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1
23 package com.sun.enterprise.management.util.misc;
24
25
26 import com.sun.appserv.management.util.misc.CircularList;
27
28
29 public class CircularListTest extends junit.framework.TestCase
30 {
31 public
32 CircularListTest()
33 {
34 }
35
36 public void
37 testCreate()
38 {
39 new CircularList<Object  >( Object .class, 10 );
40 }
41
42
43 public void
44 testCreateIllegal()
45 {
46 try
47 {
48 new CircularList<Object >( Object .class, 0 );
49 assert( false );
50 }
51 catch( IllegalArgumentException e )
52 {
53 }
54 }
55
56 public void
57 testSizeAndCapacity()
58 {
59 final CircularList<Object > list = new CircularList<Object >( Object .class, 10 );
60
61 assertEquals( 0, list.size() );
62 assertEquals( 10, list.capacity() );
63 }
64
65 public void
66 testClear()
67 {
68 final CircularList<Object > list = new CircularList<Object >( Object .class, 10 );
69
70 assertEquals( 0, list.size() );
71
72 list.add( "hello" );
73 assertEquals( 1, list.size() );
74 list.clear();
75 assertEquals( 0, list.size() );
76
77 assertEquals( 10, list.capacity() );
78 }
79 public void
80 testAddUntilFull()
81 {
82 final int capacity = 10;
83 final CircularList<Integer > list = new CircularList<Integer >( Integer .class, capacity );
84 assertEquals( capacity, list.capacity() );
85
86 for( int i = 0; i < capacity; ++i )
87 {
88 list.add( new Integer ( i ) );
89 assert( list.size() == i + 1 );
90 assert( ((Integer )list.get( i )).intValue() == i );
91 }
92 assert( list.capacity() == capacity );
93 }
94
95 public void
96 testAddPastFull()
97 {
98 final int capacity = 10;
99 final int count = capacity * 10 + 1;
100 final CircularList<Integer > list = new CircularList<Integer >( Integer .class, capacity );
101
102 for( int i = 0; i < count; ++i )
103 {
104 list.add( new Integer ( i ) );
105
106 Integer value = (Integer )list.get( list.size() - 1 );
107 assertEquals( i, value.intValue() );
108
109 if ( i >= capacity )
110 {
111 value = (Integer )list.get( 0 );
112 assertEquals( 1 + (i - capacity), value.intValue() );
113 }
114 }
115 assert( list.capacity() == capacity );
116 }
117
118 public void
119 testRemoveFirstLast()
120 {
121 final int capacity = 3;
122 final CircularList<String > list = new CircularList<String >( String .class, capacity );
123
124 list.add( "hello" );
125 list.add( "xxx" );
126 list.add( "there" );
127
128 assertEquals( "hello", list.removeFirst() );
129 assertEquals( "there", list.removeLast() );
130 assertEquals( 1, list.size() );
131 }
132
133
134 public void
135 testRemoveFirst()
136 {
137 final int capacity = 100;
138 final CircularList<Integer > list = new CircularList<Integer >( Integer .class, capacity );
139
140 for( int i = 0; i < capacity; ++i )
141 {
142 list.add( new Integer ( i ) );
143 }
144
145 for( int i = 0; i < capacity; ++i )
146 {
147 final Integer value = (Integer )list.removeFirst();
148 assertEquals( i, value.intValue() );
149 }
150 }
151
152 public void
153 testSet()
154 {
155 final int capacity = 100;
156 final CircularList<Integer > list = new CircularList<Integer >( Integer .class, capacity );
157
158 for( int i = 0; i < capacity; ++i )
159 {
160 list.add( new Integer ( i ) );
161 }
162
163 for( int i = 0; i < capacity; ++i )
164 {
165 final Integer value = (Integer )list.get( i );
166 list.set( i, value );
167 assertEquals( value, list.get( i ) );
168 }
169 }
170
171 public void
172 testEquals()
173 {
174 final int capacity = 2;
175 final CircularList<String > list1 = new CircularList<String >( String .class, capacity );
176 final CircularList<String > list2 = new CircularList<String >( String .class, capacity );
177 assert( list1.equals( list2 ) );
178
179 list1.add( "hello" );
180 list1.add( "there" );
181 list2.add( "hello" );
182 list2.add( "there" );
183
184 assert( list1.equals( list2 ) );
185 }
186 }
187
188
189
190
191
192
193 |
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