blob: 6b22da182bb164912ab25b9a566e16ff6c6709de [file] [log] [blame]
<head>
<script>
function frameLoaded()
{
// create lots of objects to force a garbage collection
var i = 0;
var s;
while (i < 5000) {
i = i+1.11;
s = s + " ";
}
var output= document.getElementById("output");
output.innerHTML += spanB.customProperty + "<BR>";
output.innerHTML += spanB + "<BR>";
output.innerHTML += spanB.parentNode + "<BR>";
output.innerHTML += spanB.ownerDocument + "<BR>";
if (window.layoutTestController)
layoutTestController.notifyDone();
}
function doit()
{
var frame = document.getElementById("frame");
frameDoc = frame.contentDocument;
spanB = frame.contentDocument.getElementById("span-B");
spanB.customProperty = "B";
frame.onload = frameLoaded;
frame.src = 'about:blank'
}
if (window.layoutTestController) {
layoutTestController.waitUntilDone();
layoutTestController.dumpAsText();
}
</script>
</head>
<body onload="doit()">
<div style="border: 1px solid red">
<p>
This test verifies that objects are protected against garbage
collection as long as the document is alive (for contrast with test
6).
</p>
<p>
The output should be the following pieces of text on lines by
themselves: "B", "[object HTMLElement]", "[object HTMLElement]", "[object HTMLDocument]".
</p>
</div>
<div id="output">
</div>
<iframe id="frame" src='data:text/html,<div id="div"><span id="span-A"><span id="span-B"><span id="span-C">original span</span></span></span></div>'>
</body>