1 // Copyright 2018 Peter Dimov
2 //
3 // Distributed under the Boost Software License, Version 1.0.
4 //
5 // See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt
7
8 #include <boost/shared_ptr.hpp>
9 #include <boost/core/lightweight_test.hpp>
10 #include <boost/config/pragma_message.hpp>
11
12 #if defined(BOOST_DISABLE_THREADS)
13 BOOST_PRAGMA_MESSAGE( "BOOST_DISABLE_THREADS is defined" )
14 #else
15 BOOST_PRAGMA_MESSAGE( "BOOST_DISABLE_THREADS is not defined" )
16 #endif
17
18 #if defined(BOOST_NO_CXX11_HDR_ATOMIC)
19 BOOST_PRAGMA_MESSAGE( "BOOST_NO_CXX11_HDR_ATOMIC is defined" )
20 #else
21 BOOST_PRAGMA_MESSAGE( "BOOST_NO_CXX11_HDR_ATOMIC is not defined" )
22 #endif
23
24 void abi_test_1( boost::shared_ptr<void> & p );
25 boost::shared_ptr<void> abi_test_2( boost::shared_ptr<void> const & p );
26 boost::shared_ptr<void> abi_test_3();
27
28 static int deleter_called;
29
deleter(void *)30 void deleter( void* )
31 {
32 ++deleter_called;
33 }
34
main()35 int main()
36 {
37 {
38 deleter_called = 0;
39
40 boost::shared_ptr<void> p( static_cast<void*>( 0 ), deleter );
41
42 BOOST_TEST_EQ( p.use_count(), 1 );
43
44 abi_test_1( p );
45
46 BOOST_TEST_EQ( p.use_count(), 0 );
47 BOOST_TEST_EQ( deleter_called, 1 );
48 }
49
50 {
51 deleter_called = 0;
52
53 boost::shared_ptr<void> p1( static_cast<void*>( 0 ), deleter );
54
55 BOOST_TEST_EQ( p1.use_count(), 1 );
56
57 boost::shared_ptr<void> p2 = abi_test_2( p1 );
58
59 BOOST_TEST_EQ( p1.use_count(), 2 );
60 BOOST_TEST_EQ( p2.use_count(), 2 );
61
62 p1.reset();
63
64 BOOST_TEST_EQ( p2.use_count(), 1 );
65
66 p2.reset();
67
68 BOOST_TEST_EQ( deleter_called, 1 );
69 }
70
71 {
72 boost::shared_ptr<void> p = abi_test_3();
73
74 BOOST_TEST_EQ( p.use_count(), 1 );
75
76 p.reset();
77
78 BOOST_TEST_EQ( p.use_count(), 0 );
79 }
80
81 return boost::report_errors();
82 }
83