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1
22
23 package tests.sosnoski.util.array;
24
25 import java.util.Iterator  ;
26
27 import com.sosnoski.util.array.ObjectArray;
28
29 import junit.framework.*;
30
31 public class ObjectArrayTest extends TestCase
32 {
33 private static final int TEST_ITEMS = 80;
34
35 private ObjectArray m_array;
36
37 public ObjectArrayTest(String name) {
38 super(name);
39 }
40
41 public void setUp() {
42 m_array = new ObjectArray();
43 }
44
45 public void tearDown() {
46 m_array = null;
47 }
48
49 private Object gen(int index) {
50 return new Integer (index);
51 }
52
53 private boolean ifMatch(Object a, int b) {
54 return gen(b).equals(a);
55 }
56
57 public void fillSequential(int count) {
58 for (int i = 0; i < count; i++) {
59 m_array.add(gen(i));
60 }
61 }
62
63 public void testAdd() {
64 fillSequential(TEST_ITEMS);
65 assert(m_array.size() == TEST_ITEMS);
66 }
67
68 public void testClear() {
69 fillSequential(TEST_ITEMS);
70 m_array.clear();
71 assert(m_array.size() == 0);
72 }
73
74 public void testRemove() {
75 fillSequential(TEST_ITEMS);
76 m_array.remove(TEST_ITEMS/2);
77 assert(m_array.size() == TEST_ITEMS-1);
78 for (int i = 0; i < TEST_ITEMS/2; i++) {
79 assert(ifMatch(m_array.get(i), i));
80 }
81 for (int i = TEST_ITEMS/2; i < TEST_ITEMS-1; i++) {
82 assert(ifMatch(m_array.get(i), i+1));
83 }
84 m_array.clear();
85 fillSequential(TEST_ITEMS);
86 int start = TEST_ITEMS/3;
87 int end = start + start + 1;
88 int change = end - start;
89 m_array.remove(start, end);
90 assert(m_array.size() == TEST_ITEMS-change);
91 for (int i = 0; i < start; i++) {
92 assert(ifMatch(m_array.get(i), i));
93 }
94 for (int i = start; i < TEST_ITEMS-change; i++) {
95 assert(ifMatch(m_array.get(i), i+change));
96 }
97 }
98
99 public void testInsert() {
100 fillSequential(TEST_ITEMS);
101 m_array.add(TEST_ITEMS/2, gen(-1));
102 assert(m_array.size() == TEST_ITEMS+1);
103 for (int i = 0; i < TEST_ITEMS/2; i++) {
104 assert(ifMatch(m_array.get(i), i));
105 }
106 assert(ifMatch(m_array.get(TEST_ITEMS/2), -1));
107 for (int i = TEST_ITEMS/2; i < TEST_ITEMS; i++) {
108 assert(ifMatch(m_array.get(i+1), i));
109 }
110 }
111
112 public void testSet() {
113 fillSequential(TEST_ITEMS);
114 for (int i = 0; i < TEST_ITEMS; i++) {
115 m_array.set(i, gen(TEST_ITEMS-i));
116 }
117 assert(m_array.size() == TEST_ITEMS);
118 for (int i = 0; i < TEST_ITEMS; i++) {
119 assert(ifMatch(m_array.get(i), TEST_ITEMS-i));
120 }
121 }
122
123 public void testSetSize() {
124 fillSequential(TEST_ITEMS);
125 m_array.setSize(TEST_ITEMS/2);
126 assert(m_array.size() == TEST_ITEMS/2);
127 }
128
129 public void testToArray() {
130 fillSequential(TEST_ITEMS);
131 Object [] array = m_array.toArray();
132 assert(array.length == TEST_ITEMS);
133 for (int i = 0; i < TEST_ITEMS; i++) {
134 assert(ifMatch(array[i], i));
135 }
136 array = m_array.toArray(TEST_ITEMS/2-1, TEST_ITEMS/2);
137 assert(array.length == TEST_ITEMS/2);
138 for (int i = 0; i < TEST_ITEMS/2; i++) {
139 assert(ifMatch(array[i], TEST_ITEMS/2-1+i));
140 }
141 }
142
143 public void testToTyped() {
144 fillSequential(TEST_ITEMS);
145 Integer [] array = (Integer [])m_array.toArray(Integer .class);
146 assert(array.length == TEST_ITEMS);
147 for (int i = 0; i < TEST_ITEMS; i++) {
148 assert(ifMatch(array[i], i));
149 }
150 array = (Integer [])m_array.toArray(Integer .class, TEST_ITEMS/2-1,
151 TEST_ITEMS/2);
152 assert(array.length == TEST_ITEMS/2);
153 for (int i = 0; i < TEST_ITEMS/2; i++) {
154 assert(ifMatch(array[i], TEST_ITEMS/2-1+i));
155 }
156 }
157
158 public void testIterator() {
159 fillSequential(TEST_ITEMS);
160 Iterator iter = m_array.iterator();
161 int count = 0;
162 while (iter.hasNext()) {
163 assert(ifMatch(iter.next(), count));
164 count++;
165 }
166 assert(count == TEST_ITEMS);
167 }
168
169 public void testClone() {
170 fillSequential(TEST_ITEMS);
171 ObjectArray clone = (ObjectArray)m_array.clone();
172 assert(clone.size() == TEST_ITEMS);
173 for (int i = 0; i < TEST_ITEMS; i++) {
174 assert(ifMatch(clone.get(i), i));
175 }
176 }
177
178 public static Test suite() {
179 return new TestSuite(ObjectArrayTest.class);
180 }
181
182 public static void main(String [] args) {
183 String [] names = { ObjectArrayTest.class.getName() };
184 junit.textui.TestRunner.main(names);
185 }
186 }
187 |
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