/*
Copyright © 2001-2004 World Wide Web Consortium, 
(Massachusetts Institute of Technology, European Research Consortium 
for Informatics and Mathematics, Keio University). All 
Rights Reserved. This work is distributed under the W3C® Software License [1] in the 
hope that it will be useful, but WITHOUT ANY WARRANTY; without even 
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 

[1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
*/



   /**
    *  Gets URI that identifies the test.
    *  @return uri identifier of test
    */
function getTargetURI() {
      return "http://www.w3.org/2001/DOM-Test-Suite/level2/html/HTMLTableElement19";
   }

var docsLoaded = -1000000;
var builder = null;

//
//   This function is called by the testing framework before
//      running the test suite.
//
//   If there are no configuration exceptions, asynchronous
//        document loading is started.  Otherwise, the status
//        is set to complete and the exception is immediately
//        raised when entering the body of the test.
//
function setUpPage() {
   setUpPageStatus = 'running';
   try {
     //
     //   creates test document builder, may throw exception
     //
     builder = createConfiguredBuilder();

      docsLoaded = 0;
      
      var docRef = null;
      if (typeof(this.doc) != 'undefined') {
        docRef = this.doc;
      }
      docsLoaded += preload(docRef, "doc", "table");
        
       if (docsLoaded == 1) {
          setUpPageStatus = 'complete';
       }
    } catch(ex) {
    	catchInitializationError(builder, ex);
        setUpPageStatus = 'complete';
    }
}



//
//   This method is called on the completion of 
//      each asychronous load started in setUpTests.
//
//   When every synchronous loaded document has completed,
//      the page status is changed which allows the
//      body of the test to be executed.
function loadComplete() {
    if (++docsLoaded == 1) {
        setUpPageStatus = 'complete';
    }
}


/**
* 
    The createTHead() method creates a table header row or returns
    an existing one.

    Create a new THEAD element on the first TABLE element.  The first
    TABLE element should return null to make sure one doesn't exist.
    After creation of the THEAD element the value is once again
    checked and should not be null.

* @author NIST
* @author Rick Rivello
* @see http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-html#ID-70313345
*/
function HTMLTableElement19() {
   var success;
    if(checkInitialization(builder, "HTMLTableElement19") != null) return;
    var nodeList;
      var testNode;
      var vsection1;
      var vsection2;
      var newHead;
      var doc;
      
      var docRef = null;
      if (typeof(this.doc) != 'undefined') {
        docRef = this.doc;
      }
      doc = load(docRef, "doc", "table");
      nodeList = doc.getElementsByTagName("table");
      assertSize("Asize",3,nodeList);
testNode = nodeList.item(0);
      vsection1 = testNode.tHead;

      assertNull("vsection1Id",vsection1);
    newHead = testNode.createTHead();
      vsection2 = testNode.tHead;

      assertNotNull("vsection2Id",vsection2);

}




function runTest() {
   HTMLTableElement19();
}