1 // Copyright (C) 2005 Free Software Foundation
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 2, or (at your option)
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.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING. If not, write to the Free
16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19 // TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
22 #include <testsuite_hooks.h>
27 virtual ~A() { ++dtor_count; }
28 static long ctor_count;
29 static long dtor_count;
31 long A::ctor_count = 0;
32 long A::dtor_count = 0;
37 virtual ~B() { ++dtor_count; }
38 static long ctor_count;
39 static long dtor_count;
41 long B::ctor_count = 0;
42 long B::dtor_count = 0;
45 struct reset_count_struct
57 // 2.2.3.3 shared_ptr assignment [tr.util.smartptr.shared.assign]
59 // Assignment from shared_ptr<Y>
63 reset_count_struct __attribute__((unused)) reset;
64 bool test __attribute__((unused)) = true;
66 std::tr1::shared_ptr<A> a;
68 a = std::tr1::shared_ptr<A>();
69 VERIFY( a.get() == 0 );
70 VERIFY( A::ctor_count == 0 );
71 VERIFY( A::dtor_count == 0 );
72 VERIFY( B::ctor_count == 0 );
73 VERIFY( B::dtor_count == 0 );
75 a = std::tr1::shared_ptr<A>(new A);
76 VERIFY( a.get() != 0 );
77 VERIFY( A::ctor_count == 1 );
78 VERIFY( A::dtor_count == 0 );
79 VERIFY( B::ctor_count == 0 );
80 VERIFY( B::dtor_count == 0 );
82 a = std::tr1::shared_ptr<B>(new B);
83 VERIFY( a.get() != 0 );
84 VERIFY( A::ctor_count == 2 );
85 VERIFY( A::dtor_count == 1 );
86 VERIFY( B::ctor_count == 1 );
87 VERIFY( B::dtor_count == 0 );