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17 package org.orekit.files.ccsds.ndm.odm.ocm;
18
19 import org.junit.jupiter.api.Assertions;
20 import org.junit.jupiter.api.Test;
21
22 public class OrderingTest {
23
24 @Test
25 public void testLTM() {
26 Assertions.assertEquals(10, Ordering.LTM.nbElements(4));
27 final CovarianceIndexer indexer = new CovarianceIndexer(4);
28 checkIndexer(indexer, 0, 0, false);
29 Ordering.LTM.update(indexer);
30 checkIndexer(indexer, 1, 0, false);
31 Ordering.LTM.update(indexer);
32 checkIndexer(indexer, 1, 1, false);
33 Ordering.LTM.update(indexer);
34 checkIndexer(indexer, 2, 0, false);
35 Ordering.LTM.update(indexer);
36 checkIndexer(indexer, 2, 1, false);
37 Ordering.LTM.update(indexer);
38 checkIndexer(indexer, 2, 2, false);
39 Ordering.LTM.update(indexer);
40 checkIndexer(indexer, 3, 0, false);
41 Ordering.LTM.update(indexer);
42 checkIndexer(indexer, 3, 1, false);
43 Ordering.LTM.update(indexer);
44 checkIndexer(indexer, 3, 2, false);
45 Ordering.LTM.update(indexer);
46 checkIndexer(indexer, 3, 3, false);
47 }
48
49 @Test
50 public void testUTM() {
51 Assertions.assertEquals(10, Ordering.UTM.nbElements(4));
52 final CovarianceIndexer indexer = new CovarianceIndexer(4);
53 checkIndexer(indexer, 0, 0, false);
54 Ordering.UTM.update(indexer);
55 checkIndexer(indexer, 0, 1, false);
56 Ordering.UTM.update(indexer);
57 checkIndexer(indexer, 0, 2, false);
58 Ordering.UTM.update(indexer);
59 checkIndexer(indexer, 0, 3, false);
60 Ordering.UTM.update(indexer);
61 checkIndexer(indexer, 1, 1, false);
62 Ordering.UTM.update(indexer);
63 checkIndexer(indexer, 1, 2, false);
64 Ordering.UTM.update(indexer);
65 checkIndexer(indexer, 1, 3, false);
66 Ordering.UTM.update(indexer);
67 checkIndexer(indexer, 2, 2, false);
68 Ordering.UTM.update(indexer);
69 checkIndexer(indexer, 2, 3, false);
70 Ordering.UTM.update(indexer);
71 checkIndexer(indexer, 3, 3, false);
72 }
73
74 @Test
75 public void testFULL() {
76 Assertions.assertEquals(9, Ordering.FULL.nbElements(3));
77 final CovarianceIndexer indexer = new CovarianceIndexer(3);
78 checkIndexer(indexer, 0, 0, false);
79 Ordering.FULL.update(indexer);
80 checkIndexer(indexer, 0, 1, false);
81 Ordering.FULL.update(indexer);
82 checkIndexer(indexer, 0, 2, false);
83 Ordering.FULL.update(indexer);
84 checkIndexer(indexer, 1, 0, false);
85 Ordering.FULL.update(indexer);
86 checkIndexer(indexer, 1, 1, false);
87 Ordering.FULL.update(indexer);
88 checkIndexer(indexer, 1, 2, false);
89 Ordering.FULL.update(indexer);
90 checkIndexer(indexer, 2, 0, false);
91 Ordering.FULL.update(indexer);
92 checkIndexer(indexer, 2, 1, false);
93 Ordering.FULL.update(indexer);
94 checkIndexer(indexer, 2, 2, false);
95 }
96
97 @Test
98 public void testLTMWCC() {
99 Assertions.assertEquals(9, Ordering.LTMWCC.nbElements(3));
100 final CovarianceIndexer indexer = new CovarianceIndexer(3);
101 checkIndexer(indexer, 0, 0, false);
102 Ordering.LTMWCC.update(indexer);
103 checkIndexer(indexer, 0, 1, true);
104 Ordering.LTMWCC.update(indexer);
105 checkIndexer(indexer, 0, 2, true);
106 Ordering.LTMWCC.update(indexer);
107 checkIndexer(indexer, 1, 0, false);
108 Ordering.LTMWCC.update(indexer);
109 checkIndexer(indexer, 1, 1, false);
110 Ordering.LTMWCC.update(indexer);
111 checkIndexer(indexer, 1, 2, true);
112 Ordering.LTMWCC.update(indexer);
113 checkIndexer(indexer, 2, 0, false);
114 Ordering.LTMWCC.update(indexer);
115 checkIndexer(indexer, 2, 1, false);
116 Ordering.LTMWCC.update(indexer);
117 checkIndexer(indexer, 2, 2, false);
118 }
119
120 @Test
121 public void testUTMWCC() {
122 Assertions.assertEquals(9, Ordering.UTMWCC.nbElements(3));
123 final CovarianceIndexer indexer = new CovarianceIndexer(3);
124 checkIndexer(indexer, 0, 0, false);
125 Ordering.UTMWCC.update(indexer);
126 checkIndexer(indexer, 0, 1, false);
127 Ordering.UTMWCC.update(indexer);
128 checkIndexer(indexer, 0, 2, false);
129 Ordering.UTMWCC.update(indexer);
130 checkIndexer(indexer, 1, 0, true);
131 Ordering.UTMWCC.update(indexer);
132 checkIndexer(indexer, 1, 1, false);
133 Ordering.UTMWCC.update(indexer);
134 checkIndexer(indexer, 1, 2, false);
135 Ordering.UTMWCC.update(indexer);
136 checkIndexer(indexer, 2, 0, true);
137 Ordering.UTMWCC.update(indexer);
138 checkIndexer(indexer, 2, 1, true);
139 Ordering.UTMWCC.update(indexer);
140 checkIndexer(indexer, 2, 2, false);
141 }
142
143 private void checkIndexer(final CovarianceIndexer indexer,
144 final int row, final int column, final boolean crossCorrelation) {
145 Assertions.assertEquals(row, indexer.getRow());
146 Assertions.assertEquals(column, indexer.getColumn());
147 Assertions.assertEquals(crossCorrelation, indexer.isCrossCorrelation());
148 }
149
150 }