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 <class InputIterator, class Predicate>
13 // constpexr bool // constexpr after C++17
14 // any_of(InputIterator first, InputIterator last, Predicate pred);
15
16 #include <algorithm>
17 #include <cassert>
18
19 #include "test_macros.h"
20 #include "test_iterators.h"
21
22 struct test1
23 {
operator ()test124 TEST_CONSTEXPR bool operator()(const int& i) const
25 {
26 return i % 2 == 0;
27 }
28 };
29
30 #if TEST_STD_VER > 17
test_constexpr()31 TEST_CONSTEXPR bool test_constexpr() {
32 int ia[] = {2, 4, 6, 8};
33 int ib[] = {1, 3, 5, 7};
34 return std::any_of(std::begin(ia), std::end(ia), test1())
35 && !std::any_of(std::begin(ib), std::end(ib), test1())
36 ;
37 }
38 #endif
39
main()40 int main()
41 {
42 {
43 int ia[] = {2, 4, 6, 8};
44 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
45 assert(std::any_of(input_iterator<const int*>(ia),
46 input_iterator<const int*>(ia + sa), test1()) == true);
47 assert(std::any_of(input_iterator<const int*>(ia),
48 input_iterator<const int*>(ia), test1()) == false);
49 }
50 {
51 const int ia[] = {2, 4, 5, 8};
52 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
53 assert(std::any_of(input_iterator<const int*>(ia),
54 input_iterator<const int*>(ia + sa), test1()) == true);
55 assert(std::any_of(input_iterator<const int*>(ia),
56 input_iterator<const int*>(ia), test1()) == false);
57 }
58 {
59 const int ia[] = {1, 3, 5, 7};
60 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
61 assert(std::any_of(input_iterator<const int*>(ia),
62 input_iterator<const int*>(ia + sa), test1()) == false);
63 assert(std::any_of(input_iterator<const int*>(ia),
64 input_iterator<const int*>(ia), test1()) == false);
65 }
66
67 #if TEST_STD_VER > 17
68 static_assert(test_constexpr());
69 #endif
70 }
71