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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/testsuite/20_util/shared_ptr/assign/move.cc')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/testsuite/20_util/shared_ptr/assign/move.cc | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/testsuite/20_util/shared_ptr/assign/move.cc b/gcc-4.4.3/libstdc++-v3/testsuite/20_util/shared_ptr/assign/move.cc new file mode 100644 index 000000000..1a7b20caf --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/testsuite/20_util/shared_ptr/assign/move.cc @@ -0,0 +1,118 @@ +// { dg-options "-std=gnu++0x" } + +// Copyright (C) 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 <utility> +#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; + +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] + +// Rvalue assignment from shared_ptr +void +test01() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr<A> a1; + std::shared_ptr<A> a2(new A); + + a1 = std::move(a2); + VERIFY( a1.get() != 0 ); + VERIFY( a2.get() == 0 ); + VERIFY( a1.use_count() == 1 ); + VERIFY( a2.use_count() == 0 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 0 ); + + a1 = std::move(std::shared_ptr<A>()); + VERIFY( a1.get() == 0 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 1 ); +} + +// Rvalue assignment from shared_ptr<Y> +void +test02() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr<A> a; + std::shared_ptr<B> b(new B); + + a = std::move(b); + VERIFY( a.get() != 0 ); + VERIFY( b.get() == 0 ); + VERIFY( a.use_count() == 1 ); + VERIFY( b.use_count() == 0 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 0 ); + VERIFY( B::ctor_count == 1 ); + VERIFY( B::dtor_count == 0 ); + + a = std::move(std::shared_ptr<A>()); + VERIFY( a.get() == 0 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 1 ); + VERIFY( B::ctor_count == 1 ); + VERIFY( B::dtor_count == 1 ); +} + +int +main() +{ + test01(); + test02(); + return 0; +} |