58 lines
1.7 KiB
HTML
58 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<body>
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<script src="../../resources/js-test-pre.js"></script>
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<div class="testDiv"></div>
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<script>
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description("Tests that dispatchEvent raises INVALID_STATE_ERR if the event being dispatched is already being dispatched.");
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jsTestIsAsync = true;
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// try redispatching an event in the process of being dispatched with dispatchEvent
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function redispatchCustom(event) {
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shouldThrowErrorName("window.dispatchEvent(event)", "InvalidStateError");
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redispatchCustom.wasInvoked = true;
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}
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var customEvent = document.createEvent('CustomEvent');
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customEvent.initCustomEvent('foo', true, true, null);
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var p = document.querySelector('.testDiv');
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p.addEventListener('foo', redispatchCustom);
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p.dispatchEvent(customEvent);
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shouldBeTrue('redispatchCustom.wasInvoked');
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// try redispatching an event that has already finished being dispatched
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function checkCustom(event) {
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checkCustom.wasInvoked = true;
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}
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p.removeEventListener('foo', redispatchCustom, true);
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p.addEventListener('foo', checkCustom, true);
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p.dispatchEvent(customEvent);
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shouldBeTrue('checkCustom.wasInvoked');
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// try redispatching an event in the process of being dispatched by
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// the browser
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function redispatchLoad(event) {
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if (redispatchLoad.dispatching) {
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testFailed('dispatchEvent of an event being dispatched should not dispatch the event again');
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return;
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}
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redispatchLoad.dispatching = true;
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shouldThrowErrorName("document.dispatchEvent(event)", "InvalidStateError");
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delete redispatchLoad.dispatching;
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finishJSTest();
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}
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window.addEventListener('load', redispatchLoad, true);
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</script>
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<script src="../../resources/js-test-post.js"></script>
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</body>
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</html>
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