chromium/third_party/blink/web_tests/external/wpt/dom/events/keypress-dispatch-crash.html

<!DOCTYPE html>
<link rel="author" title="Robert Flack" href="mailto:[email protected]">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1209098">

<!-- No crash should occur if a keypress is dispatched to a constructed document. -->

<script>
var newDoc = document.implementation.createDocument( "", null);
var testNode = newDoc.createElement('div');
newDoc.append(testNode);

var syntheticEvent = document.createEvent('KeyboardEvents');
syntheticEvent.initKeyboardEvent("keypress");
testNode.dispatchEvent(syntheticEvent)
</script>