-
Notifications
You must be signed in to change notification settings - Fork 115
Expand file tree
/
Copy pathapply_permutation_test.cpp
More file actions
162 lines (138 loc) · 6.35 KB
/
apply_permutation_test.cpp
File metadata and controls
162 lines (138 loc) · 6.35 KB
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 <[email protected]>, 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());
}
}