LayoutTests/editing/undo/undo-after-event-edited.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <style>
 * { display:block; }
 .collapse { visibility:collapse; }
 </style>
 <script>

 if (window.testRunner) {
     window.testRunner.dumpAsText();
     window.testRunner.waitUntilDone();
 }

 document.designMode = "on";
 var scriptElements = document.getElementsByTagName("script");
 scriptElements[0].parentNode.removeChild(scriptElements[0]);
 var eventHandlerActive = false;

 document.addEventListener("input", function () {
     if (eventHandlerActive)
         return;
     eventHandlerActive = true;
     var srcElement = event.srcElement;
     document.execCommand('InsertText',false,'dummy text');
     srcElement.textContent = "Pass. Test didn't crash.";
     eventHandlerActive = false;
     if (window.testRunner)
         testRunner.notifyDone();
 }, true);

 document.addEventListener("DOMCharacterDataModified", function () {
     document.execCommand('InsertParagraph',false,false);
 }, false);

 window.addEventListener("load", function() {
   document.execCommand("SelectAll", false)
   var documentFragment = getSelection().getRangeAt(0).extractContents();
   document.execCommand('Undo', false);
 });

 </script>
 </head>
 <body>
 <table class="collapse">
 <caption>
 original text
 </caption>
 </table>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<style>
	* { display:block; }
	.collapse { visibility:collapse; }
	</style>
	<script>

	if (window.testRunner) {
	window.testRunner.dumpAsText();
	window.testRunner.waitUntilDone();
	}

	document.designMode = "on";
	var scriptElements = document.getElementsByTagName("script");
	scriptElements[0].parentNode.removeChild(scriptElements[0]);
	var eventHandlerActive = false;

	document.addEventListener("input", function () {
	if (eventHandlerActive)
	return;
	eventHandlerActive = true;
	var srcElement = event.srcElement;
	document.execCommand('InsertText',false,'dummy text');
	srcElement.textContent = "Pass. Test didn't crash.";
	eventHandlerActive = false;
	if (window.testRunner)
	testRunner.notifyDone();
	}, true);

	document.addEventListener("DOMCharacterDataModified", function () {
	document.execCommand('InsertParagraph',false,false);
	}, false);

	window.addEventListener("load", function() {
	document.execCommand("SelectAll", false)
	var documentFragment = getSelection().getRangeAt(0).extractContents();
	document.execCommand('Undo', false);
	});

	</script>
	</head>
	<body>
	<table class="collapse">
	<caption>
	original text
	</caption>
	</table>
	</body>
	</html>