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			86 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
| // Copyright (C) 2000-2019 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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| 
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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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| 
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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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| 
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| // 20.4.5 Template class auto_ptr [lib.auto.ptr]
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| 
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| // { dg-options "-std=c++98" }
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| 
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| #include <memory>
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| #include <testsuite_hooks.h>
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| 
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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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| 
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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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| 
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| 
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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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| 
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| // Construction from std::auto_ptr
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| int
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| test02()
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| {
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|   reset_count_struct __attribute__((unused)) reset;
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| 
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|   std::auto_ptr<A> A_from_A(new A);
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|   std::auto_ptr<B> B_from_B(new B);
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| 
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|   std::auto_ptr<A> A_from_ptr_A(A_from_A);
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|   std::auto_ptr<A> A_from_ptr_B(B_from_B);
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|   VERIFY( A_from_A.get() == 0 );
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|   VERIFY( B_from_B.get() == 0 );
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|   VERIFY( A_from_ptr_A.get() != 0 );
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|   VERIFY( A_from_ptr_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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| 
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|   return 0;
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| }
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| 
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| int 
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| main()
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| {
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|   test02();
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|   return 0;
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| }
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