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      1 
      2 /*
      3 Copyright  2001-2004 World Wide Web Consortium, 
      4 (Massachusetts Institute of Technology, European Research Consortium 
      5 for Informatics and Mathematics, Keio University). All 
      6 Rights Reserved. This work is distributed under the W3C Software License [1] in the 
      7 hope that it will be useful, but WITHOUT ANY WARRANTY; without even 
      8 the 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     */
     19 function getTargetURI() {
     20       return "http://www.w3.org/2001/DOM-Test-Suite/level2/html/HTMLImageElement03";
     21    }
     22 
     23 var docsLoaded = -1000000;
     24 var 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 //
     35 function 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.
     69 function 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 */
     87 function 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);
    102 testNode = nodeList.item(0);
    103       valt = testNode.alt;
    104 
    105       assertEquals("altLink","DTS IMAGE LOGO",valt);
    106        
    107 }
    108 
    109 
    110 
    111 
    112 function runTest() {
    113    HTMLImageElement03();
    114 }
    115