LayoutTests/highlight/highlight-world-leak.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <script src="../resources/js-test-pre.js"></script>
 <script src="../resources/gc.js"></script>
 <script>
 description("Tests that using Highlight does not cause the document to get leaked.");
 window.jsTestIsAsync = true;

 window.onload = function () {
     testDocumentIsNotLeaked(
         async function initAndRemove(frameCount)
         {
             let frames = await new Promise((resolve, reject) => {
                 let frames = [];
                 let counter = 0;
                 function onLoad() {
                     counter++;
                     if (counter == frameCount)
                         resolve(frames);
                 }
                 for (let i = 0; i < frameCount; ++i) {
                     let frame = document.createElement('iframe');
                     frame.src = "resources/highlight-frame.html";
                     frame.onload = onLoad;
                     document.body.appendChild(frame);
                     frames.push(frame);
                 }
             });
             let frameIdentifiers = [];
             for (let i = 0; i < frameCount; ++i) {
                 let frame = frames[i];
                 frameIdentifiers.push(internals.documentIdentifier(frame.contentDocument));
                 frame.remove();
             }
             nukeArray(frames);
             frames = null;
             return frameIdentifiers;
         }
     ).then(
         () => testPassed("Document did not leak"),
         (error) => testFailed(error.message)
     ).finally(finishJSTest);
 };

 </script>
 <script src="../resources/js-test-post.js"></script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<script src="../resources/js-test-pre.js"></script>
	<script src="../resources/gc.js"></script>
	<script>
	description("Tests that using Highlight does not cause the document to get leaked.");
	window.jsTestIsAsync = true;

	window.onload = function () {
	testDocumentIsNotLeaked(
	async function initAndRemove(frameCount)
	{
	let frames = await new Promise((resolve, reject) => {
	let frames = [];
	let counter = 0;
	function onLoad() {
	counter++;
	if (counter == frameCount)
	resolve(frames);
	}
	for (let i = 0; i < frameCount; ++i) {
	let frame = document.createElement('iframe');
	frame.src = "resources/highlight-frame.html";
	frame.onload = onLoad;
	document.body.appendChild(frame);
	frames.push(frame);
	}
	});
	let frameIdentifiers = [];
	for (let i = 0; i < frameCount; ++i) {
	let frame = frames[i];
	frameIdentifiers.push(internals.documentIdentifier(frame.contentDocument));
	frame.remove();
	}
	nukeArray(frames);
	frames = null;
	return frameIdentifiers;
	}
	).then(
	() => testPassed("Document did not leak"),
	(error) => testFailed(error.message)
	).finally(finishJSTest);
	};

	</script>
	<script src="../resources/js-test-post.js"></script>
	</body>
	</html>