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1
16 package org.apache.commons.lang.math;
17
18 import junit.framework.Test;
19 import junit.framework.TestSuite;
20
21
27 public final class DoubleRangeTest extends AbstractRangeTest {
28
29 public DoubleRangeTest(String  name) {
30 super(name);
31 }
32
33 public static Test suite() {
34 TestSuite suite = new TestSuite(DoubleRangeTest.class);
35 suite.setName("DoubleRange Tests");
36 return suite;
37 }
38
39 public void setUp() {
40 super.setUp();
41 tenToTwenty = new DoubleRange(double10, double20);
42 otherRange = new NumberRange(ten, twenty);
43 }
44
45 protected Range createRange(Integer integer1, Integer integer2) {
46 return new DoubleRange(integer1, integer2);
47 }
48 protected Range createRange(Integer integer) {
49 return new NumberRange(integer);
50 }
51
52
54 public void testConstructor1a() {
55 DoubleRange nr = new DoubleRange(8d);
56 assertEquals(double8, nr.getMinimumNumber());
57 assertEquals(double8, nr.getMaximumNumber());
58
59 try {
60 new DoubleRange(Double.NaN);
61 fail();
62 } catch (IllegalArgumentException ex) {}
63 }
64
65 public void testConstructor1b() {
66 DoubleRange nr = new DoubleRange(double8);
67 assertSame(double8, nr.getMinimumNumber());
68 assertSame(double8, nr.getMaximumNumber());
69
70 Range r = new DoubleRange(nonComparable);
71
72 try {
73 new DoubleRange(null);
74 fail();
75 } catch (IllegalArgumentException ex) {}
76 try {
77 new DoubleRange(new Double (Double.NaN));
78 fail();
79 } catch (IllegalArgumentException ex) {}
80 }
81
82 public void testConstructor2a() {
83 DoubleRange nr = new DoubleRange(8d, 10d);
84 assertEquals(double8, nr.getMinimumNumber());
85 assertEquals(double10, nr.getMaximumNumber());
86
87 nr = new DoubleRange(10d, 8d);
88 assertEquals(double8, nr.getMinimumNumber());
89 assertEquals(double10, nr.getMaximumNumber());
90
91 try {
92 new DoubleRange(Double.NaN, 8d);
93 fail();
94 } catch (IllegalArgumentException ex) {}
95 }
96
97 public void testConstructor2b() {
98 DoubleRange nr = new DoubleRange(double8, double10);
99 assertSame(double8, nr.getMinimumNumber());
100 assertSame(double10, nr.getMaximumNumber());
101
102 nr = new DoubleRange(double10, double8);
103 assertSame(double8, nr.getMinimumNumber());
104 assertSame(double10, nr.getMaximumNumber());
105
106 nr = new DoubleRange(double8, double10);
107 assertSame(double8, nr.getMinimumNumber());
108 assertEquals(double10, nr.getMaximumNumber());
109
110 try {
112 new DoubleRange(double8, null);
113 fail();
114 } catch (IllegalArgumentException ex) {}
115 try {
116 new DoubleRange(null, double8);
117 fail();
118 } catch (IllegalArgumentException ex) {}
119 try {
120 new DoubleRange(null, null);
121 fail();
122 } catch (IllegalArgumentException ex) {}
123
124 try {
125 new DoubleRange(new Double (Double.NaN), double10);
126 fail();
127 } catch (IllegalArgumentException ex) {}
128 }
129
130
132 public void testContainsNumber() {
133 assertEquals(false, tenToTwenty.containsNumber(null));
134 assertEquals(true, tenToTwenty.containsNumber(nonComparable));
135
136 assertEquals(false, tenToTwenty.containsNumber(five));
137 assertEquals(true, tenToTwenty.containsNumber(ten));
138 assertEquals(true, tenToTwenty.containsNumber(fifteen));
139 assertEquals(true, tenToTwenty.containsNumber(twenty));
140 assertEquals(false, tenToTwenty.containsNumber(twentyFive));
141
142 assertEquals(false, tenToTwenty.containsNumber(long8));
143 assertEquals(true, tenToTwenty.containsNumber(long10));
144 assertEquals(true, tenToTwenty.containsNumber(long12));
145 assertEquals(true, tenToTwenty.containsNumber(long20));
146 assertEquals(false, tenToTwenty.containsNumber(long21));
147
148 assertEquals(false, tenToTwenty.containsNumber(double8));
149 assertEquals(true, tenToTwenty.containsNumber(double10));
150 assertEquals(true, tenToTwenty.containsNumber(double12));
151 assertEquals(true, tenToTwenty.containsNumber(double20));
152 assertEquals(false, tenToTwenty.containsNumber(double21));
153
154 assertEquals(false, tenToTwenty.containsNumber(float8));
155 assertEquals(true, tenToTwenty.containsNumber(float10));
156 assertEquals(true, tenToTwenty.containsNumber(float12));
157 assertEquals(true, tenToTwenty.containsNumber(float20));
158 assertEquals(false, tenToTwenty.containsNumber(float21));
159 }
160
161 public void testToString() {
162 String str = tenToTwenty.toString();
163 assertEquals("Range[10.0,20.0]", str);
164 assertSame(str, tenToTwenty.toString());
165 assertEquals("Range[-20.0,-10.0]", createRange(new Integer (-20), new Integer (-10)).toString());
166 }
167
168
170 }
171 |
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