LayoutTests/compositing/geometry/limit-layer-bounds-opacity-transition.html - WebKit - Git at Google

 <!DOCTYPE html>

 <html>
   <style type="text/css" media="screen">
     .test {
       position: relative;
       top: -10px; /* overlap composited layer */
       width: 100px;
       height: 100px;
       background-color: white;
       text-indent: -10000px;
     }

     .compositing {
       width: 1px;
       height: 1px;
       -webkit-transform: translateZ(0);
     }

     #fading {
       opacity: 0;
       -webkit-transition: opacity 0.1s;
     }
   </style>
   <script type="text/javascript" charset="utf-8">
     if (window.testRunner) {
       testRunner.waitUntilDone();
       testRunner.dumpAsText();
     }

     function startFade()
     {
       // At the end of this fade we are interested in the size of .test in the layer dump.
       // It should be constrained to the size of the view, so not tiled.
       var fader = document.getElementById('fading');
       fader.addEventListener('webkitTransitionEnd', fadeDone, false);
       document.getElementById('fading').style.opacity = 1;
     }

     function fadeDone()
     {
       if (window.testRunner) {
           requestAnimationFrame(() => {
               document.getElementById('layers').innerText = window.internals.layerTreeAsText(document);
               testRunner.notifyDone();
           })
       }
     }
   </script>
 <head>
 </head>
 <body>

   <!-- Go into compositing. -->
   <div class="compositing"></div>

   <div class="test">
     Test
   </div>

   <div id="fading">
     Fader
   </div>

   <pre id="layers">Layer tree goes here in DRT</pre>
   <script>
     window.onload = startFade;
   </script>
 </body>
 </html>
	<!DOCTYPE html>

	<html>
	<style type="text/css" media="screen">
	.test {
	position: relative;
	top: -10px; /* overlap composited layer */
	width: 100px;
	height: 100px;
	background-color: white;
	text-indent: -10000px;
	}

	.compositing {
	width: 1px;
	height: 1px;
	-webkit-transform: translateZ(0);
	}

	#fading {
	opacity: 0;
	-webkit-transition: opacity 0.1s;
	}
	</style>
	<script type="text/javascript" charset="utf-8">
	if (window.testRunner) {
	testRunner.waitUntilDone();
	testRunner.dumpAsText();
	}

	function startFade()
	{
	// At the end of this fade we are interested in the size of .test in the layer dump.
	// It should be constrained to the size of the view, so not tiled.
	var fader = document.getElementById('fading');
	fader.addEventListener('webkitTransitionEnd', fadeDone, false);
	document.getElementById('fading').style.opacity = 1;
	}

	function fadeDone()
	{
	if (window.testRunner) {
	requestAnimationFrame(() => {
	document.getElementById('layers').innerText = window.internals.layerTreeAsText(document);
	testRunner.notifyDone();
	})
	}
	}
	</script>
	<head>
	</head>
	<body>

	<!-- Go into compositing. -->
	<div class="compositing"></div>

	<div class="test">
	Test
	</div>

	<div id="fading">
	Fader
	</div>

	<pre id="layers">Layer tree goes here in DRT</pre>
	<script>
	window.onload = startFade;
	</script>
	</body>
	</html>