91 lines
2.0 KiB
C++
91 lines
2.0 KiB
C++
// Copyright (C) 2000-2014 Free Software Foundation, Inc.
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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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// 20.4.5 Template class auto_ptr [lib.auto.ptr]
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#include <memory>
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#include <testsuite_hooks.h>
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struct A
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{
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A() { ++ctor_count; }
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virtual ~A() { ++dtor_count; }
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static long ctor_count;
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static long dtor_count;
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};
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long A::ctor_count = 0;
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long A::dtor_count = 0;
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struct B : A
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{
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B() { ++ctor_count; }
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virtual ~B() { ++dtor_count; }
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static long ctor_count;
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static long dtor_count;
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};
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long B::ctor_count = 0;
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long B::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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B::ctor_count = 0;
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B::dtor_count = 0;
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}
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};
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// 20.4.5.3 auto_ptr conversions [lib.auto.ptr.conv]
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// Parameters and return values
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template <typename T>
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static std::auto_ptr<T> source()
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{
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return std::auto_ptr<T>(new T);
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}
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template <typename T>
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static void drain(std::auto_ptr<T>)
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{}
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int
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test07()
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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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drain(source<A>());
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// The resolution of core issue 84, now a DR, breaks this call.
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// drain<A>(source<B>());
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drain(source<B>());
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VERIFY( A::ctor_count == 2 );
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VERIFY( A::dtor_count == 2 );
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VERIFY( B::ctor_count == 1 );
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VERIFY( B::dtor_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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test07();
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return 0;
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}
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