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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*
Copyright (c) Alexander Zaitsev <zamazan4ik@gmail.com>, 2017
Distributed under the Boost Software License, Version 1.0. (See
accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt)
See http://www.boost.org/ for latest version.
*/
#include <vector>
#include <boost/algorithm/apply_permutation.hpp>
#define BOOST_TEST_MAIN
#include <boost/test/included/unit_test.hpp>
namespace ba = boost::algorithm;
BOOST_AUTO_TEST_CASE(test_apply_permutation)
{
//Empty
{
std::vector<int> vec, order, result;
ba::apply_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//1 element
{
std::vector<int> vec, order, result;
vec.push_back(1);
order.push_back(0);
result = vec;
ba::apply_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//2 elements, no changes
{
std::vector<int> vec, order, result;
vec.push_back(1); vec.push_back(2);
order.push_back(0); order.push_back(1);
result = vec;
ba::apply_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//2 elements, changed
{
std::vector<int> vec, order, result;
vec.push_back(1); vec.push_back(2);
order.push_back(1); order.push_back(0);
result.push_back(2); result.push_back(1);
ba::apply_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//Multiple elements, no changes
{
std::vector<int> vec, order, result;
vec.push_back(1); vec.push_back(2); vec.push_back(3); vec.push_back(4); vec.push_back(5);
order.push_back(0); order.push_back(1); order.push_back(2); order.push_back(3); order.push_back(4);
result = vec;
ba::apply_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//Multiple elements, changed
{
std::vector<int> vec, order, result;
vec.push_back(1); vec.push_back(2); vec.push_back(3); vec.push_back(4); vec.push_back(5);
order.push_back(4); order.push_back(3); order.push_back(2); order.push_back(1); order.push_back(0);
result.push_back(5); result.push_back(4); result.push_back(3); result.push_back(2); result.push_back(1);
ba::apply_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//Just test range interface
{
std::vector<int> vec, order, result;
vec.push_back(1); vec.push_back(2); vec.push_back(3); vec.push_back(4); vec.push_back(5);
order.push_back(0); order.push_back(1); order.push_back(2); order.push_back(3); order.push_back(4);
result = vec;
ba::apply_permutation(vec, order);
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
}
BOOST_AUTO_TEST_CASE(test_apply_reverse_permutation)
{
//Empty
{
std::vector<int> vec, order, result;
ba::apply_reverse_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//1 element
{
std::vector<int> vec, order, result;
vec.push_back(1);
order.push_back(0);
result = vec;
ba::apply_reverse_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//2 elements, no changes
{
std::vector<int> vec, order, result;
vec.push_back(1); vec.push_back(2);
order.push_back(0); order.push_back(1);
result = vec;
ba::apply_reverse_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//2 elements, changed
{
std::vector<int> vec, order, result;
vec.push_back(1); vec.push_back(2);
order.push_back(1); order.push_back(0);
result.push_back(2); result.push_back(1);
ba::apply_reverse_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//Multiple elements, no changes
{
std::vector<int> vec, order, result;
vec.push_back(1); vec.push_back(2); vec.push_back(3); vec.push_back(4); vec.push_back(5);
order.push_back(0); order.push_back(1); order.push_back(2); order.push_back(3); order.push_back(4);
result = vec;
ba::apply_reverse_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//Multiple elements, changed
{
std::vector<int> vec, order, result;
vec.push_back(1); vec.push_back(2); vec.push_back(3); vec.push_back(4); vec.push_back(5);
order.push_back(4); order.push_back(3); order.push_back(2); order.push_back(1); order.push_back(0);
result.push_back(5); result.push_back(4); result.push_back(3); result.push_back(2); result.push_back(1);
ba::apply_reverse_permutation(vec.begin(), vec.end(), order.begin(), order.end());
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
//Just test range interface
{
std::vector<int> vec, order, result;
vec.push_back(1); vec.push_back(2); vec.push_back(3); vec.push_back(4); vec.push_back(5);
order.push_back(0); order.push_back(1); order.push_back(2); order.push_back(3); order.push_back(4);
result = vec;
ba::apply_reverse_permutation(vec, order);
BOOST_CHECK_EQUAL_COLLECTIONS(vec.begin(), vec.end(), result.begin(), result.end());
}
}
|
