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
24int 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