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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [20_util/] [shared_ptr/] [cons/] [alloc.cc] - Rev 749
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// { 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 <testsuite_hooks.h> #include <testsuite_allocator.h> using __gnu_test::tracker_allocator_counter; using __gnu_test::tracker_allocator; struct A { }; void deletefunc(A* p) { delete p; } struct D { void operator()(A* p) { delete p; ++delete_count; } static long delete_count; }; long D::delete_count = 0; // 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const] // Construction with allocator int test01() { bool test __attribute__((unused)) = true; tracker_allocator_counter::reset(); std::shared_ptr<A> p1(new A, deletefunc, tracker_allocator<A>()); std::size_t const sz = tracker_allocator_counter::get_allocation_count(); VERIFY( sz > 0 ); { std::shared_ptr<A> p2(p1); VERIFY( p2.use_count() == 2 ); VERIFY( tracker_allocator_counter::get_allocation_count() == sz ); VERIFY( tracker_allocator_counter::get_deallocation_count() == 0 ); } VERIFY( p1.use_count() == 1 ); VERIFY( tracker_allocator_counter::get_allocation_count() == sz ); VERIFY( tracker_allocator_counter::get_deallocation_count() == 0 ); p1.reset(); VERIFY( p1.use_count() == 0 ); VERIFY( tracker_allocator_counter::get_allocation_count() == sz ); VERIFY( tracker_allocator_counter::get_deallocation_count() == sz ); return 0; } // Construction with allocator int test02() { bool test __attribute__((unused)) = true; tracker_allocator_counter::reset(); std::shared_ptr<A> p1(new A, deletefunc, tracker_allocator<A>()); std::size_t const sz1 = tracker_allocator_counter::get_allocation_count(); VERIFY( sz1 > 0 ); std::shared_ptr<A> p2(new A, D(), tracker_allocator<A>()); std::size_t const sz2 = tracker_allocator_counter::get_allocation_count(); VERIFY( sz2 > sz1 ); VERIFY( tracker_allocator_counter::get_deallocation_count() == 0 ); p1 = p2; VERIFY( p2.use_count() == 2 ); VERIFY( tracker_allocator_counter::get_allocation_count() == sz2 ); VERIFY( tracker_allocator_counter::get_deallocation_count() == sz1 ); p1.reset(); VERIFY( p2.use_count() == 1 ); VERIFY( tracker_allocator_counter::get_allocation_count() == sz2 ); VERIFY( tracker_allocator_counter::get_deallocation_count() == sz1 ); p2.reset(); VERIFY( tracker_allocator_counter::get_allocation_count() == sz2 ); VERIFY( tracker_allocator_counter::get_deallocation_count() == sz2 ); VERIFY( D::delete_count == 1 ); return 0; } int main() { test01(); test02(); return 0; }
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