95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
// Copyright (C) 2000-2015 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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// 20.4.5.1 auto_ptr constructors [lib.auto.ptr.cons]
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// Construction from pointer
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int
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test01()
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{
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reset_count_struct __attribute__((unused)) reset;
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bool test __attribute__((unused)) = true;
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std::auto_ptr<A> A_default;
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VERIFY( A_default.get() == 0 );
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VERIFY( A::ctor_count == 0 );
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VERIFY( A::dtor_count == 0 );
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VERIFY( B::ctor_count == 0 );
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VERIFY( B::dtor_count == 0 );
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std::auto_ptr<A> A_from_A(new A);
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VERIFY( A_from_A.get() != 0 );
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VERIFY( A::ctor_count == 1 );
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VERIFY( A::dtor_count == 0 );
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VERIFY( B::ctor_count == 0 );
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VERIFY( B::dtor_count == 0 );
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std::auto_ptr<A> A_from_B(new B);
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VERIFY( A_from_B.get() != 0 );
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VERIFY( A::ctor_count == 2 );
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VERIFY( A::dtor_count == 0 );
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VERIFY( B::ctor_count == 1 );
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VERIFY( B::dtor_count == 0 );
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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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return 0;
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}
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