111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
// { dg-options "-std=gnu++0x" }
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// Copyright (C) 2007, 2008, 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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{
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A(int i, double d, char c = '\0') : i(i), d(d), c(c) { ++ctor_count; }
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explicit A(int i) : i(i), d(), c() { ++ctor_count; }
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A() : i(), d(), c() { ++ctor_count; }
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~A() { ++dtor_count; }
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int i;
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double d;
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char c;
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static int ctor_count;
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static int dtor_count;
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};
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int A::ctor_count = 0;
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int A::dtor_count = 0;
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struct reset_count_struct
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{
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~reset_count_struct()
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{
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A::ctor_count = 0;
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A::dtor_count = 0;
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tracker_allocator_counter::reset();
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}
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};
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// 20.6.6.2.6 shared_ptr creation [util.smartptr.shared.create]
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void
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test01()
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{
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bool test __attribute__((unused)) = true;
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reset_count_struct __attribute__((unused)) reset;
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{
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std::shared_ptr<A> p1 = std::allocate_shared<A>(tracker_allocator<A>());
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VERIFY( p1.get() != 0 );
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VERIFY( p1.use_count() == 1 );
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VERIFY( A::ctor_count == 1 );
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VERIFY( tracker_allocator_counter::get_allocation_count() > 0 );
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}
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VERIFY( A::ctor_count == A::dtor_count );
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VERIFY( tracker_allocator_counter::get_allocation_count()
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== tracker_allocator_counter::get_deallocation_count() );
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}
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void
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test02()
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{
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bool test __attribute__((unused)) = true;
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reset_count_struct __attribute__((unused)) reset;
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std::shared_ptr<A> p1;
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p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1);
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VERIFY( A::ctor_count == 1 );
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VERIFY( tracker_allocator_counter::get_allocation_count() > 0 );
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p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1, 2.0);
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VERIFY( A::ctor_count == 2 );
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VERIFY( A::dtor_count == 1 );
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VERIFY( tracker_allocator_counter::get_deallocation_count() > 0 );
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p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1, 2.0, '3');
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VERIFY( A::ctor_count == 3 );
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VERIFY( A::dtor_count == 2 );
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VERIFY( p1->i == 1 );
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VERIFY( p1->d == 2.0 );
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VERIFY( p1->c == '3' );
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p1 = std::shared_ptr<A>();
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VERIFY( A::ctor_count == A::dtor_count );
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VERIFY( tracker_allocator_counter::get_allocation_count()
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== tracker_allocator_counter::get_deallocation_count() );
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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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