gecko-dev/dom/events/test/test_bug684208.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=684208
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 684208</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="application/javascript">
/** Test for Bug 684208 **/
function checkDispatchReturnValue(targetOrUndefined) {
var target = targetOrUndefined ? targetOrUndefined : self;
function createEvent() {
if ("MouseEvent" in this) {
return new MouseEvent("click", {cancelable: true});
}
return new Event("dummy", {cancelable: true});
}
function postSelfMessage(msg) {
try {
self.postMessage(msg);
} catch(ex) {
self.postMessage(msg, "*");
}
}
function passiveListener(e) {
e.target.removeEventListener(e.type, passiveListener);
}
var event = createEvent();
target.addEventListener(event.type, passiveListener);
postSelfMessage(target.dispatchEvent(event) == true);
function cancellingListener(e) {
e.target.removeEventListener(e.type, cancellingListener);
e.preventDefault();
}
event = createEvent();
target.addEventListener(event.type, cancellingListener);
postSelfMessage(target.dispatchEvent(event) == false);
}
function test() {
var expectedEvents = 6;
function messageHandler(e) {
ok(e.data, "All the dispatchEvent calls should pass.");
--expectedEvents;
if (!expectedEvents) {
window.onmessage = null;
window.worker.onmessage = null;
SimpleTest.finish();
}
}
window.onmessage = messageHandler;
checkDispatchReturnValue();
checkDispatchReturnValue(document.getElementById("link"));
window.worker =
new Worker(URL.createObjectURL(new Blob(["(" + checkDispatchReturnValue.toString() + ")();"])));
window.worker.onmessage = messageHandler;
}
SimpleTest.waitForExplicitFinish();
</script>
</head>
<body onload="test();">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=684208">Mozilla Bug 684208</a>
<p id="display"></p>
<div id="content" style="display: none">
<a id="link" href="#foo">foo</a>
</div>
<pre id="test">
</pre>
</body>
</html>