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, InputIterator Iter2>
13 // requires HasEqualTo<Iter1::value_type, Iter2::value_type>
14 // bool
15 // equal(Iter1 first1, Iter1 last1, Iter2 first2);
16
17 #include <algorithm>
18 #include <cassert>
19
20 #include "test_iterators.h"
21
22 #if _LIBCPP_STD_VER > 11
23 #define HAS_FOUR_ITERATOR_VERSION
24 #endif
25
main()26 int main()
27 {
28 int ia[] = {0, 1, 2, 3, 4, 5};
29 const unsigned s = sizeof(ia)/sizeof(ia[0]);
30 int ib[s] = {0, 1, 2, 5, 4, 5};
31 assert(std::equal(input_iterator<const int*>(ia),
32 input_iterator<const int*>(ia+s),
33 input_iterator<const int*>(ia)));
34 #ifdef HAS_FOUR_ITERATOR_VERSION
35 assert(std::equal(input_iterator<const int*>(ia),
36 input_iterator<const int*>(ia+s),
37 input_iterator<const int*>(ia),
38 input_iterator<const int*>(ia+s)));
39 assert(std::equal(random_access_iterator<const int*>(ia),
40 random_access_iterator<const int*>(ia+s),
41 random_access_iterator<const int*>(ia),
42 random_access_iterator<const int*>(ia+s)));
43 #endif
44 assert(!std::equal(input_iterator<const int*>(ia),
45 input_iterator<const int*>(ia+s),
46 input_iterator<const int*>(ib)));
47 #ifdef HAS_FOUR_ITERATOR_VERSION
48 assert(!std::equal(input_iterator<const int*>(ia),
49 input_iterator<const int*>(ia+s),
50 input_iterator<const int*>(ib),
51 input_iterator<const int*>(ib+s)));
52 assert(!std::equal(random_access_iterator<const int*>(ia),
53 random_access_iterator<const int*>(ia+s),
54 random_access_iterator<const int*>(ib),
55 random_access_iterator<const int*>(ib+s)));
56 assert(!std::equal(input_iterator<const int*>(ia),
57 input_iterator<const int*>(ia+s),
58 input_iterator<const int*>(ia),
59 input_iterator<const int*>(ia+s-1)));
60 assert(!std::equal(random_access_iterator<const int*>(ia),
61 random_access_iterator<const int*>(ia+s),
62 random_access_iterator<const int*>(ia),
63 random_access_iterator<const int*>(ia+s-1)));
64
65 #endif
66 }
67