LayoutTests/fast/dom/connected-subframe-counter-overflow.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <script src="../../resources/js-test.js"></script>
 </head>
 <body>
 <script>
 description('The connected subframe counter should not overflow and make `disconnectSubframes` leave active subframes in a detached DOM node.');
 jsTestIsAsync = true;

 const FRAME_COUNT = 1024;

 onload = () => {
     container = document.getElementById("testContainer");
     for (let i = 0; i < FRAME_COUNT; ++i) {
         setTimeout(() => {
             let frame = document.createElement('iframe');
             frame.style.display = 'none';
             container.appendChild(frame);
         }, 0);
     }

     setTimeout(() => {
         container.remove();

         shouldBeNull('container.firstChild.contentWindow');
         finishJSTest();
     }, 0);
 }
 </script>
 <div id="testContainer"></div>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<script src="../../resources/js-test.js"></script>
	</head>
	<body>
	<script>
	description('The connected subframe counter should not overflow and make `disconnectSubframes` leave active subframes in a detached DOM node.');
	jsTestIsAsync = true;

	const FRAME_COUNT = 1024;

	onload = () => {
	container = document.getElementById("testContainer");
	for (let i = 0; i < FRAME_COUNT; ++i) {
	setTimeout(() => {
	let frame = document.createElement('iframe');
	frame.style.display = 'none';
	container.appendChild(frame);
	}, 0);
	}

	setTimeout(() => {
	container.remove();

	shouldBeNull('container.firstChild.contentWindow');
	finishJSTest();
	}, 0);
	}
	</script>
	<div id="testContainer"></div>
	</body>
	</html>