1 //
2 // sp_hash_test.cpp
3 //
4 // Copyright 2011 Peter Dimov
5 //
6 // Distributed under the Boost Software License, Version 1.0.
7 // See accompanying file LICENSE_1_0.txt or copy at
8 // http://www.boost.org/LICENSE_1_0.txt
9 //
10
11 #include <boost/shared_ptr.hpp>
12 #include <boost/functional/hash.hpp>
13 #include <boost/detail/lightweight_test.hpp>
14
main()15 int main()
16 {
17 boost::hash< boost::shared_ptr<int> > hasher;
18
19 boost::shared_ptr< int > p1, p2( p1 ), p3( new int ), p4( p3 ), p5( new int );
20
21 BOOST_TEST_EQ( p1, p2 );
22 BOOST_TEST_EQ( hasher( p1 ), hasher( p2 ) );
23
24 BOOST_TEST_NE( p1, p3 );
25 BOOST_TEST_NE( hasher( p1 ), hasher( p3 ) );
26
27 BOOST_TEST_EQ( p3, p4 );
28 BOOST_TEST_EQ( hasher( p3 ), hasher( p4 ) );
29
30 BOOST_TEST_NE( p3, p5 );
31 BOOST_TEST_NE( hasher( p3 ), hasher( p5 ) );
32
33 return boost::report_errors();
34 }
35