diff options
Diffstat (limited to 'gcc-4.9/libstdc++-v3/testsuite/20_util/shared_ptr/observers/bool_conv.cc')
-rw-r--r-- | gcc-4.9/libstdc++-v3/testsuite/20_util/shared_ptr/observers/bool_conv.cc | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/testsuite/20_util/shared_ptr/observers/bool_conv.cc b/gcc-4.9/libstdc++-v3/testsuite/20_util/shared_ptr/observers/bool_conv.cc new file mode 100644 index 000000000..4589d2eda --- /dev/null +++ b/gcc-4.9/libstdc++-v3/testsuite/20_util/shared_ptr/observers/bool_conv.cc @@ -0,0 +1,75 @@ +// { dg-options "-std=gnu++0x" } + +// Copyright (C) 2005-2014 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/>. + +// 20.6.6.2 Template class shared_ptr [util.smartptr.shared] + +#include <memory> +#include <testsuite_hooks.h> + +struct A { }; + +// 20.6.6.2.5 shared_ptr observers [util.smartptr.shared.obs] + +// conversion to bool +void +test01() +{ + bool test __attribute__((unused)) = true; + + const std::shared_ptr<A> p1; + VERIFY( static_cast<bool>(p1) == false ); + const std::shared_ptr<A> p2(p1); + VERIFY( static_cast<bool>(p2) == false ); +} + +void +test02() +{ + bool test __attribute__((unused)) = true; + + std::shared_ptr<A> p1(new A); + VERIFY( static_cast<bool>(p1) ); + std::shared_ptr<A> p2(p1); + VERIFY( static_cast<bool>(p2) ); + p1.reset(); + VERIFY( !static_cast<bool>(p1) ); + VERIFY( static_cast<bool>(p2) ); +} + +void +test03() +{ + bool test __attribute__((unused)) = true; + + std::shared_ptr<A> p1(new A); + std::shared_ptr<A> p2(p1); + p2.reset(new A); + VERIFY( static_cast<bool>(p1) ); + VERIFY( static_cast<bool>(p2) ); +} + + +int +main() +{ + test01(); + test02(); + test03(); + return 0; +} |