diff options
Diffstat (limited to 'libstdc++-v3/testsuite/20_util/shared_ptr/dest')
-rw-r--r-- | libstdc++-v3/testsuite/20_util/shared_ptr/dest/dest.cc | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/dest/dest.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/dest/dest.cc new file mode 100644 index 000000000..5e1a6135f --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/shared_ptr/dest/dest.cc @@ -0,0 +1,134 @@ +// { dg-options "-std=gnu++0x" } + +// Copyright (C) 2005, 2006, 2007, 2009 Free Software Foundation +// +// 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 +{ + A() { ++ctor_count; } + ~A() { ++dtor_count; } + static long ctor_count; + static long dtor_count; +}; +long A::ctor_count = 0; +long A::dtor_count = 0; + +struct B : A +{ + B() { ++ctor_count; } + ~B() { ++dtor_count; } + static long ctor_count; + static long dtor_count; +}; +long B::ctor_count = 0; +long B::dtor_count = 0; + +struct D +{ + void operator()(const B* p) { delete p; ++delete_count; } + static long delete_count; +}; +long D::delete_count = 0; + +struct reset_count_struct +{ + ~reset_count_struct() + { + A::ctor_count = 0; + A::dtor_count = 0; + B::ctor_count = 0; + B::dtor_count = 0; + D::delete_count = 0; + } +}; + + +// 20.6.6.2.2 shared_ptr destructor [util.smartptr.shared.dest] + +// empty shared_ptr +int +test01() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + { + std::shared_ptr<A> a; + } + VERIFY( A::ctor_count == 0 ); + VERIFY( A::dtor_count == 0 ); + VERIFY( B::ctor_count == 0 ); + VERIFY( B::dtor_count == 0 ); + VERIFY( D::delete_count == 0 ); + + return 0; +} + +// shared ownership +int +test02() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr<A> a; + { + a = std::shared_ptr<A>(new B, D()); + } + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 0 ); + VERIFY( B::ctor_count == 1 ); + VERIFY( B::dtor_count == 0 ); + VERIFY( D::delete_count == 0 ); + + return 0; +} + +// exclusive ownership +int +test03() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + { + std::shared_ptr<A> a1(new B); + std::shared_ptr<A> a2(new B, D()); + } + VERIFY( A::ctor_count == 2 ); + VERIFY( A::dtor_count == 2 ); + VERIFY( B::ctor_count == 2 ); + VERIFY( B::dtor_count == 2 ); + VERIFY( D::delete_count == 1 ); + + return 0; +} + + +int +main() +{ + test01(); + test02(); + test03(); + return 0; +} |