1 /*
2 $Id: IntRangeTest.java,v 1.6 2005/03/02 08:21:04 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;
49
50 import junit.framework.TestCase;
51
52 /***
53 * @author James Strachan
54 * @version $Revision: 1.6 $
55 */
56 public class IntRangeTest extends TestCase {
57
58 public void testSize() {
59 IntRange 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 IntRange r = createRange(0, 10);
69 assertEquals("from", 0, r.getFromInt());
70 assertEquals("to", 10, r.getToInt());
71 }
72
73 public void testGet() {
74 IntRange r = createRange(10, 20);
75 for (int i = 0; i <= 10; i++) {
76 Integer value = (Integer) r.get(i);
77 assertEquals("Item at index: " + i, i + 10, value.intValue());
78 }
79 }
80
81 public void testGetOutOfRange() {
82 IntRange r = createRange(10, 20);
83
84 try {
85 r.get(-1);
86 fail("Should have thrown IndexOut");
87 }
88 catch (IndexOutOfBoundsException e) {
89 // worked
90 }
91 try {
92 r.get(11);
93 fail("Should have thrown IndexOut");
94 }
95 catch (IndexOutOfBoundsException e) {
96 // worked
97 }
98
99 }
100
101 public void testContains() {
102 IntRange r = createRange(10, 20);
103
104 assertTrue("contains 11", r.contains(new Integer(11)));
105 assertTrue("contains 10", r.contains(new Integer(10)));
106 assertTrue("contains 19", r.contains(new Integer(19)));
107 assertTrue("contains 20", r.contains(new Integer(20)));
108 assertFalse("contains 9", r.contains(new Integer(9)));
109 assertFalse("contains 21", r.contains(new Integer(21)));
110 assertFalse("contains 100", r.contains(new Integer(100)));
111 assertFalse("contains -1", r.contains(new Integer(-1)));
112 }
113
114 public void testSubList() {
115 IntRange r = createRange(10, 20);
116
117 List s = r.subList(2, 4);
118
119 IntRange sr = (IntRange) s;
120
121 assertEquals("from", 12, sr.getFromInt());
122 assertEquals("to", 13, sr.getToInt());
123 assertEquals("size", 2, sr.size());
124 }
125
126 public void testHashCodeAndEquals() {
127 IntRange a = createRange(1, 11);
128 IntRange b = createRange(1, 11);
129 IntRange c = createRange(2, 11);
130
131 assertEquals("hashcode", a.hashCode(), b.hashCode());
132 assertTrue("hashcode", a.hashCode() != c.hashCode());
133
134 assertEquals("a and b", a, b);
135 assertFalse("a != c", a.equals(c));
136 }
137
138 public void testIterator() {
139 }
140
141 protected IntRange createRange(int from, int to) {
142 return new IntRange(from, to);
143 }
144
145 protected void assertEquals(String msg, int expected, Object value) {
146 assertEquals(msg, new Integer(expected), value);
147 }
148
149
150 }