1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
//
// weak_from_raw_test3.cpp
//
// Test that weak_from_raw and shared_from_raw
// return consistent values from a constructor
//
// Copyright (c) 2015 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
//
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
#include <boost/smart_ptr/enable_shared_from_raw.hpp>
#include <boost/weak_ptr.hpp>
#include <boost/core/lightweight_test.hpp>
class X: public boost::enable_shared_from_raw
{
public:
X()
{
boost::weak_ptr<X> p1 = boost::weak_from_raw( this );
BOOST_TEST( !p1.expired() );
boost::weak_ptr<X> p2 = boost::weak_from_raw( this );
BOOST_TEST( !p2.expired() );
BOOST_TEST( !( p1 < p2 ) && !( p2 < p1 ) );
boost::weak_ptr<X> p3 = boost::shared_from_raw( this );
BOOST_TEST( !( p1 < p3 ) && !( p3 < p1 ) );
boost::weak_ptr<X> p4 = boost::weak_from_raw( this );
BOOST_TEST( !p4.expired() );
BOOST_TEST( !( p3 < p4 ) && !( p4 < p3 ) );
BOOST_TEST( !( p1 < p4 ) && !( p4 < p1 ) );
}
};
int main()
{
boost::shared_ptr< X > px( new X );
return boost::report_errors();
}
|
