1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <algorithm>
10
11// template <class InputIterator, class Predicate>
12// bool
13// none_of(InputIterator first, InputIterator last, Predicate pred);
14
15#include <algorithm>
16#include <cassert>
17
18#include "test_macros.h"
19#include "test_iterators.h"
20
21struct test1
22{
23 TEST_CONSTEXPR bool operator()(const int& i) const
24 {
25 return i % 2 == 0;
26 }
27};
28
29#if TEST_STD_VER > 17
30TEST_CONSTEXPR bool test_constexpr() {
31 int ia[] = {1, 3, 6, 7};
32 int ib[] = {1, 3, 5, 7};
33 return !std::none_of(std::begin(ia), std::end(ia), test1())
34 && std::none_of(std::begin(ib), std::end(ib), test1())
35 ;
36 }
37#endif
38
39int main(int, char**)
40{
41 {
42 int ia[] = {2, 4, 6, 8};
43 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
44 assert(std::none_of(cpp17_input_iterator<const int*>(ia),
45 cpp17_input_iterator<const int*>(ia + sa), test1()) == false);
46 assert(std::none_of(cpp17_input_iterator<const int*>(ia),
47 cpp17_input_iterator<const int*>(ia), test1()) == true);
48 }
49 {
50 const int ia[] = {2, 4, 5, 8};
51 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
52 assert(std::none_of(cpp17_input_iterator<const int*>(ia),
53 cpp17_input_iterator<const int*>(ia + sa), test1()) == false);
54 assert(std::none_of(cpp17_input_iterator<const int*>(ia),
55 cpp17_input_iterator<const int*>(ia), test1()) == true);
56 }
57 {
58 const int ia[] = {1, 3, 5, 7};
59 const unsigned sa = sizeof(ia)/sizeof(ia[0]);
60 assert(std::none_of(cpp17_input_iterator<const int*>(ia),
61 cpp17_input_iterator<const int*>(ia + sa), test1()) == true);
62 assert(std::none_of(cpp17_input_iterator<const int*>(ia),
63 cpp17_input_iterator<const int*>(ia), test1()) == true);
64 }
65
66#if TEST_STD_VER > 17
67 static_assert(test_constexpr());
68#endif
69
70 return 0;
71}
72

source code of libcxx/test/std/algorithms/alg.nonmodifying/alg.none_of/none_of.pass.cpp