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 InIter, class OutIter>
13 // requires OutputIterator<OutIter, RvalueOf<InIter::value_type>::type>
14 // && EqualityComparable<InIter::value_type>
15 // && HasAssign<InIter::value_type, InIter::reference>
16 // && Constructible<InIter::value_type, InIter::reference>
17 // OutIter
18 // unique_copy(InIter first, InIter last, OutIter result);
19
20 #include <algorithm>
21 #include <cassert>
22
23 #include "test_iterators.h"
24
25 template <class InIter, class OutIter>
26 void
test()27 test()
28 {
29 const int ia[] = {0};
30 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
31 int ja[sa] = {-1};
32 OutIter r = std::unique_copy(InIter(ia), InIter(ia+sa), OutIter(ja));
33 assert(base(r) == ja + sa);
34 assert(ja[0] == 0);
35
36 const int ib[] = {0, 1};
37 const unsigned sb = sizeof(ib)/sizeof(ib[0]);
38 int jb[sb] = {-1};
39 r = std::unique_copy(InIter(ib), InIter(ib+sb), OutIter(jb));
40 assert(base(r) == jb + sb);
41 assert(jb[0] == 0);
42 assert(jb[1] == 1);
43
44 const int ic[] = {0, 0};
45 const unsigned sc = sizeof(ic)/sizeof(ic[0]);
46 int jc[sc] = {-1};
47 r = std::unique_copy(InIter(ic), InIter(ic+sc), OutIter(jc));
48 assert(base(r) == jc + 1);
49 assert(jc[0] == 0);
50
51 const int id[] = {0, 0, 1};
52 const unsigned sd = sizeof(id)/sizeof(id[0]);
53 int jd[sd] = {-1};
54 r = std::unique_copy(InIter(id), InIter(id+sd), OutIter(jd));
55 assert(base(r) == jd + 2);
56 assert(jd[0] == 0);
57 assert(jd[1] == 1);
58
59 const int ie[] = {0, 0, 1, 0};
60 const unsigned se = sizeof(ie)/sizeof(ie[0]);
61 int je[se] = {-1};
62 r = std::unique_copy(InIter(ie), InIter(ie+se), OutIter(je));
63 assert(base(r) == je + 3);
64 assert(je[0] == 0);
65 assert(je[1] == 1);
66 assert(je[2] == 0);
67
68 const int ig[] = {0, 0, 1, 1};
69 const unsigned sg = sizeof(ig)/sizeof(ig[0]);
70 int jg[sg] = {-1};
71 r = std::unique_copy(InIter(ig), InIter(ig+sg), OutIter(jg));
72 assert(base(r) == jg + 2);
73 assert(jg[0] == 0);
74 assert(jg[1] == 1);
75
76 const int ih[] = {0, 1, 1};
77 const unsigned sh = sizeof(ih)/sizeof(ih[0]);
78 int jh[sh] = {-1};
79 r = std::unique_copy(InIter(ih), InIter(ih+sh), OutIter(jh));
80 assert(base(r) == jh + 2);
81 assert(jh[0] == 0);
82 assert(jh[1] == 1);
83
84 const int ii[] = {0, 1, 1, 1, 2, 2, 2};
85 const unsigned si = sizeof(ii)/sizeof(ii[0]);
86 int ji[si] = {-1};
87 r = std::unique_copy(InIter(ii), InIter(ii+si), OutIter(ji));
88 assert(base(r) == ji + 3);
89 assert(ji[0] == 0);
90 assert(ji[1] == 1);
91 assert(ji[2] == 2);
92 }
93
main()94 int main()
95 {
96 test<input_iterator<const int*>, output_iterator<int*> >();
97 test<input_iterator<const int*>, forward_iterator<int*> >();
98 test<input_iterator<const int*>, bidirectional_iterator<int*> >();
99 test<input_iterator<const int*>, random_access_iterator<int*> >();
100 test<input_iterator<const int*>, int*>();
101
102 test<forward_iterator<const int*>, output_iterator<int*> >();
103 test<forward_iterator<const int*>, forward_iterator<int*> >();
104 test<forward_iterator<const int*>, bidirectional_iterator<int*> >();
105 test<forward_iterator<const int*>, random_access_iterator<int*> >();
106 test<forward_iterator<const int*>, int*>();
107
108 test<bidirectional_iterator<const int*>, output_iterator<int*> >();
109 test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
110 test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
111 test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
112 test<bidirectional_iterator<const int*>, int*>();
113
114 test<random_access_iterator<const int*>, output_iterator<int*> >();
115 test<random_access_iterator<const int*>, forward_iterator<int*> >();
116 test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
117 test<random_access_iterator<const int*>, random_access_iterator<int*> >();
118 test<random_access_iterator<const int*>, int*>();
119
120 test<const int*, output_iterator<int*> >();
121 test<const int*, forward_iterator<int*> >();
122 test<const int*, bidirectional_iterator<int*> >();
123 test<const int*, random_access_iterator<int*> >();
124 test<const int*, int*>();
125 }
126