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Java > Open Source Codes > groovy > lang > RangeTest


1 /*
2  $Id: RangeTest.java,v 1.8 2005/03/02 08:21:05 jstrachan Exp $
3
4  Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
5
6  Redistribution and use of this software and associated documentation
7  ("Software"), with or without modification, are permitted provided
8  that the following conditions are met:
9
10  1. Redistributions of source code must retain copyright
11     statements and notices. Redistributions must also contain a
12     copy of this document.
13
14  2. Redistributions in binary form must reproduce the
15     above copyright notice, this list of conditions and the
16     following disclaimer in the documentation and/or other
17     materials provided with the distribution.
18
19  3. The name "groovy" must not be used to endorse or promote
20     products derived from this Software without prior written
21     permission of The Codehaus. For written permission,
22     please contact info@codehaus.org.
23
24  4. Products derived from this Software may not be called "groovy"
25     nor may "groovy" appear in their names without prior written
26     permission of The Codehaus. "groovy" is a registered
27     trademark of The Codehaus.
28
29  5. Due credit should be given to The Codehaus -
30     http://groovy.codehaus.org/
31
32  THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
33  ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
34  NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
35  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
36  THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
37  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
38  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
39  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
42  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
43  OF THE POSSIBILITY OF SUCH DAMAGE.
44
45  */

46 package groovy.lang;
47
48 import java.util.List JavaDoc;
49
50 import junit.framework.TestCase;
51
52 /**
53  * @author James Strachan
54  * @version $Revision: 1.8 $
55  */

56 public class RangeTest extends TestCase {
57
58     public void testSize() {
59         Range r = createRange(0, 10);
60         assertEquals("Size of " + r, 11, r.size());
61         r = createRange(0, 1);
62         assertEquals("Size of " + r, 2, r.size());
63         r = createRange(0, 0);
64         assertEquals("Size of " + r, 1, r.size());
65     }
66
67     public void testProperties() {
68         Range r = createRange(0, 10);
69         assertEquals("from", 0, r.getFrom());
70         assertEquals("to", 10, r.getTo());
71     }
72
73     public void testGet() {
74         Range r = createRange(10, 20);
75         for (int i = 0; i < 10; i++) {
76             Integer JavaDoc value = (Integer JavaDoc) r.get(i);
77             assertEquals("Item at index: " + i, i + 10, value.intValue());
78         }
79     }
80
81     public void testGetOutOfRange() {
82         Range r = createRange(10, 20);
83
84         try {
85             r.get(-1);
86             fail("Should have thrown IndexOut");
87         }
88         catch (IndexOutOfBoundsException JavaDoc e) {
89             // worked
90
}
91         try {
92             r.get(11);
93             fail("Should have thrown IndexOut");
94         }
95         catch (IndexOutOfBoundsException JavaDoc e) {
96             // worked
97
}
98
99     }
100
101     public void testContains() {
102         Range r = createRange(10, 20);
103
104         assertTrue("contains 11", r.contains(new Integer JavaDoc(11)));
105         assertTrue("contains 10", r.contains(new Integer JavaDoc(10)));
106         assertTrue("contains 19", r.contains(new Integer JavaDoc(19)));
107         assertFalse("contains 9", r.contains(new Integer JavaDoc(9)));
108         assertFalse("contains 21", r.contains(new Integer JavaDoc(21)));
109         assertFalse("contains 100", r.contains(new Integer JavaDoc(100)));
110         assertFalse("contains -1", r.contains(new Integer JavaDoc(-1)));
111     }
112
113     public void testSubList() {
114         Range r = createRange(10, 20);
115
116         List JavaDoc s = r.subList(2, 4);
117
118         Range sr = (Range) s;
119
120         assertEquals("from", 12, sr.getFrom());
121         assertEquals("to", 13, sr.getTo());
122         assertEquals("size", 2, sr.size());
123     }
124
125     public void testHashCodeAndEquals() {
126         Range a = createRange(1, 11);
127         Range b = createRange(1, 11);
128         Range c = createRange(2, 11);
129
130         assertEquals("hashcode", a.hashCode(), b.hashCode());
131         assertTrue("hashcode", a.hashCode() != c.hashCode());
132
133         assertEquals("a and b", a, b);
134         assertFalse("a != c", a.equals(c));
135     }
136
137     public void testIterator() {
138     }
139
140     protected Range createRange(int from, int to) {
141         return new ObjectRange(new Integer JavaDoc(from), new Integer JavaDoc(to));
142     }
143     
144     protected void assertEquals(String JavaDoc msg, int expected, Object JavaDoc value) {
145         assertEquals(msg, new Integer JavaDoc(expected), value);
146     }
147
148
149 }
150
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