LayoutTests/scrollingcoordinator/ios/non-stable-viewport-scroll.html - WebKit - Git at Google

 <!DOCTYPE html> <!-- webkit-test-runner [ useFlexibleViewport=true ] -->

 <html>
 <head>
     <meta name="viewport" content="initial-scale=1.0">
     <style>
         body {
             height: 5000px;
             margin: 0;
         }

         .fixed {
             position: fixed;
             top: 0;
             left: 10px;
             height: 100%;
             width: 100px;
             background-color: blue;
         }
     </style>
     <script>
         if (window.testRunner) {
             testRunner.waitUntilDone();
             testRunner.dumpAsText();
         }

         function getUnstableScrollScript(x, y)
         {
             return `(function() {
                 uiController.stableStateOverride = false;
                 uiController.immediateZoomToScale(3);
                 uiController.immediateScrollToOffset(0, 3000);

                 uiController.doAfterPresentationUpdate(function() {
                     uiController.uiScriptComplete();
                 });

             })();`;
         }

         function doTest()
         {
             if (!testRunner.runUIScript)
                 return

             testRunner.runUIScript(getUnstableScrollScript(), function() {
                 document.getElementById('layers').textContent = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_VISIBLE_RECTS);
                 testRunner.notifyDone();
             });
         }

         window.addEventListener('load', doTest, false);
     </script>
 </head>
 <body>
 <div class="fixed">fixed</div>
 <pre id="layers"></pre>
 </body>
 </html>
	<!DOCTYPE html> <!-- webkit-test-runner [ useFlexibleViewport=true ] -->

	<html>
	<head>
	<meta name="viewport" content="initial-scale=1.0">
	<style>
	body {
	height: 5000px;
	margin: 0;
	}

	.fixed {
	position: fixed;
	top: 0;
	left: 10px;
	height: 100%;
	width: 100px;
	background-color: blue;
	}
	</style>
	<script>
	if (window.testRunner) {
	testRunner.waitUntilDone();
	testRunner.dumpAsText();
	}

	function getUnstableScrollScript(x, y)
	{
	return `(function() {
	uiController.stableStateOverride = false;
	uiController.immediateZoomToScale(3);
	uiController.immediateScrollToOffset(0, 3000);

	uiController.doAfterPresentationUpdate(function() {
	uiController.uiScriptComplete();
	});

	})();`;
	}

	function doTest()
	{
	if (!testRunner.runUIScript)
	return

	testRunner.runUIScript(getUnstableScrollScript(), function() {
	document.getElementById('layers').textContent = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_VISIBLE_RECTS);
	testRunner.notifyDone();
	});
	}

	window.addEventListener('load', doTest, false);
	</script>
	</head>
	<body>
	<div class="fixed">fixed</div>
	<pre id="layers"></pre>
	</body>
	</html>