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<!DOCTYPE html>
<meta charset=utf-8>
<title>Document.createEvent</title>
<link rel=help href="https://dom.spec.whatwg.org/#dom-document-createevent">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="Document-createEvent.js"></script>
<div id="log"></div>
<script>
function testAlias(arg, iface) {
var ev;
test(function() {
ev = document.createEvent(arg);
assert_true(ev instanceof window[iface]);
assert_true(ev instanceof Event);
}, arg + " should be an alias for " + iface + ".");
test(function() {
assert_equals(ev.type, "",
"type should be initialized to the empty string");
assert_equals(ev.target, null,
"target should be initialized to null");
assert_equals(ev.currentTarget, null,
"currentTarget should be initialized to null");
assert_equals(ev.eventPhase, 0,
"eventPhase should be initialized to NONE (0)");
assert_equals(ev.bubbles, false,
"bubbles should be initialized to false");
assert_equals(ev.cancelable, false,
"cancelable should be initialized to false");
assert_equals(ev.defaultPrevented, false,
"defaultPrevented should be initialized to false");
assert_equals(ev.isTrusted, false,
"isTrusted should be initialized to false");
}, "createEvent('" + arg + "') should be initialized correctly.");
}
for (var alias in aliases) {
var iface = aliases[alias];
testAlias(alias, iface);
testAlias(alias.toLowerCase(), iface);
testAlias(alias.toUpperCase(), iface);
if (alias[alias.length - 1] != "s") {
var plural = alias + "s";
if (!(plural in aliases)) {
test(function () {
assert_throws("NOT_SUPPORTED_ERR", function () {
var evt = document.createEvent(plural);
});
}, 'Should throw NOT_SUPPORTED_ERR for pluralized legacy event interface "' + plural + '"');
}
}
}
test(function() {
assert_throws("NOT_SUPPORTED_ERR", function() {
var evt = document.createEvent("foo");
});
assert_throws("NOT_SUPPORTED_ERR", function() {
// 'LATIN CAPITAL LETTER I WITH DOT ABOVE' (U+0130)
var evt = document.createEvent("U\u0130Event");
});
assert_throws("NOT_SUPPORTED_ERR", function() {
// 'LATIN SMALL LETTER DOTLESS I' (U+0131)
var evt = document.createEvent("U\u0131Event");
});
}, "Should throw NOT_SUPPORTED_ERR for unrecognized arguments");
/*
* The following are event interfaces which do actually exist, but must still
* throw since they're absent from the table in the spec for
* document.createEvent(). This list is not exhaustive, but includes all
* interfaces that it is known some UA does or did not throw for.
*/
var someNonCreateableEvents = [
"AnimationPlaybackEvent",
"AnimationPlayerEvent",
"ApplicationCacheErrorEvent",
"AudioProcessingEvent",
"AutocompleteErrorEvent",
"BeforeInstallPromptEvent",
"BlobEvent",
"ClipboardEvent",
"CommandEvent",
"DataContainerEvent",
"DeviceLightEvent",
"ExtendableEvent",
"ExtendableMessageEvent",
"FetchEvent",
"FontFaceSetLoadEvent",
"GamepadEvent",
"GeofencingEvent",
"InstallEvent",
"KeyEvent",
"MIDIConnectionEvent",
"MIDIMessageEvent",
"MediaEncryptedEvent",
"MediaKeyEvent",
"MediaKeyMessageEvent",
"MediaQueryListEvent",
"MediaStreamEvent",
"MediaStreamTrackEvent",
"MouseScrollEvent",
"MutationEvent",
"NotificationEvent",
"NotifyPaintEvent",
"OfflineAudioCompletionEvent",
"OrientationEvent",
"PageTransition", // Yes, with no "Event"
"PointerEvent",
"PopUpEvent",
"PresentationConnectionAvailableEvent",
"PresentationConnectionCloseEvent",
"PromiseRejectionEvent",
"PushEvent",
"RTCDTMFToneChangeEvent",
"RTCDataChannelEvent",
"RTCIceCandidateEvent",
"RelatedEvent",
"ResourceProgressEvent",
"SVGEvent",
"ScrollAreaEvent",
"SecurityPolicyViolationEvent",
"ServicePortConnectEvent",
"ServiceWorkerMessageEvent",
"SimpleGestureEvent",
"SpeechRecognitionError",
"SpeechRecognitionEvent",
"SpeechSynthesisEvent",
"SyncEvent",
"TimeEvent",
"WebKitAnimationEvent",
"WebKitTransitionEvent",
"XULCommandEvent",
];
someNonCreateableEvents.forEach(function (eventInterface) {
// SVGEvents is allowed, but not SVGEvent. Make sure we only test if it's
// not whitelisted.
if (!(eventInterface in aliases)) {
test(function () {
assert_throws("NOT_SUPPORTED_ERR", function () {
var evt = document.createEvent(eventInterface);
});
}, 'Should throw NOT_SUPPORTED_ERR for non-legacy event interface "' + eventInterface + '"');
}
if (!(eventInterface + "s" in aliases)) {
test(function () {
assert_throws("NOT_SUPPORTED_ERR", function () {
var evt = document.createEvent(eventInterface + "s");
});
}, 'Should throw NOT_SUPPORTED_ERR for pluralized non-legacy event interface "' + eventInterface + 's"');
}
});
</script>
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