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1
27 package org.htmlparser.tests.utilTests;
28
29 import org.htmlparser.Node;
30 import org.htmlparser.nodes.AbstractNode;
31 import org.htmlparser.tests.ParserTestCase;
32 import org.htmlparser.util.NodeList;
33 import org.htmlparser.util.SimpleNodeIterator;
34 import org.htmlparser.visitors.NodeVisitor;
35
36 public class NodeListTest extends ParserTestCase {
37
38 static
39 {
40 System.setProperty ("org.htmlparser.tests.utilTests.NodeListTest", "NodeListTest");
41 }
42
43 private NodeList nodeList;
44 private Node[] testNodes;
45
46 public NodeListTest(String  name) {
47 super(name);
48 }
49
50 protected void setUp() {
51 nodeList = new NodeList();
52 }
53
54 public void testAddOneItem() {
55 Node node = createHTMLNodeObject();
56 nodeList.add(node);
57 assertEquals("Vector Size",1,nodeList.size());
58 assertTrue("First Element",node==nodeList.elementAt(0));
59 }
60
61 public void testAddTwoItems() {
62 Node node1 = createHTMLNodeObject();
63 Node node2 = createHTMLNodeObject();
64 nodeList.add(node1);
65 nodeList.add(node2);
66 assertEquals("Vector Size",2,nodeList.size());
67 assertTrue("First Element",node1==nodeList.elementAt(0));
68 assertTrue("Second Element",node2==nodeList.elementAt(1));
69 }
70
71 public void testAddTenItems() {
72 createTestDataAndPutInVector(10);
73 assertTestDataCouldBeExtractedFromVector(10);
74 }
75
76 public void testAddElevenItems() {
77 createTestDataAndPutInVector(11);
78 assertTestDataCouldBeExtractedFromVector(11);
79 }
80
81 public void testAddThirtyItems() {
82 createTestDataAndPutInVector(30);
83 assertTestDataCouldBeExtractedFromVector(30);
84 assertEquals("Number of Adjustments",1,nodeList.getNumberOfAdjustments());
85 }
86
87 public void testAddThirtyOneItems() {
88 createTestDataAndPutInVector(31);
89 assertTestDataCouldBeExtractedFromVector(31);
90 assertEquals("Number of Adjustments",2,nodeList.getNumberOfAdjustments());
91 }
92
93 public void testAddFiftyItems() {
94 createTestDataAndPutInVector(50);
95 assertTestDataCouldBeExtractedFromVector(50);
96 assertEquals("Number of Adjustments",2,nodeList.getNumberOfAdjustments());
97 }
98
99 public void testAddFiftyOneItems() {
100 createTestDataAndPutInVector(51);
101 assertTestDataCouldBeExtractedFromVector(51);
102 assertEquals("Number of Adjustments",2,nodeList.getNumberOfAdjustments());
103 }
104
105 public void testAddTwoHundredItems() {
106 createTestDataAndPutInVector(200);
107 assertEquals("Number of Adjustments",4,nodeList.getNumberOfAdjustments());
108 }
109
110 public void testElements() throws Exception {
111 createTestDataAndPutInVector(11);
112 Node [] resultNodes = new Node[11];
113 int i = 0;
114 for (SimpleNodeIterator e = nodeList.elements();e.hasMoreNodes();) {
115 resultNodes[i] = e.nextNode();
116 assertTrue("Node "+i+" did not match",testNodes[i]==resultNodes[i]);
117 i++;
118 }
119
120 }
121
122 private Node createHTMLNodeObject() {
123 Node node = new AbstractNode(null,10,20) {
124 public void accept(NodeVisitor visitor) {
125 }
126
127 public String toHtml() {
128 return null;
129 }
130
131 public String toPlainTextString() {
132 return null;
133 }
134
135 public String toString() {
136 return "";
137 }
138 };
139 return node;
140 }
141
142 private void createTestDataAndPutInVector(int nodeCount) {
143 testNodes = new Node[nodeCount];
144 for (int i=0;i<nodeCount;i++) {
145 testNodes[i]= createHTMLNodeObject();
146 nodeList.add(testNodes[i]);
147 }
148 }
149
150 private void assertTestDataCouldBeExtractedFromVector(int nodeCount) {
151 for (int i=0;i<nodeCount;i++) {
152 assertTrue("Element "+i+" did not match",testNodes[i]==nodeList.elementAt(i));
153 }
154 }
155
156 public void testToNodeArray() {
157 createTestDataAndPutInVector(387);
158 Node nodes [] = nodeList.toNodeArray();
159 assertEquals("Length of array",387,nodes.length);
160 for (int i=0;i<nodes.length;i++)
161 assertNotNull("node "+i+" should not be null",nodes[i]);
162 }
163
164 public void testRemove() {
165 Node node1 = createHTMLNodeObject();
166 Node node2 = createHTMLNodeObject();
167 nodeList.add(node1);
168 nodeList.add(node2);
169 assertEquals("Vector Size",2,nodeList.size());
170 assertTrue("First Element",node1==nodeList.elementAt(0));
171 assertTrue("Second Element",node2==nodeList.elementAt(1));
172 nodeList.remove(1);
173 assertEquals("List Size",1,nodeList.size());
174 assertTrue("First Element",node1==nodeList.elementAt(0));
175 }
176
177 public void testRemoveAll() {
178 Node node1 = createHTMLNodeObject();
179 Node node2 = createHTMLNodeObject();
180 nodeList.add(node1);
181 nodeList.add(node2);
182 assertEquals("Vector Size",2,nodeList.size());
183 assertTrue("First Element",node1==nodeList.elementAt(0));
184 assertTrue("Second Element",node2==nodeList.elementAt(1));
185 nodeList.removeAll();
186 assertEquals("List Size",0,nodeList.size());
187 assertTrue("First Element",null==nodeList.elementAt(0));
188 assertTrue("Second Element",null==nodeList.elementAt(1));
189 }
190 }
191 |
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