LayoutTests/fast/dom/coreDOM-element-attribute-js-null.xhtml

   1 <html xmlns="http://www.w3.org/1999/xhtml">
   2 <head>
   3     <style type="text/css">
   4         .pass { color: green; }
   5         .fail { color: red; }
   6     </style>
   7     <script type="text/javascript" charset="utf-8">
   8         function printOut(msg)
   9         {
  10             var console = document.getElementById("console");
  11             var span = document.createElementNS('http://www.w3.org/1999/xhtml', 'span');
  12             // span.innerHTML = msg + "<br />";
  13             span.appendChild(document.createTextNode(msg));
  14             span.appendChild(document.createElementNS('http://www.w3.org/1999/xhtml', 'br'));
  15             console.appendChild(span);
  16         }
  17
  18         function resultStringifier(result)
  19         {
  20             if (result === "")
  21                 return "the empty string";
  22             else if (result === undefined)
  23                 return "undefined";
  24             else if (result === null)
  25                 return "null";
  26             return "the string '" + result + "'";
  27         }
  28
  29         function nullTestElementAttribute(elementType, element, attr, expected)
  30         {
  31             element[attr] = null;
  32
  33             var result;
  34             if (element[attr] === expected)
  35                 result = "TEST SUCCEEDED: The value was " + resultStringifier(expected) + ".";
  36             else
  37                 result = "TEST FAILED: The value should have been " + resultStringifier(expected) + " but was " + resultStringifier(element[attr]) + ".";
  38
  39             result += " [tested " + elementType + "." + attr + "]";
  40             printOut(result);
  41         }
  42
  43         function runTests()
  44         {
  45             if (window.layoutTestController)
  46                 layoutTestController.dumpAsText();
  47
  48             var listing = [
  49                 {
  50                     type: 'Attr',
  51                     elementToUse: document.createAttributeNS('http://www.w3.org/1999/xhtml','anAttribute'),
  52                     attributes: [
  53                         {name: 'value', expectedNull: null}
  54                     ]
  55                 },
  56                 {
  57                     type: 'ProcessingInstruction',
  58                     elementToUse: document.createProcessingInstruction('target', 'data'),
  59                     attributes: [
  60                         {name: 'data', expectedNull: null}
  61                     ]
  62                 },
  63                 {
  64                     type: 'CharacterData',
  65                     elementToUse: document.createTextNode('text'),
  66                     attributes: [
  67                         {name: 'data', expectedNull: ''}
  68                     ]
  69                 }
  70             ];
  71
  72             for (element in listing) {
  73                 var type = listing[element].type;
  74                 var elementToUse = listing[element].elementToUse;
  75                 var attrs = listing[element].attributes;
  76                 for (attr in attrs) {
  77                     nullTestElementAttribute(type, elementToUse, attrs[attr].name, attrs[attr].expectedNull);
  78                 }
  79                 printOut('');
  80             }
  81         }
  82
  83     </script>
  84 </head>
  85
  86 <body onload="runTests();">
  87     <p>This test setting various attributes of a elements to JavaScript null.</p>
  88     <div id="console"></div>
  89 </body>
  90 </html>