1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14
// UNSUPPORTED: libcpp-has-no-incomplete-pstl
// template<class ExecutionPolicy, class ForwardIterator1, class ForwardIterator2,
// class Predicate, class T>
// ForwardIterator2
// replace_copy_if(ExecutionPolicy&& exec,
// ForwardIterator1 first, ForwardIterator1 last,
// ForwardIterator2 result,
// Predicate pred, const T& new_value);
#include <algorithm>
#include <array>
#include <cassert>
#include <vector>
#include "type_algorithms.h"
#include "test_execution_policies.h"
#include "test_iterators.h"
template <class Iter>
struct Test {
template <class ExecutionPolicy>
void operator()(ExecutionPolicy&& policy) {
{ // simple test
std::array a = {1, 2, 3, 4, 5, 6, 7, 8};
std::array<int, a.size()> out;
std::replace_copy_if(
policy,
Iter(std::data(a)),
Iter(std::data(a) + std::size(a)),
Iter(std::data(out)),
[](int i) { return i == 3; },
6);
assert((out == std::array{1, 2, 6, 4, 5, 6, 7, 8}));
}
{ // empty range works
std::array<int, 0> a = {};
std::replace_copy_if(
policy,
Iter(std::data(a)),
Iter(std::data(a) + std::size(a)),
Iter(std::data(a)),
[](int i) { return i == 3; },
6);
}
{ // non-empty range without a match works
std::array a = {1, 2};
std::array<int, a.size()> out;
std::replace_copy_if(
policy,
Iter(std::data(a)),
Iter(std::data(a) + std::size(a)),
Iter(out.data()),
[](int i) { return i == 3; },
6);
assert((out == std::array{1, 2}));
}
{ // single element range works
std::array a = {3};
std::array<int, a.size()> out;
std::replace_copy_if(
policy,
Iter(std::data(a)),
Iter(std::data(a) + std::size(a)),
Iter(std::data(out)),
[](int i) { return i == 3; },
6);
assert((out == std::array{6}));
}
{ // two element range works
std::array a = {3, 4};
std::array<int, a.size()> out;
std::replace_copy_if(
policy,
Iter(std::data(a)),
Iter(std::data(a) + std::size(a)),
Iter(std::data(out)),
[](int i) { return i == 3; },
6);
assert((out == std::array{6, 4}));
}
{ // multiple matching elements work
std::array a = {1, 2, 3, 4, 3, 3, 5, 6, 3};
std::array<int, a.size()> out;
std::replace_copy_if(
policy,
Iter(std::data(a)),
Iter(std::data(a) + std::size(a)),
Iter(std::data(out)),
[](int i) { return i == 3; },
9);
assert((out == std::array{1, 2, 9, 4, 9, 9, 5, 6, 9}));
}
{ // large range works
std::vector<int> a(150, 3);
std::vector<int> out(a.size());
a[45] = 5;
std::replace_copy_if(
policy,
Iter(std::data(a)),
Iter(std::data(a) + std::size(a)),
Iter(out.data()),
[](int i) { return i == 3; },
6);
std::vector<int> comp(150, 6);
comp[45] = 5;
assert(std::equal(out.begin(), out.end(), comp.begin()));
}
}
};
int main(int, char**) {
types::for_each(types::forward_iterator_list<int*>{}, TestIteratorWithPolicies<Test>{});
return 0;
}
|
