|
1
22
23 package tests.sosnoski.util.hashmap;
24
25 import java.util.Iterator  ;
26
27 import com.sosnoski.util.hashmap.ObjectObjectHashMap;
28
29 import junit.framework.*;
30
31 public class ObjectObjectHashMapTest extends TestCase
32 {
33 private static final int TEST_ITEMS = 80;
34
35 protected ObjectObjectHashMap m_hashmap;
36
37 private Integer [] m_integerTable;
38
39 public ObjectObjectHashMapTest(String name) {
40 super(name);
41 m_integerTable = new Integer [TEST_ITEMS];
42 for (int i = 0; i < TEST_ITEMS; i++) {
43 m_integerTable[i] = new Integer (i);
44 }
45 }
46
47 public void tearDown() {
48 m_hashmap.clear();
49 }
50
51 private Object gen(int index) {
52 if (index >= 0 && index < TEST_ITEMS) {
53 return m_integerTable[index];
54 } else {
55 return new Integer (index);
56 }
57 }
58
59 private Object gens(int index) {
60 return Integer.toString(index);
61 }
62
63 private boolean ifMatch(Object a, int b) {
64 return Integer.parseInt((String )a) == b;
65 }
66
67 public void fillSequential(int count) {
68 for (int i = 0; i < count; i++) {
69 m_hashmap.add(gen(i), gens(i));
70 }
71 }
72
73 public void testAdd() {
74 fillSequential(TEST_ITEMS);
75 assert(m_hashmap.size() == TEST_ITEMS);
76 for (int i = 0; i < TEST_ITEMS; i++) {
77 assert(ifMatch(m_hashmap.get(gen(i)), i));
78 }
79 assert(m_hashmap.add(gen(-1), gens(-1)) == null);
80 }
81
82 public void testClear() {
83 fillSequential(TEST_ITEMS);
84 m_hashmap.clear();
85 assert(m_hashmap.size() == 0);
86 }
87
88 public void testContains() {
89 fillSequential(TEST_ITEMS);
90 assert(m_hashmap.size() == TEST_ITEMS);
91 assert(!m_hashmap.containsKey(gen(-1)));
92 for (int i = 0; i < TEST_ITEMS; i++) {
93 assert(m_hashmap.containsKey(gen(i)));
94 }
95 for (int i = TEST_ITEMS; i < TEST_ITEMS*20; i++) {
96 assert(!m_hashmap.containsKey(gen(i)));
97 }
98 }
99
100 public void testRemove() {
101 fillSequential(TEST_ITEMS);
102 assert(ifMatch(m_hashmap.remove(gen(TEST_ITEMS/2)), TEST_ITEMS/2));
103 assert(m_hashmap.size() == TEST_ITEMS-1);
104 for (int i = 0; i < TEST_ITEMS/2; i++) {
105 assert(ifMatch(m_hashmap.get(gen(i)), i));
106 }
107 assert(!m_hashmap.containsKey(gen(TEST_ITEMS/2)));
108 for (int i = TEST_ITEMS/2+1; i < TEST_ITEMS; i++) {
109 assert(ifMatch(m_hashmap.get(gen(i)), i));
110 }
111 assert(m_hashmap.remove(gen(-1)) == null);
112 assert(m_hashmap.size() == TEST_ITEMS-1);
113 }
114
115 public void testReplace() {
116 fillSequential(TEST_ITEMS);
117 for (int i = 0; i < TEST_ITEMS; i++) {
118 assert(ifMatch(m_hashmap.add(gen(i), gens(TEST_ITEMS-i)), i));
119 }
120 assert(m_hashmap.size() == TEST_ITEMS);
121 for (int i = 0; i < TEST_ITEMS; i++) {
122 assert(ifMatch(m_hashmap.get(gen(i)), TEST_ITEMS-i));
123 }
124 }
125
126 public void testIterator() {
127 fillSequential(TEST_ITEMS);
128 Iterator iter = m_hashmap.iterator();
129 int count = 0;
130 while (iter.hasNext()) {
131 count++;
132 assert(m_hashmap.containsKey(iter.next()));
133 }
134 assert(count == TEST_ITEMS);
135 }
136
137 public void testClone() {
138 fillSequential(TEST_ITEMS);
139 ObjectObjectHashMap clone = (ObjectObjectHashMap)m_hashmap.clone();
140 assert(clone.size() == TEST_ITEMS);
141 for (int i = 0; i < TEST_ITEMS; i++) {
142 assert(ifMatch(m_hashmap.get(gen(i)), i));
143 }
144 }
145
146 public static Test suite() {
147 TestSuite suite = new TestSuite();
148 suite.addTest(new TestSuite(TestStandard.class));
149 suite.addTest(new TestSuite(TestIdentCompare.class));
150 suite.addTest(new TestSuite(TestIdentHash.class));
151 return suite;
152 }
153
154 public static void main(Object [] args) {
155 String [] names = { ObjectObjectHashMapTest.class.getName() };
156 junit.textui.TestRunner.main(names);
157 }
158
159 public static class TestStandard extends ObjectObjectHashMapTest
160 {
161 public TestStandard(String name) {
162 super(name);
163 }
164
165 public void setUp() {
166 m_hashmap = new ObjectObjectHashMap(ObjectObjectHashMap.STANDARD_HASH);
167 }
168 }
169
170 public static class TestIdentCompare extends ObjectObjectHashMapTest
171 {
172 public TestIdentCompare(String name) {
173 super(name);
174 }
175
176 public void setUp() {
177 m_hashmap = new ObjectObjectHashMap(ObjectObjectHashMap.IDENTITY_COMP);
178 }
179 }
180
181 public static class TestIdentHash extends ObjectObjectHashMapTest
182 {
183 public TestIdentHash(String name) {
184 super(name);
185 }
186
187 public void setUp() {
188 m_hashmap = new ObjectObjectHashMap(ObjectObjectHashMap.IDENTITY_HASH);
189 }
190 }
191 }
192 |
Popular Tags |
Java API By Example, From Geeks To Geeks.