LayoutTests/performance-api/performance-observer-no-document-leak.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <script src="../resources/js-test-pre.js"></script>
 </head>
 <body>
 <iframe id="testFrame" src="resources/performance-observer-no-document-leak-frame.html"></iframe>
 <script>
 description("Tests that using PerformanceObserver does not cause the document to get leaked.");
 window.jsTestIsAsync = true;

 function documentShouldDie(documentIdentifier)
 {
     return new Promise(function(resolve, reject) {
         handle = setInterval(function() {
             gc();
             if (!internals.isDocumentAlive(documentIdentifier)) {
                 clearInterval(handle);
                 resolve();
             }
         }, 10);
     });
 }

 onload = function() {
     setTimeout(function() {
         let frameDocumentIdentifier = internals.documentIdentifier(testFrame.contentDocument);
         testFrame.remove();
         documentShouldDie(frameDocumentIdentifier).then(function() {
             testPassed("Document did not leak");
             finishJSTest();
         });
     }, 10);
 }
 </script>
 <script src="../resources/js-test-post.js"></script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<script src="../resources/js-test-pre.js"></script>
	</head>
	<body>
	<iframe id="testFrame" src="resources/performance-observer-no-document-leak-frame.html"></iframe>
	<script>
	description("Tests that using PerformanceObserver does not cause the document to get leaked.");
	window.jsTestIsAsync = true;

	function documentShouldDie(documentIdentifier)
	{
	return new Promise(function(resolve, reject) {
	handle = setInterval(function() {
	gc();
	if (!internals.isDocumentAlive(documentIdentifier)) {
	clearInterval(handle);
	resolve();
	}
	}, 10);
	});
	}

	onload = function() {
	setTimeout(function() {
	let frameDocumentIdentifier = internals.documentIdentifier(testFrame.contentDocument);
	testFrame.remove();
	documentShouldDie(frameDocumentIdentifier).then(function() {
	testPassed("Document did not leak");
	finishJSTest();
	});
	}, 10);
	}
	</script>
	<script src="../resources/js-test-post.js"></script>
	</body>
	</html>