<!DOCTYPEHTML>
<html>
<head>
<meta charset="utf-8">
<title>Redispatching test with PresShell</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="content"style="display: none"></div>
<pre id="test"></pre>
<button>click me!</button>
<script>
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(async () => {
/**
* We have same tests in Event-dispatch-redispatch.html of WPT. However,
* it does not send the event to the main process. Therefore the reported
* crash couldn't reproduce.
*/
await SpecialPowers.pushPrefEnv({set: [["test.events.async.enabled", true]]});
let button = document.querySelector("button");
try {
await promiseElementReadyForUserInput(button, window, info);
} catch (ex) {
ok(false, ex.message);
SimpleTest.finish();
return;
}
let mouseupEvent; button.addEventListener("mouseup", aNativeMouseUpEvent => {
ok(aNativeMouseUpEvent.isTrusted,"First mouseup event should be trusted");
mouseupEvent = aNativeMouseUpEvent;
try { button.dispatchEvent(aNativeMouseUpEvent);
ok(false, "Dispatching trusted mouseup event which is being dispatched should throw an exception");
} catch (e) {
is(e.name, "InvalidStateError", "Trusted mouseup event which is being dispatched shouldn't be able to be dispatched");
}
}, {once: true});
button.addEventListener("click", aNativeClickEvent => {
ok(aNativeClickEvent.isTrusted, "First click event should be trusted");
try { button.dispatchEvent(aNativeClickEvent);
ok(false, "Dispatching trusted click event which is being dispatched should throw an exception");
} catch (e) {
is(e.name, "InvalidStateError", "Trusted click event which is being dispatched shouldn't be able to be dispatched");
}
let mouseupEventFired = false; button.addEventListener("mouseup", aDispatchedMouseUpEvent => {
ok(!aDispatchedMouseUpEvent.isTrusted, "Redispatched mouseup event shouldn't be trusted");
mouseupEventFired = true;
}, {once: true});
function onClick(aNonDispatchedClickEvent) {
ok(false, "Redispatched mouseup event shouldn't cause dispatching another click event");
} button.addEventListener("click", onClick);
ok(mouseupEvent.isTrusted, "Received mouseup event should be trusted before redispatching from click event listener"); button.dispatchEvent(mouseupEvent);
ok(!mouseupEvent.isTrusted, "Received mouseup event shouldn't be trusted after redispatching");
ok(mouseupEventFired, "Redispatched mouseup event should've been received"); button.removeEventListener("click", onClick);
ok(aNativeClickEvent.isTrusted, "First click event should still be trusted even after redispatching mouseup event");
SimpleTest.finish();
}, {once: true});
synthesizeMouseAtCenter(button, {});
});
</script>
</body>
</html>
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.21 Sekunden
(vorverarbeitet am 2026-08-25)
¤
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