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
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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 }