1// Copyright (C) 2000, 2002, 2003, 2004, 2009 Free Software Foundation 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 3, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING3. If not see 16// <http://www.gnu.org/licenses/>. 17 18// 20.4.5 Template class auto_ptr [lib.auto.ptr] 19 20#include <memory> 21#include <testsuite_hooks.h> 22 23struct A 24{ 25 A() { ++ctor_count; } 26 virtual ~A() { ++dtor_count; } 27 static long ctor_count; 28 static long dtor_count; 29}; 30long A::ctor_count = 0; 31long A::dtor_count = 0; 32 33struct B : A 34{ 35 B() { ++ctor_count; } 36 virtual ~B() { ++dtor_count; } 37 static long ctor_count; 38 static long dtor_count; 39}; 40long B::ctor_count = 0; 41long B::dtor_count = 0; 42 43 44struct reset_count_struct 45{ 46 ~reset_count_struct() 47 { 48 A::ctor_count = 0; 49 A::dtor_count = 0; 50 B::ctor_count = 0; 51 B::dtor_count = 0; 52 } 53}; 54 55// 20.4.5.3 auto_ptr conversions [lib.auto.ptr.conv] 56 57// Parameters and return values 58template <typename T> 59static std::auto_ptr<T> source() 60{ 61 return std::auto_ptr<T>(new T); 62} 63 64template <typename T> 65static void drain(std::auto_ptr<T>) 66{} 67 68int 69test07() 70{ 71 bool test __attribute__((unused)) = true; 72 reset_count_struct __attribute__((unused)) reset; 73 74 drain(source<A>()); 75 // The resolution of core issue 84, now a DR, breaks this call. 76 // drain<A>(source<B>()); 77 drain(source<B>()); 78 VERIFY( A::ctor_count == 2 ); 79 VERIFY( A::dtor_count == 2 ); 80 VERIFY( B::ctor_count == 1 ); 81 VERIFY( B::dtor_count == 1 ); 82 return 0; 83} 84 85int 86main() 87{ 88 test07(); 89 return 0; 90} 91