diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/testsuite/20_util/shared_ptr/cons/copy.cc')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/testsuite/20_util/shared_ptr/cons/copy.cc | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/testsuite/20_util/shared_ptr/cons/copy.cc b/gcc-4.4.3/libstdc++-v3/testsuite/20_util/shared_ptr/cons/copy.cc new file mode 100644 index 000000000..c5dcffea0 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/testsuite/20_util/shared_ptr/cons/copy.cc @@ -0,0 +1,136 @@ +// { 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; } + virtual ~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; } + virtual ~B() { ++dtor_count; } + static long ctor_count; + static long dtor_count; +}; +long B::ctor_count = 0; +long B::dtor_count = 0; + +void deleter(A* p) { delete p; } + +struct reset_count_struct +{ + ~reset_count_struct() + { + A::ctor_count = 0; + A::dtor_count = 0; + B::ctor_count = 0; + B::dtor_count = 0; + } +}; + +// 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const] + +// Copy construction +int test01() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr<A> a1; + std::shared_ptr<A> a2(a1); + VERIFY( a2.use_count() == 0 ); + VERIFY( A::ctor_count == 0 ); + VERIFY( A::dtor_count == 0 ); + VERIFY( B::ctor_count == 0 ); + VERIFY( B::dtor_count == 0 ); + + return 0; +} + +int +test02() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr<A> a1(new A); + std::shared_ptr<A> a2(a1); + VERIFY( a2.use_count() == 2 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 0 ); + VERIFY( B::ctor_count == 0 ); + VERIFY( B::dtor_count == 0 ); + + return 0; +} + +int +test03() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr<B> b(new B); + std::shared_ptr<A> a(b); + VERIFY( a.use_count() == 2 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 0 ); + VERIFY( B::ctor_count == 1 ); + VERIFY( B::dtor_count == 0 ); + + return 0; +} + +int +test04() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr<B> b(new B, &deleter); + std::shared_ptr<A> a(b); + VERIFY( a.use_count() == 2 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 0 ); + VERIFY( B::ctor_count == 1 ); + VERIFY( B::dtor_count == 0 ); + + return 0; +} + +int +main() +{ + test01(); + test02(); + test03(); + test04(); + return 0; +} |