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
// { dg-options "-std=gnu++14" }
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// { dg-do run }
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// Copyright (C) 2014 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 <memory>
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#include <testsuite_hooks.h>
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using std::experimental::any;
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struct NotSmall
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{
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char c[64]; // prevent small-object optimization
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};
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struct T1
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{
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using allocator_type = std::allocator<char>;
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T1() = default;
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T1(const T1&) : used_alloc(false) { }
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T1(const T1&, const allocator_type&) : used_alloc(true) { }
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bool used_alloc;
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NotSmall x;
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};
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struct T2
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{
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using allocator_type = std::allocator<char>;
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T2() = default;
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T2(const T2&) : used_alloc(false) { }
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T2(std::allocator_arg_t, const allocator_type&, const T2&) : used_alloc(true)
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{ }
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bool used_alloc;
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NotSmall x;
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};
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bool test [[gnu::unused]] = true;
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void test01()
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{
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any x1(std::allocator_arg, std::allocator<char>{}, T1{});
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VERIFY( std::experimental::any_cast<T1&>(x1).used_alloc );
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any x2(std::allocator_arg, std::allocator<char>{}, T2{});
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VERIFY( std::experimental::any_cast<T2&>(x2).used_alloc );
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}
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int main()
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{
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test01();
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}
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