gecko-dev/dom/tests/mochitest/chrome/test_indexedSetter.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=715156
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 715156</title>
<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
<script type="application/javascript">
/** Test for Bug 715156 **/
function runTests() {
var doc = document.getElementById("testFrame").contentDocument;
var options = doc.createElement("select").options;
ok(Components.utils.isXrayWrapper(options), "should be an Xray wrapper");
var option = doc.createElement("option");
options[4] = option;
is(options.length, 5, "setting an indexed property through an Xray wrapper should work")
is(options[4], option, "setting an indexed property through an Xray wrapper should work")
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(runTests);
</script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=715156">Mozilla Bug 715156</a>
<p id="display"></p>
<iframe id="testFrame"></iframe>
<pre id="test">
</pre>
</body>
</html>