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, OutputIterator<auto, InIter::reference> OutIter,
13 //          Predicate<auto, InIter::value_type> Pred>
14 //   requires CopyConstructible<Pred>
15 //   OutIter
16 //   remove_copy_if(InIter first, InIter last, OutIter result, Pred pred);
17 
18 #include <algorithm>
19 #include <functional>
20 #include <cassert>
21 
22 #include "test_iterators.h"
23 
24 bool equalToTwo(int v) { return v == 2; }
25 
26 template <class InIter, class OutIter>
27 void
28 test()
29 {
30     int ia[] = {0, 1, 2, 3, 4, 2, 3, 4, 2};
31     const unsigned sa = sizeof(ia)/sizeof(ia[0]);
32     int ib[sa];
33     OutIter r = std::remove_copy_if(InIter(ia), InIter(ia+sa),
34                                     OutIter(ib), equalToTwo);
35     assert(base(r) == ib + sa-3);
36     assert(ib[0] == 0);
37     assert(ib[1] == 1);
38     assert(ib[2] == 3);
39     assert(ib[3] == 4);
40     assert(ib[4] == 3);
41     assert(ib[5] == 4);
42 }
43 
44 int main()
45 {
46     test<input_iterator<const int*>, output_iterator<int*> >();
47     test<input_iterator<const int*>, forward_iterator<int*> >();
48     test<input_iterator<const int*>, bidirectional_iterator<int*> >();
49     test<input_iterator<const int*>, random_access_iterator<int*> >();
50     test<input_iterator<const int*>, int*>();
51 
52     test<forward_iterator<const int*>, output_iterator<int*> >();
53     test<forward_iterator<const int*>, forward_iterator<int*> >();
54     test<forward_iterator<const int*>, bidirectional_iterator<int*> >();
55     test<forward_iterator<const int*>, random_access_iterator<int*> >();
56     test<forward_iterator<const int*>, int*>();
57 
58     test<bidirectional_iterator<const int*>, output_iterator<int*> >();
59     test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
60     test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
61     test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
62     test<bidirectional_iterator<const int*>, int*>();
63 
64     test<random_access_iterator<const int*>, output_iterator<int*> >();
65     test<random_access_iterator<const int*>, forward_iterator<int*> >();
66     test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
67     test<random_access_iterator<const int*>, random_access_iterator<int*> >();
68     test<random_access_iterator<const int*>, int*>();
69 
70     test<const int*, output_iterator<int*> >();
71     test<const int*, forward_iterator<int*> >();
72     test<const int*, bidirectional_iterator<int*> >();
73     test<const int*, random_access_iterator<int*> >();
74     test<const int*, int*>();
75 }
76