LayoutTests/media/video-supports-fullscreen.html - WebKit - Git at Google

 <!doctype html>
 <html>
 <head>
     <script src=media-file.js></script>
     <script src=video-test.js></script>
     <script>
         window.addEventListener('load', async evt => {

             if (!window.internals) {
                 failTest("This test requires internals.")
                 return;
             }

 let hack = internals.nowPlayingState;

             findMediaElement();

             video.src = findMediaFile("video", "content/test");

             await waitFor(video, 'loadedmetadata');

             run("internals.settings.setFullScreenEnabled(false)");
             testExpected("video.webkitSupportsFullscreen", false);

             run("internals.settings.setFullScreenEnabled(true)");
             testExpected("video.webkitSupportsFullscreen", true);

             endTest();
         }, { once: true });

     </script>
 </head>
 <body>
     <video controls playsinline></video>
     <p>Test that video.webkitSupportsFullscreen returns false unless the setting is enbled.</p>
 </body>
 </html>
	<!doctype html>
	<html>
	<head>
	<script src=media-file.js></script>
	<script src=video-test.js></script>
	<script>
	window.addEventListener('load', async evt => {

	if (!window.internals) {
	failTest("This test requires internals.")
	return;
	}

	let hack = internals.nowPlayingState;

	findMediaElement();

	video.src = findMediaFile("video", "content/test");

	await waitFor(video, 'loadedmetadata');

	run("internals.settings.setFullScreenEnabled(false)");
	testExpected("video.webkitSupportsFullscreen", false);

	run("internals.settings.setFullScreenEnabled(true)");
	testExpected("video.webkitSupportsFullscreen", true);

	endTest();
	}, { once: true });

	</script>
	</head>
	<body>
	<video controls playsinline></video>
	<p>Test that video.webkitSupportsFullscreen returns false unless the setting is enbled.</p>
	</body>
	</html>