mirror of git://gcc.gnu.org/git/gcc.git
68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
// { dg-do run }
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// { dg-options "-pthread" }
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// { dg-require-effective-target c++11 }
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// { dg-require-effective-target pthread }
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// { dg-require-gthreads "" }
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// Copyright (C) 2011-2018 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 <future>
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#include <testsuite_hooks.h>
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int value = 99;
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void test01()
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{
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std::promise<int> p1;
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std::future<int> f1(p1.get_future());
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std::shared_future<int> f2 = f1.share();
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p1.set_value(value);
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VERIFY( f2.get() == value );
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}
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void test02()
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{
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std::promise<int&> p1;
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std::future<int&> f1(p1.get_future());
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std::shared_future<int&> f2 = f1.share();
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p1.set_value(value);
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VERIFY( &f2.get() == &value );
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}
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void test03()
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{
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std::promise<void> p1;
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std::future<void> f1(p1.get_future());
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std::shared_future<void> f2 = f1.share();
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p1.set_value();
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f2.get();
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}
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int main()
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{
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test01();
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test02();
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test03();
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return 0;
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}
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