diff options
-rw-r--r-- | libstdc++-v3/ChangeLog | 5 | ||||
-rw-r--r-- | libstdc++-v3/testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc | 45 |
2 files changed, 50 insertions, 0 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index dc9ee9f5f1c..1007ade72b5 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,8 @@ +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 diff --git a/libstdc++-v3/testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc b/libstdc++-v3/testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc new file mode 100644 index 00000000000..b5ebb81239c --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc @@ -0,0 +1,45 @@ +// 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(); +} |