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<ForwardIterator Iter>
13//   requires EqualityComparable<Iter::value_type>
14//   Iter
15//   adjacent_find(Iter first, Iter last);
16
17#include <algorithm>
18#include <cassert>
19
20#include "test_iterators.h"
21
22int main()
23{
24    int ia[] = {0, 1, 2, 2, 0, 1, 2, 3};
25    const unsigned sa = sizeof(ia)/sizeof(ia[0]);
26    assert(std::adjacent_find(forward_iterator<const int*>(ia),
27                              forward_iterator<const int*>(ia + sa)) ==
28                              forward_iterator<const int*>(ia+2));
29    assert(std::adjacent_find(forward_iterator<const int*>(ia),
30                              forward_iterator<const int*>(ia)) ==
31                              forward_iterator<const int*>(ia));
32    assert(std::adjacent_find(forward_iterator<const int*>(ia+3),
33                              forward_iterator<const int*>(ia + sa)) ==
34                              forward_iterator<const int*>(ia+sa));
35}
36