1 //
2 // shared_from_raw_test6
3 //
4 // Tests that dangling shared_ptr instances are caught by
5 // the BOOST_ASSERT in ~enable_shared_from_raw
6 //
7 // Copyright 2014 Peter Dimov
8 //
9 // Distributed under the Boost Software License, Version 1.0.
10 //
11 // See accompanying file LICENSE_1_0.txt or copy at
12 // http://www.boost.org/LICENSE_1_0.txt
13 //
14
15 #define BOOST_ENABLE_ASSERT_HANDLER
16 #include <boost/smart_ptr/enable_shared_from_raw.hpp>
17 #include <boost/shared_ptr.hpp>
18 #include <boost/core/lightweight_test.hpp>
19 #include <stdio.h>
20
21 static int assertion_failed_ = 0;
22
23 namespace boost
24 {
25
assertion_failed(char const * expr,char const * function,char const * file,long line)26 void assertion_failed( char const * expr, char const * function, char const * file, long line )
27 {
28 printf( "Assertion '%s' failed in function '%s', file '%s', line %ld\n", expr, function, file, line );
29 ++assertion_failed_;
30 }
31
32 } // namespace boost
33
34 class X: public boost::enable_shared_from_raw
35 {
36 };
37
main()38 int main()
39 {
40 boost::shared_ptr<X> px;
41
42 {
43 X x;
44 px = boost::shared_from_raw( &x );
45 }
46
47 BOOST_TEST_EQ( assertion_failed_, 1 );
48
49 // px is a dangling pointer here
50
51 return boost::report_errors();
52 }
53