1/*
2 * SpaceBox_unit_tests.hpp
3 *
4 * Created on: May 8, 2015
5 * Author: i-bird
6 */
7#define BOOST_TEST_DYN_LINK
8#include <boost/test/unit_test.hpp>
9
10
11#include "Space/SpaceBox.hpp"
12
13#define N_RANDOM_POINT 1024
14
15BOOST_AUTO_TEST_SUITE( spacebox_test )
16
17BOOST_AUTO_TEST_CASE( spacebox_use)
18{
19 std::cout << "SpaceBox unit test start" << "\n";
20
21 //! [Definition of a spacebox and rescale]
22
23 float spacing[2] = {0.1,0.1};
24
25 {
26 SpaceBox<2,float> sp({1.0,1.0},{2.0,2.0});
27 sp.rescale(spacing);
28
29 BOOST_REQUIRE_CLOSE(sp.getLow(0),1.0,0.0001);
30 BOOST_REQUIRE_CLOSE(sp.getLow(1),1.0,0.0001);
31 BOOST_REQUIRE_CLOSE(sp.getHigh(0),1.1,0.0001);
32 BOOST_REQUIRE_CLOSE(sp.getHigh(1),1.1,0.0001);
33 }
34
35 //! [Definition of a spacebox and rescale]
36
37 {
38 SpaceBox<2,float> sp({1.0,1.0},{2.0,2.0});
39 sp.mul(spacing);
40 sp.expand(spacing);
41
42 BOOST_REQUIRE_CLOSE(sp.getLow(0),0.1,0.0001);
43 BOOST_REQUIRE_CLOSE(sp.getLow(1),0.1,0.0001);
44 BOOST_REQUIRE_CLOSE(sp.getHigh(0),0.3,0.0001);
45 BOOST_REQUIRE_CLOSE(sp.getHigh(1),0.3,0.0001);
46 }
47
48 //! [Definition of a spacebox and intersection between them]
49
50 {
51 SpaceBox<2,float> sp1({1.0,1.0},{2.0,2.0});
52 SpaceBox<2,float> sp2({0.5,0.5},{1.5,1.5});
53 SpaceBox<2,float> sp3;
54
55 bool inte = sp1.Intersect(sp2,sp3);
56
57 BOOST_REQUIRE_EQUAL(inte,true);
58 BOOST_REQUIRE_EQUAL(sp3.getLow(0),1.0);
59 BOOST_REQUIRE_EQUAL(sp3.getLow(1),1.0);
60 BOOST_REQUIRE_EQUAL(sp3.getHigh(0),1.5);
61 BOOST_REQUIRE_EQUAL(sp3.getHigh(1),1.5);
62
63 //! [Definition of a spacebox and intersection between them]
64
65 sp1.set({0.0,0.0},{1.0,1.0});
66 sp2.set({0.2,-0.5},{0.4,1.5});
67
68 inte = sp1.Intersect(sp2,sp3);
69
70 BOOST_REQUIRE_EQUAL(inte,true);
71 BOOST_REQUIRE_EQUAL(sp3.getLow(0),0.2f);
72 BOOST_REQUIRE_EQUAL(sp3.getLow(1),0.0f);
73 BOOST_REQUIRE_EQUAL(sp3.getHigh(0),0.4f);
74 BOOST_REQUIRE_EQUAL(sp3.getHigh(1),1.0f);
75
76 sp1.set({0.0,0.0},{1.0,1.0});
77 sp2.set({0.2,0.2},{0.4,0.4});
78
79 inte = sp1.Intersect(sp2,sp3);
80
81 BOOST_REQUIRE_EQUAL(inte,true);
82 BOOST_REQUIRE_EQUAL(sp3.getLow(0),0.2f);
83 BOOST_REQUIRE_EQUAL(sp3.getLow(1),0.2f);
84 BOOST_REQUIRE_EQUAL(sp3.getHigh(0),0.4f);
85 BOOST_REQUIRE_EQUAL(sp3.getHigh(1),0.4f);
86
87 sp1.set({0.0,0.0},{1.0,1.0});
88 sp2.set({1.2,0.0},{2.4,1.0});
89
90 inte = sp1.Intersect(sp2,sp3);
91
92 BOOST_REQUIRE_EQUAL(inte,false);
93
94
95 // Box line intersection
96
97 sp1.set({0.0,0.0},{1.0,1.0});
98 sp2.set({0.5,0.1},{0.5,1.1});
99
100 inte = sp1.Intersect(sp2,sp3);
101
102 BOOST_REQUIRE_EQUAL(inte,true);
103 BOOST_REQUIRE_EQUAL(sp3.getLow(0),0.5f);
104 BOOST_REQUIRE_EQUAL(sp3.getLow(1),0.1f);
105 BOOST_REQUIRE_EQUAL(sp3.getHigh(0),0.5f);
106 BOOST_REQUIRE_EQUAL(sp3.getHigh(1),1.0f);
107
108 // Box Box with line result
109
110 sp1.set({0.0,0.0},{1.0,1.0});
111 sp2.set({1.0,0.0},{1.5,1.5});
112
113 inte = sp1.Intersect(sp2,sp3);
114
115 BOOST_REQUIRE_EQUAL(inte,true);
116 BOOST_REQUIRE_EQUAL(sp3.getLow(0),1.0f);
117 BOOST_REQUIRE_EQUAL(sp3.getLow(1),0.0f);
118 BOOST_REQUIRE_EQUAL(sp3.getHigh(0),1.0f);
119 BOOST_REQUIRE_EQUAL(sp3.getHigh(1),1.0f);
120
121
122 sp1.set({0.0,0.0},{1.0,1.0});
123 Ghost<2,float> g(0.5);
124
125 sp1.enlarge(g);
126
127 BOOST_REQUIRE_EQUAL(sp1.getLow(0),-0.5f);
128 BOOST_REQUIRE_EQUAL(sp1.getLow(1),-0.5f);
129 BOOST_REQUIRE_EQUAL(sp1.getHigh(0),1.5f);
130 BOOST_REQUIRE_EQUAL(sp1.getHigh(1),1.5f);
131 }
132
133 //! [Create random points inside the SpaceBox]
134
135 SpaceBox<3,float> sp_box({0.0,0.0,0.0},{1.0,1.0,1.0});
136
137 for (int i = 0 ; i < N_RANDOM_POINT ; i++)
138 {
139 Point<3,float> p = sp_box.rnd();
140
141 BOOST_REQUIRE_EQUAL(sp_box.isInside(p),true);
142 }
143
144 //! [Create random points inside the SpaceBox]
145
146 // Create random points outside the space box and check
147
148 SpaceBox<3,float> sp_box_out({1.1,1.1,1.1},{2.1,2.1,2.1});
149
150 for (int i = 0 ; i < N_RANDOM_POINT ; i++)
151 {
152 Point<3,float> p = sp_box_out.rnd();
153
154 BOOST_REQUIRE_EQUAL(sp_box.isInside(p),false);
155 }
156
157 std::cout << "SpaceBox unit test stop" << "\n";
158}
159
160
161BOOST_AUTO_TEST_SUITE_END()
162
163
164