/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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. */ package dom.range; import junit.framework.TestCase; import junit.framework.TestSuite; import org.apache.xerces.dom.DocumentImpl; import org.w3c.dom.Element; import org.w3c.dom.Text; import org.w3c.dom.ranges.Range; /** * This class is used to validate that the implementation of DOM Ranges * is functionally correct. We include in this test suite examples * from the DOM Spec. * * @author Lynn Monson * * @version $Id$ */ public class TestCompare extends TestCase { /** * Creates an instance of the test */ public TestCompare(String name) { super(name); } /** * Builds a set of ranges that correspond to the range example from * section 2.1 of the DOM range spec. These ranges are based on a * document that looks like: * *

Title

Blah xyz.

* * The ranges are as follows: * Range Start-node Start-Offset End-node End-Offset * 0 "Title" 2 "Blah.." 2 * 1 BODY 1 BODY 2 * 2 P 0 P 1 * 3 "Blah.." 0 "Blah.." 9 * * These ranges are in sorted order based on the boundary point * of the start of each range, in document order. * * The ending points of the ranges are not in any particular order. * These ranges cover all four boundary tests as enumerated in * the DOM range specification. */ private Range[] buildRanges() { DocumentImpl doc=new org.apache.xerces.dom.DocumentImpl(); Element body = doc.createElement("BODY"); doc.appendChild(body); Element h1 = doc.createElement("H1"); body.appendChild(h1); Text title = doc.createTextNode("Title"); h1.appendChild(title); Element p = doc.createElement("P"); body.appendChild(p); Text blah = doc.createTextNode("Blah xyz."); p.appendChild(blah); // We are creating the four ranges specified in the DOM example. Range[] ranges = new Range[4]; ranges[0] = doc.createRange(); ranges[0].setStart( title, 2 ); ranges[0].setEnd( blah, 2 ); ranges[1] = doc.createRange(); ranges[1].setStart( body, 1 ); ranges[1].setEnd( body, 2 ); ranges[2] = doc.createRange(); ranges[2].setStart( p, 0 ); ranges[2].setEnd( p, 1 ); ranges[3] = doc.createRange(); ranges[3].setStart( blah, 0 ); ranges[3].setEnd( blah, 9 ); return ranges; } /** * This table is the set of compareBoundaryPoints results you can * expect to see when comparing the start-to-start points of ranges found in * the DOM Spec section 2.1. These ranges are built by the above * buildRanges() method. */ private final int[][] results_START_TO_START = { { 0, -1, -1, -1 }, // range[0].compareBoundaryPoints( range[x] ) { 1, 0, -1, -1 }, // range[1].compareBoundaryPoints( range[x] ) { 1, 1, 0, -1 }, // range[2].compareBoundaryPoints( range[x] ) { 1, 1, 1, 0 }, // range[3].compareBoundaryPoints( range[x] ) }; /** * This table is the set of compareBoundaryPoints results you can * expect to see when comparing the start-to-end points of ranges found in * the DOM Spec section 2.1. These ranges are built by the above * buildRanges() method. */ private final int[][] results_START_TO_END = { { 1, 1, 1, 1 }, // range[0].compareBoundaryPoints( range[x] ) { 1, 1, 1, 1 }, // range[1].compareBoundaryPoints( range[x] ) { 1, 1, 1, 1 }, // range[2].compareBoundaryPoints( range[x] ) { 1, 1, 1, 1 }, // range[3].compareBoundaryPoints( range[x] ) }; /** * This table is the set of compareBoundaryPoints results you can * expect to see when comparing the end-to-start points of ranges found in * the DOM Spec section 2.1. These ranges are built by the above * buildRanges() method. */ private final int[][] results_END_TO_START = { { -1, -1, -1, -1 }, // range[0].compareBoundaryPoints( range[x] ) { -1, -1, -1, -1 }, // range[0].compareBoundaryPoints( range[x] ) { -1, -1, -1, -1 }, // range[0].compareBoundaryPoints( range[x] ) { -1, -1, -1, -1 }, // range[0].compareBoundaryPoints( range[x] ) }; /** * This table is the set of compareBoundaryPoints results you can * expect to see when comparing the end-to-end points of ranges found in * the DOM Spec section 2.1. These ranges are built by the above * buildRanges() method. */ private final int[][] results_END_TO_END = { { 0, -1, -1, -1 }, // range[0].compareBoundaryPoints( range[x] ) { 1, 0, 1, 1 }, // range[1].compareBoundaryPoints( range[x] ) { 1, -1, 0, 1 }, // range[2].compareBoundaryPoints( range[x] ) { 1, -1, -1, 0 }, // range[3].compareBoundaryPoints( range[x] ) }; /** * Utility method used to compare the Ranges from the * buildRanges() method. The caller specifies how the ranges * should be compared and what the results should be. */ private void doTestCompare( short how, int[][] results ) { // get the sample ranges Range[] ranges = buildRanges(); // Compare every pair of ranges. for( int i=0; i