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jeremybenn |
// { dg-options "-std=gnu++0x" }
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// Copyright (C) 2007, 2009 Free Software Foundation
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
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#include <memory>
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#include <testsuite_hooks.h>
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#include <testsuite_allocator.h>
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using __gnu_test::tracker_allocator_counter;
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using __gnu_test::tracker_allocator;
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struct A { };
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void deletefunc(A* p) { delete p; }
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struct D
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{
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void operator()(A* p) { delete p; ++delete_count; }
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static long delete_count;
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};
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long D::delete_count = 0;
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// 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const]
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// Construction with allocator
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int
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test01()
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{
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bool test __attribute__((unused)) = true;
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tracker_allocator_counter::reset();
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std::shared_ptr<A> p1(new A, deletefunc, tracker_allocator<A>());
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std::size_t const sz = tracker_allocator_counter::get_allocation_count();
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VERIFY( sz > 0 );
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{
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std::shared_ptr<A> p2(p1);
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VERIFY( p2.use_count() == 2 );
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VERIFY( tracker_allocator_counter::get_allocation_count() == sz );
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VERIFY( tracker_allocator_counter::get_deallocation_count() == 0 );
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}
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VERIFY( p1.use_count() == 1 );
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VERIFY( tracker_allocator_counter::get_allocation_count() == sz );
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VERIFY( tracker_allocator_counter::get_deallocation_count() == 0 );
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p1.reset();
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VERIFY( p1.use_count() == 0 );
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VERIFY( tracker_allocator_counter::get_allocation_count() == sz );
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VERIFY( tracker_allocator_counter::get_deallocation_count() == sz );
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return 0;
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}
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// Construction with allocator
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int
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test02()
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{
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bool test __attribute__((unused)) = true;
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tracker_allocator_counter::reset();
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std::shared_ptr<A> p1(new A, deletefunc, tracker_allocator<A>());
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std::size_t const sz1 = tracker_allocator_counter::get_allocation_count();
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VERIFY( sz1 > 0 );
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std::shared_ptr<A> p2(new A, D(), tracker_allocator<A>());
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std::size_t const sz2 = tracker_allocator_counter::get_allocation_count();
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VERIFY( sz2 > sz1 );
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VERIFY( tracker_allocator_counter::get_deallocation_count() == 0 );
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p1 = p2;
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VERIFY( p2.use_count() == 2 );
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VERIFY( tracker_allocator_counter::get_allocation_count() == sz2 );
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VERIFY( tracker_allocator_counter::get_deallocation_count() == sz1 );
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p1.reset();
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VERIFY( p2.use_count() == 1 );
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VERIFY( tracker_allocator_counter::get_allocation_count() == sz2 );
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VERIFY( tracker_allocator_counter::get_deallocation_count() == sz1 );
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p2.reset();
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VERIFY( tracker_allocator_counter::get_allocation_count() == sz2 );
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VERIFY( tracker_allocator_counter::get_deallocation_count() == sz2 );
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VERIFY( D::delete_count == 1 );
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return 0;
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}
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int
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main()
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{
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test01();
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test02();
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return 0;
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}
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