dom/bindings/test/test_lookupGetter.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=462428
   5 -->
   6 <head>
   7   <title>Test for Bug 462428</title>
   8   <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
   9   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  10 </head>
  11 <body>
  12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=462428">Mozilla Bug 462428</a>
  13 <p id="display"></p>
  14 <div id="content" style="display: none">
  15
  16 </div>
  17 <pre id="test">
  18 <script type="application/javascript">
  19
  20 /** Test for Bug 462428 **/
  21 var x = new XMLHttpRequest;
  22 x.open("GET", "");
  23 var getter = x.__lookupGetter__('readyState');
  24 ok(getter !== undefined, "But able to look it up the normal way");
  25 ok(!x.hasOwnProperty('readyState'), "property should still be on the prototype");
  26
  27 var sawProp = false;
  28 for (var i in x) {
  29     if (i === "readyState") {
  30         sawProp = true;
  31     }
  32 }
  33
  34 ok(sawProp, "property should be enumerable");
  35
  36 is(getter.call(x), 1, "the getter actually works");
  37
  38 Object.getPrototypeOf(x).__defineSetter__('readyState', function() {});
  39 is(getter.call(x), 1, "the getter works after defineSetter");
  40
  41 is(x.responseType, "", "Should have correct responseType up front");
  42 var setter = x.__lookupSetter__('responseType');
  43 setter.call(x, "document");
  44 is(x.responseType, "document", "the setter is bound correctly");
  45
  46 </script>
  47 </pre>
  48 </body>
  49 </html>