xref: /llvm-project/libcxx/test/std/algorithms/alg.nonmodifying/alg.equal/equal.pass.cpp (revision e58baed3a38790e5cb26abf6a595735f9c784084)
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_macros.h"
21 #include "test_iterators.h"
22 
23 
24 int main()
25 {
26     int ia[] = {0, 1, 2, 3, 4, 5};
27     const unsigned s = sizeof(ia)/sizeof(ia[0]);
28     int ib[s] = {0, 1, 2, 5, 4, 5};
29     assert(std::equal(input_iterator<const int*>(ia),
30                       input_iterator<const int*>(ia+s),
31                       input_iterator<const int*>(ia)));
32 #if TEST_STD_VER >= 14
33     assert(std::equal(input_iterator<const int*>(ia),
34                       input_iterator<const int*>(ia+s),
35                       input_iterator<const int*>(ia),
36                       input_iterator<const int*>(ia+s)));
37     assert(std::equal(random_access_iterator<const int*>(ia),
38                       random_access_iterator<const int*>(ia+s),
39                       random_access_iterator<const int*>(ia),
40                       random_access_iterator<const int*>(ia+s)));
41 #endif
42     assert(!std::equal(input_iterator<const int*>(ia),
43                        input_iterator<const int*>(ia+s),
44                        input_iterator<const int*>(ib)));
45 #if TEST_STD_VER >= 14
46     assert(!std::equal(input_iterator<const int*>(ia),
47                        input_iterator<const int*>(ia+s),
48                        input_iterator<const int*>(ib),
49                        input_iterator<const int*>(ib+s)));
50     assert(!std::equal(random_access_iterator<const int*>(ia),
51                        random_access_iterator<const int*>(ia+s),
52                        random_access_iterator<const int*>(ib),
53                        random_access_iterator<const int*>(ib+s)));
54     assert(!std::equal(input_iterator<const int*>(ia),
55                        input_iterator<const int*>(ia+s),
56                        input_iterator<const int*>(ia),
57                        input_iterator<const int*>(ia+s-1)));
58     assert(!std::equal(random_access_iterator<const int*>(ia),
59                        random_access_iterator<const int*>(ia+s),
60                        random_access_iterator<const int*>(ia),
61                        random_access_iterator<const int*>(ia+s-1)));
62 
63 #endif
64 }
65