third_party/WebKit/LayoutTests/fast/dom/Window/property-access-on-cached-properties-after-frame-removed-and-gced.html

   1 <html>
   2 <head>
   3 <script src="../../../resources/js-test.js"></script>
   4 <script src="resources/window-property-collector.js"></script>
   5 <script>
   6 var jsTestIsAsync = true;
   7
   8 var childWindow;
   9 var propertiesToVerify = [];
  10
  11 function insertExpectedResult(path, expected)
  12 {
  13     if (path.length < 2)
  14         return;
  15     var propertyDir = path.slice(0, -1).join('.');
  16     var cachedPropertyDir = "cached_" + propertyDir.replace('.', '_');
  17     window[cachedPropertyDir] = eval("childWindow." + propertyDir);
  18     propertiesToVerify.push({
  19         'property': ["window", cachedPropertyDir, path[path.length - 1]].join("."),
  20         'expected': expected,
  21     });
  22 }
  23
  24 function runTest()
  25 {
  26     description("Tests access of cached DOMWindow properties after the associated frame is removed from a web page and garbage collected. Test should not crash and properties should be set to sane defaults.");
  27     var frame = document.getElementById("frame");
  28     childWindow = frame.contentWindow;
  29     // Have expected results assume that the frame has been closed (=> window.closed = true.)
  30     collectProperties(true);
  31     frame.parentNode.removeChild(frame);
  32     asyncGC(function () {
  33         for (var i = 0; i < propertiesToVerify.length; ++i)
  34             shouldBe(propertiesToVerify[i].property, propertiesToVerify[i].expected);
  35         finishJSTest();
  36     });
  37 }
  38 </script>
  39 </head>
  40 <body>
  41 <iframe id="frame" src="about:blank" onload="runTest()"></iframe>
  42 </body>
  43 </html>