1 2/* 3Copyright é 2001-2004 World Wide Web Consortium, 4(Massachusetts Institute of Technology, European Research Consortium 5for Informatics and Mathematics, Keio University). All 6Rights Reserved. This work is distributed under the W3Cî Software License [1] in the 7hope that it will be useful, but WITHOUT ANY WARRANTY; without even 8the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 9 10[1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231 11*/ 12 13 14 15 /** 16 * Gets URI that identifies the test. 17 * @return uri identifier of test 18 */ 19function getTargetURI() { 20 return "http://www.w3.org/2001/DOM-Test-Suite/level2/html/HTMLImageElement03"; 21 } 22 23var docsLoaded = -1000000; 24var builder = null; 25 26// 27// This function is called by the testing framework before 28// running the test suite. 29// 30// If there are no configuration exceptions, asynchronous 31// document loading is started. Otherwise, the status 32// is set to complete and the exception is immediately 33// raised when entering the body of the test. 34// 35function setUpPage() { 36 setUpPageStatus = 'running'; 37 try { 38 // 39 // creates test document builder, may throw exception 40 // 41 builder = createConfiguredBuilder(); 42 43 docsLoaded = 0; 44 45 var docRef = null; 46 if (typeof(this.doc) != 'undefined') { 47 docRef = this.doc; 48 } 49 docsLoaded += preload(docRef, "doc", "img"); 50 51 if (docsLoaded == 1) { 52 setUpPageStatus = 'complete'; 53 } 54 } catch(ex) { 55 catchInitializationError(builder, ex); 56 setUpPageStatus = 'complete'; 57 } 58} 59 60 61 62// 63// This method is called on the completion of 64// each asychronous load started in setUpTests. 65// 66// When every synchronous loaded document has completed, 67// the page status is changed which allows the 68// body of the test to be executed. 69function loadComplete() { 70 if (++docsLoaded == 1) { 71 setUpPageStatus = 'complete'; 72 } 73} 74 75 76/** 77* 78 The alt attribute specifies an alternative text for user agenst not 79 rendering the normal content of this element. 80 81 Retrieve the alt attribute and examine its value. 82 83* @author NIST 84* @author Mary Brady 85* @see http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-html#ID-95636861 86*/ 87function HTMLImageElement03() { 88 var success; 89 if(checkInitialization(builder, "HTMLImageElement03") != null) return; 90 var nodeList; 91 var testNode; 92 var valt; 93 var doc; 94 95 var docRef = null; 96 if (typeof(this.doc) != 'undefined') { 97 docRef = this.doc; 98 } 99 doc = load(docRef, "doc", "img"); 100 nodeList = doc.getElementsByTagName("img"); 101 assertSize("Asize",1,nodeList); 102testNode = nodeList.item(0); 103 valt = testNode.alt; 104 105 assertEquals("altLink","DTS IMAGE LOGO",valt); 106 107} 108 109 110 111 112function runTest() { 113 HTMLImageElement03(); 114} 115