LayoutTests/requestidlecallback/requestidlecallback-is-called.html - WebKit - Git at Google

 <!DOCTYPE html><!-- webkit-test-runner [ experimental:RequestIdleCallbackEnabled=true ] -->
 <html>
 <body>
 <script src="../resources/js-test.js"></script>
 <script>

 description('This tests that when requestIdleCallback is enabled, requestIdleCallback is eventaully called in the order.');

 jsTestIsAsync = true;

 requestIdleCallbackIsCalled = false;
 const iframe = document.createElement('iframe');
 const logs = [];

 iframe.onload = () => {
     requestIdleCallback(() => {
         requestIdleCallbackIsCalled = true;
         logs.push('1.A1');
     });

     iframe.contentWindow.requestIdleCallback(() => {
         requestIdleCallbackIsCalled = true;
         logs.push('2.B1');
     });

     iframe.contentWindow.requestIdleCallback(() => {
         requestIdleCallbackIsCalled = true;
         logs.push('3.B2');
     });

     requestIdleCallback(() => {
         requestIdleCallbackIsCalled = true;
         logs.push('4.A2');
     });
 }
 document.body.appendChild(iframe);

 setTimeout(() => {
     shouldBeTrue('requestIdleCallbackIsCalled');
     shouldBe('logs.length', '4');
     shouldBeEqualToString('logs.join(", ")', '1.A1, 2.B1, 4.A2, 3.B2');
     finishJSTest();
 }, 200);

 </script>
 </body>
 </html>
	<!DOCTYPE html><!-- webkit-test-runner [ experimental:RequestIdleCallbackEnabled=true ] -->
	<html>
	<body>
	<script src="../resources/js-test.js"></script>
	<script>

	description('This tests that when requestIdleCallback is enabled, requestIdleCallback is eventaully called in the order.');

	jsTestIsAsync = true;

	requestIdleCallbackIsCalled = false;
	const iframe = document.createElement('iframe');
	const logs = [];

	iframe.onload = () => {
	requestIdleCallback(() => {
	requestIdleCallbackIsCalled = true;
	logs.push('1.A1');
	});

	iframe.contentWindow.requestIdleCallback(() => {
	requestIdleCallbackIsCalled = true;
	logs.push('2.B1');
	});

	iframe.contentWindow.requestIdleCallback(() => {
	requestIdleCallbackIsCalled = true;
	logs.push('3.B2');
	});

	requestIdleCallback(() => {
	requestIdleCallbackIsCalled = true;
	logs.push('4.A2');
	});
	}
	document.body.appendChild(iframe);

	setTimeout(() => {
	shouldBeTrue('requestIdleCallbackIsCalled');
	shouldBe('logs.length', '4');
	shouldBeEqualToString('logs.join(", ")', '1.A1, 2.B1, 4.A2, 3.B2');
	finishJSTest();
	}, 200);

	</script>
	</body>
	</html>