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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
// Copyright (C) 2014 Andrzej Krzemienski.
//
// Use, modification, and distribution is subject to 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)
//
// See http://www.boost.org/lib/optional for documentation.
//
// You are welcome to contact the author at:
// akrzemi1@gmail.com
#include "boost/optional/optional.hpp"
#include "boost/config.hpp"
#include "boost/core/lightweight_test.hpp"
#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) && !defined(BOOST_OPTIONAL_CONFIG_DO_NOT_SPECIALIZE_STD_HASH)
#include <unordered_set>
void test_unordered_map()
{
std::unordered_set<boost::optional<int> > set;
set.insert(boost::optional<int>(1));
set.insert(boost::optional<int>(1));
BOOST_TEST(set.size() == 1u);
BOOST_TEST(set.find(boost::optional<int>(1)) != set.end());
}
#else
void test_unordered_map()
{}
#endif
#if !defined(BOOST_OPTIONAL_CONFIG_DO_NOT_SPECIALIZE_STD_HASH) && !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
void tets_hash()
{
std::hash<boost::optional<int> > hash_int;
boost::optional<int> oN;
boost::optional<int> o1(1);
BOOST_TEST(hash_int(oN) == hash_int(oN));
BOOST_TEST(hash_int(o1) == hash_int(o1));
}
#else
void tets_hash()
{}
#endif
int main()
{
test_unordered_map();
tets_hash();
return boost::report_errors();
}
|
