1//
2// sp_hash_test2.cpp
3//
4// Copyright 2011, 2015 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/core/lightweight_test.hpp>
14
15int main()
16{
17 boost::hash< boost::shared_ptr<int[]> > hasher;
18
19 boost::shared_ptr< int[] > p1, p2( p1 ), p3( new int[1] ), p4( p3 ), p5( new int[1] );
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

source code of boost/libs/smart_ptr/test/sp_hash_test2.cpp