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 // pair<Iter1, Iter2>
15 // mismatch(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, 2, 0, 1, 2, 3};
29 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
30 int ib[] = {0, 1, 2, 3, 0, 1, 2, 3};
31 assert(std::mismatch(input_iterator<const int*>(ia),
32 input_iterator<const int*>(ia + sa),
33 input_iterator<const int*>(ib)) ==
34 (std::pair<input_iterator<const int*>,
35 input_iterator<const int*> >(
36 input_iterator<const int*>(ia+3),
37 input_iterator<const int*>(ib+3))));
38
39 #ifdef HAS_FOUR_ITERATOR_VERSION
40 assert(std::mismatch(input_iterator<const int*>(ia),
41 input_iterator<const int*>(ia + sa),
42 input_iterator<const int*>(ib),
43 input_iterator<const int*>(ib + sa)) ==
44 (std::pair<input_iterator<const int*>,
45 input_iterator<const int*> >(
46 input_iterator<const int*>(ia+3),
47 input_iterator<const int*>(ib+3))));
48
49 assert(std::mismatch(input_iterator<const int*>(ia),
50 input_iterator<const int*>(ia + sa),
51 input_iterator<const int*>(ib),
52 input_iterator<const int*>(ib + 2)) ==
53 (std::pair<input_iterator<const int*>,
54 input_iterator<const int*> >(
55 input_iterator<const int*>(ia+2),
56 input_iterator<const int*>(ib+2))));
57 #endif
58 }
59