src/cobalt/black_box_tests/testdata/preload_launch_parameter.html - cobalt - Git at Google

 <!DOCTYPE html>

 <head>
   <title>Cobalt preload state visibility test</title>
   <script src='black_box_js_test_utils.js'></script>
 </head>

 <body>
   <h1>
     <span>ID element</span>
   </h1>
   <script>
     // In preload mode, visibility should be "prerender" and window/document
     // should not have focus.
     assertEqual("prerender", document.visibilityState);
     assertFalse(document.hasFocus());

     // Wait for visibility change to verify visibilityState and having focus.
     function handleVisibilityChange() {
       assertEqual("visible", document.visibilityState);
       assertTrue(document.hasFocus());
       // Ensure that the document URL still has the launch=preload parameter after becoming visible.
       assertTrue(document.URL.includes('?foo=bar&launch=preload') || document.URL.includes('?launch=preload'));
       document.removeEventListener("visibilitychange", handleVisibilityChange);
       onEndTest();
     }
     document.addEventListener("visibilitychange", handleVisibilityChange);

     console.log('document.URL == ' + document.URL);
     // Ensure that the document URL has the launch=preload parameter when preloading.
     assertTrue(document.URL.includes('?foo=bar&launch=preload') || document.URL.includes('?launch=preload'));

     setupFinished();
   </script>
 </body>
	<!DOCTYPE html>

	<head>
	<title>Cobalt preload state visibility test</title>
	<script src='black_box_js_test_utils.js'></script>
	</head>

	<body>
	<h1>
	<span>ID element</span>
	</h1>
	<script>
	// In preload mode, visibility should be "prerender" and window/document
	// should not have focus.
	assertEqual("prerender", document.visibilityState);
	assertFalse(document.hasFocus());

	// Wait for visibility change to verify visibilityState and having focus.
	function handleVisibilityChange() {
	assertEqual("visible", document.visibilityState);
	assertTrue(document.hasFocus());
	// Ensure that the document URL still has the launch=preload parameter after becoming visible.
	assertTrue(document.URL.includes('?foo=bar&launch=preload') \|\| document.URL.includes('?launch=preload'));
	document.removeEventListener("visibilitychange", handleVisibilityChange);
	onEndTest();
	}
	document.addEventListener("visibilitychange", handleVisibilityChange);

	console.log('document.URL == ' + document.URL);
	// Ensure that the document URL has the launch=preload parameter when preloading.
	assertTrue(document.URL.includes('?foo=bar&launch=preload') \|\| document.URL.includes('?launch=preload'));

	setupFinished();
	</script>
	</body>