1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <algorithm>
11 
12 // template<InputIterator InIter1, InputIterator InIter2, typename OutIter>
13 //   requires OutputIterator<OutIter, InIter1::reference>
14 //         && OutputIterator<OutIter, InIter2::reference>
15 //         && HasLess<InIter2::value_type, InIter1::value_type>
16 //         && HasLess<InIter1::value_type, InIter2::value_type>
17 //   OutIter
18 //   set_symmetric_difference(InIter1 first1, InIter1 last1,
19 //                            InIter2 first2, InIter2 last2,
20 //                            OutIter result);
21 
22 #include <algorithm>
23 #include <cassert>
24 
25 #include "test_iterators.h"
26 
27 template <class Iter1, class Iter2, class OutIter>
28 void
test()29 test()
30 {
31     int ia[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4};
32     const int sa = sizeof(ia)/sizeof(ia[0]);
33     int ib[] = {2, 4, 4, 6};
34     const int sb = sizeof(ib)/sizeof(ib[0]);
35     int ic[20];
36     int ir[] = {1, 2, 3, 3, 3, 4, 4, 6};
37     const int sr = sizeof(ir)/sizeof(ir[0]);
38     OutIter ce = std::set_symmetric_difference(Iter1(ia), Iter1(ia+sa),
39                                                Iter2(ib), Iter2(ib+sb), OutIter(ic));
40     assert(base(ce) - ic == sr);
41     assert(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == 0);
42     ce = std::set_symmetric_difference(Iter1(ib), Iter1(ib+sb),
43                                        Iter2(ia), Iter2(ia+sa), OutIter(ic));
44     assert(base(ce) - ic == sr);
45     assert(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == 0);
46 }
47 
main()48 int main()
49 {
50     test<input_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
51     test<input_iterator<const int*>, input_iterator<const int*>, forward_iterator<int*> >();
52     test<input_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
53     test<input_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
54     test<input_iterator<const int*>, input_iterator<const int*>, int*>();
55 
56     test<input_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
57     test<input_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
58     test<input_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
59     test<input_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
60     test<input_iterator<const int*>, forward_iterator<const int*>, int*>();
61 
62     test<input_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
63     test<input_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
64     test<input_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
65     test<input_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
66     test<input_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
67 
68     test<input_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
69     test<input_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
70     test<input_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
71     test<input_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
72     test<input_iterator<const int*>, random_access_iterator<const int*>, int*>();
73 
74     test<input_iterator<const int*>, const int*, output_iterator<int*> >();
75     test<input_iterator<const int*>, const int*, forward_iterator<int*> >();
76     test<input_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
77     test<input_iterator<const int*>, const int*, random_access_iterator<int*> >();
78     test<input_iterator<const int*>, const int*, int*>();
79 
80     test<forward_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
81     test<forward_iterator<const int*>, input_iterator<const int*>, forward_iterator<int*> >();
82     test<forward_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
83     test<forward_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
84     test<forward_iterator<const int*>, input_iterator<const int*>, int*>();
85 
86     test<forward_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
87     test<forward_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
88     test<forward_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
89     test<forward_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
90     test<forward_iterator<const int*>, forward_iterator<const int*>, int*>();
91 
92     test<forward_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
93     test<forward_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
94     test<forward_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
95     test<forward_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
96     test<forward_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
97 
98     test<forward_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
99     test<forward_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
100     test<forward_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
101     test<forward_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
102     test<forward_iterator<const int*>, random_access_iterator<const int*>, int*>();
103 
104     test<forward_iterator<const int*>, const int*, output_iterator<int*> >();
105     test<forward_iterator<const int*>, const int*, forward_iterator<int*> >();
106     test<forward_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
107     test<forward_iterator<const int*>, const int*, random_access_iterator<int*> >();
108     test<forward_iterator<const int*>, const int*, int*>();
109 
110     test<bidirectional_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
111     test<bidirectional_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
112     test<bidirectional_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
113     test<bidirectional_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
114     test<bidirectional_iterator<const int*>, input_iterator<const int*>, int*>();
115 
116     test<bidirectional_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
117     test<bidirectional_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
118     test<bidirectional_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
119     test<bidirectional_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
120     test<bidirectional_iterator<const int*>, forward_iterator<const int*>, int*>();
121 
122     test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
123     test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
124     test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
125     test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
126     test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
127 
128     test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
129     test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
130     test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
131     test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
132     test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, int*>();
133 
134     test<bidirectional_iterator<const int*>, const int*, output_iterator<int*> >();
135     test<bidirectional_iterator<const int*>, const int*, forward_iterator<int*> >();
136     test<bidirectional_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
137     test<bidirectional_iterator<const int*>, const int*, random_access_iterator<int*> >();
138     test<bidirectional_iterator<const int*>, const int*, int*>();
139 
140     test<random_access_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
141     test<random_access_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
142     test<random_access_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
143     test<random_access_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
144     test<random_access_iterator<const int*>, input_iterator<const int*>, int*>();
145 
146     test<random_access_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
147     test<random_access_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
148     test<random_access_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
149     test<random_access_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
150     test<random_access_iterator<const int*>, forward_iterator<const int*>, int*>();
151 
152     test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
153     test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
154     test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
155     test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
156     test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
157 
158     test<random_access_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
159     test<random_access_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
160     test<random_access_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
161     test<random_access_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
162     test<random_access_iterator<const int*>, random_access_iterator<const int*>, int*>();
163 
164     test<random_access_iterator<const int*>, const int*, output_iterator<int*> >();
165     test<random_access_iterator<const int*>, const int*, forward_iterator<int*> >();
166     test<random_access_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
167     test<random_access_iterator<const int*>, const int*, random_access_iterator<int*> >();
168     test<random_access_iterator<const int*>, const int*, int*>();
169 
170     test<const int*, input_iterator<const int*>, output_iterator<int*> >();
171     test<const int*, input_iterator<const int*>, bidirectional_iterator<int*> >();
172     test<const int*, input_iterator<const int*>, bidirectional_iterator<int*> >();
173     test<const int*, input_iterator<const int*>, random_access_iterator<int*> >();
174     test<const int*, input_iterator<const int*>, int*>();
175 
176     test<const int*, forward_iterator<const int*>, output_iterator<int*> >();
177     test<const int*, forward_iterator<const int*>, forward_iterator<int*> >();
178     test<const int*, forward_iterator<const int*>, bidirectional_iterator<int*> >();
179     test<const int*, forward_iterator<const int*>, random_access_iterator<int*> >();
180     test<const int*, forward_iterator<const int*>, int*>();
181 
182     test<const int*, bidirectional_iterator<const int*>, output_iterator<int*> >();
183     test<const int*, bidirectional_iterator<const int*>, forward_iterator<int*> >();
184     test<const int*, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
185     test<const int*, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
186     test<const int*, bidirectional_iterator<const int*>, int*>();
187 
188     test<const int*, random_access_iterator<const int*>, output_iterator<int*> >();
189     test<const int*, random_access_iterator<const int*>, forward_iterator<int*> >();
190     test<const int*, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
191     test<const int*, random_access_iterator<const int*>, random_access_iterator<int*> >();
192     test<const int*, random_access_iterator<const int*>, int*>();
193 
194     test<const int*, const int*, output_iterator<int*> >();
195     test<const int*, const int*, forward_iterator<int*> >();
196     test<const int*, const int*, bidirectional_iterator<int*> >();
197     test<const int*, const int*, random_access_iterator<int*> >();
198     test<const int*, const int*, int*>();
199 }
200