LayoutTests/fast/workers/worker-user-gesture.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <script src="../../resources/js-test.js"></script>
 <script src="../../resources/ui-helper.js"></script>
 </head>
 <body>
 <input id="testButton" type="button" value="Click me">
 <script>
 description("Test that we do not crash when timers fire on the worker thread while user gestures are happening.");
 jsTestIsAsync = true;

 var worker = new Worker('worker-user-gesture.js');

 let gestureCount = 0;

 function doUserGesture() {
     let inputElement = document.getElementById("testButton");
     let centerX = inputElement.offsetLeft + inputElement.offsetWidth / 2;
     let centerY = inputElement.offsetTop + inputElement.offsetHeight / 2;
     UIHelper.activateAt(centerX, centerY).then(function() {
         if (++gestureCount == 10) {
             finishJSTest();
             return;
         }
         setTimeout(doUserGesture, 0);
     });
 }

 setTimeout(doUserGesture, 0);
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<script src="../../resources/js-test.js"></script>
	<script src="../../resources/ui-helper.js"></script>
	</head>
	<body>
	<input id="testButton" type="button" value="Click me">
	<script>
	description("Test that we do not crash when timers fire on the worker thread while user gestures are happening.");
	jsTestIsAsync = true;

	var worker = new Worker('worker-user-gesture.js');

	let gestureCount = 0;

	function doUserGesture() {
	let inputElement = document.getElementById("testButton");
	let centerX = inputElement.offsetLeft + inputElement.offsetWidth / 2;
	let centerY = inputElement.offsetTop + inputElement.offsetHeight / 2;
	UIHelper.activateAt(centerX, centerY).then(function() {
	if (++gestureCount == 10) {
	finishJSTest();
	return;
	}
	setTimeout(doUserGesture, 0);
	});
	}

	setTimeout(doUserGesture, 0);
	</script>
	</body>
	</html>