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 Iter1, ForwardIterator Iter2,
13 // Predicate<auto, Iter1::value_type, Iter2::value_type> Pred>
14 // requires CopyConstructible<Pred>
15 // Iter1
16 // find_first_of(Iter1 first1, Iter1 last1, Iter2 first2, Iter2 last2, Pred pred);
17
18 #include <algorithm>
19 #include <functional>
20 #include <cassert>
21
22 #include "test_iterators.h"
23
main()24 int main()
25 {
26 int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
27 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
28 int ib[] = {1, 3, 5, 7};
29 const unsigned sb = sizeof(ib)/sizeof(ib[0]);
30 assert(std::find_first_of(input_iterator<const int*>(ia),
31 input_iterator<const int*>(ia + sa),
32 forward_iterator<const int*>(ib),
33 forward_iterator<const int*>(ib + sb),
34 std::equal_to<int>()) ==
35 input_iterator<const int*>(ia+1));
36 int ic[] = {7};
37 assert(std::find_first_of(input_iterator<const int*>(ia),
38 input_iterator<const int*>(ia + sa),
39 forward_iterator<const int*>(ic),
40 forward_iterator<const int*>(ic + 1),
41 std::equal_to<int>()) ==
42 input_iterator<const int*>(ia+sa));
43 assert(std::find_first_of(input_iterator<const int*>(ia),
44 input_iterator<const int*>(ia + sa),
45 forward_iterator<const int*>(ic),
46 forward_iterator<const int*>(ic),
47 std::equal_to<int>()) ==
48 input_iterator<const int*>(ia+sa));
49 assert(std::find_first_of(input_iterator<const int*>(ia),
50 input_iterator<const int*>(ia),
51 forward_iterator<const int*>(ic),
52 forward_iterator<const int*>(ic+1),
53 std::equal_to<int>()) ==
54 input_iterator<const int*>(ia));
55 }
56