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<!DOCTYPE html>
<html>
<head>
<title>Test cancel event with preventDefault on keydown event for dialog element</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<link rel="help" href="https://bugs.webkit.org/show_bug.cgi?id=227534">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1322947">
</head>
<body>
<p>Test cancel event with preventDefault on keydown event for dialog element</p>
<dialog>
<p>Hello World</p>
</dialog>
<script>
setup({ single_test: true });
var hasCancelEventFired = false;
const dialog = document.querySelector("dialog");
const verify = () => {
assert_false(hasCancelEventFired, "cancel should not be fired");
assert_true(hasKeydownEventFired, "document level keydown event should be fired");
done();
};
dialog.addEventListener("cancel", function(event) {
hasCancelEventFired = true;
});
document.addEventListener("keydown", function(event) {
hasKeydownEventFired = true;
event.preventDefault();
step_timeout(function() {
verify();
}, 0);
});
dialog.showModal();
test_driver.send_keys(document.documentElement, "\uE00C"); // ESC key
</script>
</body>
</html>
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