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Add test accidentally not added in revision r239121 

* testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc:
	New test.

From-SVN: r239896
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Jonathan Wakely 2016-08-31 17:57:09 +01:00 committed by Jonathan Wakely
parent fc4eaccf10
commit 3625264fb3
2 changed files with 50 additions and 0 deletions
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libstdc++-v3/ChangeLog
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2016-08-31 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc:
New test.
2016-08-30 Ville Voutilainen <ville.voutilainen@gmail.com>
PR libstdc++/77395

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libstdc++-v3/testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc Normal file
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// Copyright (C) 2015-2016 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" }
#include <memory>
#include <testsuite_hooks.h>
#if __cpp_lib_enable_shared_from_this < 201603
# error "__cpp_lib_enable_shared_from_this < 201603"
#endif
struct X : public std::enable_shared_from_this<X> { };
void
test01()
{
std::shared_ptr<X> sp(new X);
auto wp1 = sp->weak_from_this();
std::weak_ptr<X> wp2 = sp;
std::owner_less<> less;
VERIFY( !less(wp1, wp2) && !less(wp2, wp1) );
VERIFY( !less(wp1, wp2) && !less(wp2, wp1) );
}
int
main()
{
test01();
}