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<BidirectionalIterator InIter, OutputIterator<auto, InIter::reference> OutIter>
13 // OutIter
14 // reverse_copy(InIter first, InIter last, OutIter result);
15
16 #include <algorithm>
17 #include <cassert>
18
19 #include "test_iterators.h"
20
21 template <class InIter, class OutIter>
22 void
test()23 test()
24 {
25 const int ia[] = {0};
26 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
27 int ja[sa] = {-1};
28 OutIter r = std::reverse_copy(InIter(ia), InIter(ia), OutIter(ja));
29 assert(base(r) == ja);
30 assert(ja[0] == -1);
31 r = std::reverse_copy(InIter(ia), InIter(ia+sa), OutIter(ja));
32 assert(ja[0] == 0);
33
34 const int ib[] = {0, 1};
35 const unsigned sb = sizeof(ib)/sizeof(ib[0]);
36 int jb[sb] = {-1};
37 r = std::reverse_copy(InIter(ib), InIter(ib+sb), OutIter(jb));
38 assert(base(r) == jb+sb);
39 assert(jb[0] == 1);
40 assert(jb[1] == 0);
41
42 const int ic[] = {0, 1, 2};
43 const unsigned sc = sizeof(ic)/sizeof(ic[0]);
44 int jc[sc] = {-1};
45 r = std::reverse_copy(InIter(ic), InIter(ic+sc), OutIter(jc));
46 assert(base(r) == jc+sc);
47 assert(jc[0] == 2);
48 assert(jc[1] == 1);
49 assert(jc[2] == 0);
50
51 int id[] = {0, 1, 2, 3};
52 const unsigned sd = sizeof(id)/sizeof(id[0]);
53 int jd[sd] = {-1};
54 r = std::reverse_copy(InIter(id), InIter(id+sd), OutIter(jd));
55 assert(base(r) == jd+sd);
56 assert(jd[0] == 3);
57 assert(jd[1] == 2);
58 assert(jd[2] == 1);
59 assert(jd[3] == 0);
60 }
61
main()62 int main()
63 {
64 test<bidirectional_iterator<const int*>, output_iterator<int*> >();
65 test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
66 test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
67 test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
68 test<bidirectional_iterator<const int*>, int*>();
69
70 test<random_access_iterator<const int*>, output_iterator<int*> >();
71 test<random_access_iterator<const int*>, forward_iterator<int*> >();
72 test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
73 test<random_access_iterator<const int*>, random_access_iterator<int*> >();
74 test<random_access_iterator<const int*>, int*>();
75
76 test<const int*, output_iterator<int*> >();
77 test<const int*, forward_iterator<int*> >();
78 test<const int*, bidirectional_iterator<int*> >();
79 test<const int*, random_access_iterator<int*> >();
80 test<const int*, int*>();
81 }
82