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The source code// $Header: /home/cvs/jakarta-jmeter/src/htmlparser/org/htmlparser/tests/utilTests/NodeListTest.java,v 1.2 2004/02/11 02:16:57 woolfel Exp $ /* * ==================================================================== * Copyright 2002-2004 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ // The developers of JMeter and Apache are greatful to the developers // of HTMLParser for giving Apache Software Foundation a non-exclusive // license. The performance benefits of HTMLParser are clear and the // users of JMeter will benefit from the hard work the HTMLParser // team. For detailed information about HTMLParser, the project is // hosted on sourceforge at http://htmlparser.sourceforge.net/. // // HTMLParser was originally created by Somik Raha in 2000. Since then // a healthy community of users has formed and helped refine the // design so that it is able to tackle the difficult task of parsing // dirty HTML. Derrick Oswald is the current lead developer and was kind // enough to assist JMeter. package org.htmlparser.tests.utilTests; import org.htmlparser.Node; import org.htmlparser.tests.ParserTestCase; import org.htmlparser.util.NodeList; import org.htmlparser.util.SimpleNodeIterator; import org.htmlparser.visitors.NodeVisitor; public class NodeListTest extends ParserTestCase { private NodeList nodeList; private Node[] testNodes; public NodeListTest(String name) { super(name); } protected void setUp() { nodeList = new NodeList(); } public void testAddOneItem() { Node node = createHTMLNodeObject(); nodeList.add(node); assertEquals("Vector Size", 1, nodeList.size()); assertTrue("First Element", node == nodeList.elementAt(0)); } public void testAddTwoItems() { Node node1 = createHTMLNodeObject(); Node node2 = createHTMLNodeObject(); nodeList.add(node1); nodeList.add(node2); assertEquals("Vector Size", 2, nodeList.size()); assertTrue("First Element", node1 == nodeList.elementAt(0)); assertTrue("Second Element", node2 == nodeList.elementAt(1)); } public void testAddTenItems() { createTestDataAndPutInVector(10); assertTestDataCouldBeExtractedFromVector(10); } public void testAddElevenItems() { createTestDataAndPutInVector(11); assertTestDataCouldBeExtractedFromVector(11); } public void testAddThirtyItems() { createTestDataAndPutInVector(30); assertTestDataCouldBeExtractedFromVector(30); assertEquals( "Number of Adjustments", 1, nodeList.getNumberOfAdjustments()); } public void testAddThirtyOneItems() { createTestDataAndPutInVector(31); assertTestDataCouldBeExtractedFromVector(31); assertEquals( "Number of Adjustments", 2, nodeList.getNumberOfAdjustments()); } public void testAddFiftyItems() { createTestDataAndPutInVector(50); assertTestDataCouldBeExtractedFromVector(50); assertEquals( "Number of Adjustments", 2, nodeList.getNumberOfAdjustments()); } public void testAddFiftyOneItems() { createTestDataAndPutInVector(51); assertTestDataCouldBeExtractedFromVector(51); assertEquals( "Number of Adjustments", 2, nodeList.getNumberOfAdjustments()); } public void testAddTwoHundredItems() { createTestDataAndPutInVector(200); assertEquals( "Number of Adjustments", 4, nodeList.getNumberOfAdjustments()); } public void testElements() throws Exception { createTestDataAndPutInVector(11); Node[] resultNodes = new Node[11]; int i = 0; for (SimpleNodeIterator e = nodeList.elements(); e.hasMoreNodes();) { resultNodes[i] = e.nextNode(); assertTrue( "Node " + i + " did not match", testNodes[i] == resultNodes[i]); i++; } } private Node createHTMLNodeObject() { Node node = new Node(10, 20) { public void accept(NodeVisitor visitor) { } public void collectInto(NodeList collectionList, String filter) { } public String toHtml() { return null; } public String toPlainTextString() { return null; } public String toString() { return ""; } }; return node; } private void createTestDataAndPutInVector(int nodeCount) { testNodes = new Node[nodeCount]; for (int i = 0; i < nodeCount; i++) { testNodes[i] = createHTMLNodeObject(); nodeList.add(testNodes[i]); } } private void assertTestDataCouldBeExtractedFromVector(int nodeCount) { for (int i = 0; i < nodeCount; i++) { assertTrue( "Element " + i + " did not match", testNodes[i] == nodeList.elementAt(i)); } } public void testToNodeArray() { createTestDataAndPutInVector(387); Node nodes[] = nodeList.toNodeArray(); assertEquals("Length of array", 387, nodes.length); for (int i = 0; i < nodes.length; i++) assertNotNull("node " + i + " should not be null", nodes[i]); } public void testRemove() { Node node1 = createHTMLNodeObject(); Node node2 = createHTMLNodeObject(); nodeList.add(node1); nodeList.add(node2); assertEquals("Vector Size", 2, nodeList.size()); assertTrue("First Element", node1 == nodeList.elementAt(0)); assertTrue("Second Element", node2 == nodeList.elementAt(1)); nodeList.remove(1); assertEquals("List Size", 1, nodeList.size()); assertTrue("First Element", node1 == nodeList.elementAt(0)); } public void testRemoveAll() { Node node1 = createHTMLNodeObject(); Node node2 = createHTMLNodeObject(); nodeList.add(node1); nodeList.add(node2); assertEquals("Vector Size", 2, nodeList.size()); assertTrue("First Element", node1 == nodeList.elementAt(0)); assertTrue("Second Element", node2 == nodeList.elementAt(1)); nodeList.removeAll(); assertEquals("List Size", 0, nodeList.size()); assertTrue("First Element", null == nodeList.elementAt(0)); assertTrue("Second Element", null == nodeList.elementAt(1)); } public static void main(String[] args) { new junit.awtui.TestRunner().start( new String[] { NodeListTest.class.getName()}); } } |
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