1
2 // Copyright 2008-2009 Daniel James.
3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6 // clang-format off
7 #include "../helpers/prefix.hpp"
8 #include <boost/unordered/unordered_set_fwd.hpp>
9 #include "../helpers/postfix.hpp"
10 // clang-format on
11
12 struct true_type
13 {
14 char x[100];
15 };
16 struct false_type
17 {
18 char x;
19 };
20
21 false_type is_unordered_set_impl(void*);
22
23 template <class Value, class Hash, class Pred, class Alloc>
24 true_type is_unordered_set_impl(
25 boost::unordered_set<Value, Hash, Pred, Alloc>*);
26
27 template <typename T>
call_swap(boost::unordered_set<T> & x,boost::unordered_set<T> & y)28 void call_swap(boost::unordered_set<T>& x, boost::unordered_set<T>& y)
29 {
30 swap(x, y);
31 }
32
33 template <typename T>
call_equals(boost::unordered_set<T> & x,boost::unordered_set<T> & y)34 bool call_equals(boost::unordered_set<T>& x, boost::unordered_set<T>& y)
35 {
36 return x == y;
37 }
38
39 template <typename T>
call_not_equals(boost::unordered_set<T> & x,boost::unordered_set<T> & y)40 bool call_not_equals(boost::unordered_set<T>& x, boost::unordered_set<T>& y)
41 {
42 return x != y;
43 }
44
45 template <typename T>
call_swap(boost::unordered_multiset<T> & x,boost::unordered_multiset<T> & y)46 void call_swap(boost::unordered_multiset<T>& x, boost::unordered_multiset<T>& y)
47 {
48 swap(x, y);
49 }
50
51 template <typename T>
call_equals(boost::unordered_multiset<T> & x,boost::unordered_multiset<T> & y)52 bool call_equals(
53 boost::unordered_multiset<T>& x, boost::unordered_multiset<T>& y)
54 {
55 return x == y;
56 }
57
58 template <typename T>
call_not_equals(boost::unordered_multiset<T> & x,boost::unordered_multiset<T> & y)59 bool call_not_equals(
60 boost::unordered_multiset<T>& x, boost::unordered_multiset<T>& y)
61 {
62 return x != y;
63 }
64
65 #include "../helpers/test.hpp"
66
67 typedef boost::unordered_set<int> int_set;
68 typedef boost::unordered_multiset<int> int_multiset;
69
UNORDERED_AUTO_TEST(use_fwd_declared_trait_without_definition)70 UNORDERED_AUTO_TEST (use_fwd_declared_trait_without_definition) {
71 BOOST_TEST(sizeof(is_unordered_set_impl((int_set*)0)) == sizeof(true_type));
72 }
73
74 #include <boost/unordered_set.hpp>
75
UNORDERED_AUTO_TEST(use_fwd_declared_trait)76 UNORDERED_AUTO_TEST (use_fwd_declared_trait) {
77 boost::unordered_set<int> x;
78 BOOST_TEST(sizeof(is_unordered_set_impl(&x)) == sizeof(true_type));
79
80 BOOST_TEST(sizeof(is_unordered_set_impl((int*)0)) == sizeof(false_type));
81 }
82
UNORDERED_AUTO_TEST(use_set_fwd_declared_function)83 UNORDERED_AUTO_TEST (use_set_fwd_declared_function) {
84 int_set x, y;
85 x.insert(1);
86 y.insert(2);
87 call_swap(x, y);
88
89 BOOST_TEST(y.find(1) != y.end());
90 BOOST_TEST(y.find(2) == y.end());
91
92 BOOST_TEST(x.find(1) == x.end());
93 BOOST_TEST(x.find(2) != x.end());
94
95 BOOST_TEST(!call_equals(x, y));
96 BOOST_TEST(call_not_equals(x, y));
97 }
98
UNORDERED_AUTO_TEST(use_multiset_fwd_declared_function)99 UNORDERED_AUTO_TEST (use_multiset_fwd_declared_function) {
100 int_multiset x, y;
101 call_swap(x, y);
102 BOOST_TEST(call_equals(x, y));
103 BOOST_TEST(!call_not_equals(x, y));
104 }
105
106 RUN_TESTS()
107