<!DOCTYPE html> <!-- webkit-test-runner [ internal:AsyncOverflowScrollingEnabled=true ] -->
<html>
<head>
	<title>Tests that we make a compositing layer for an abspost element inside something that paints into the scroller</title>
    <style>
	    .scroller {
	        overflow: scroll;
	        margin: 10px;
	        background-color: silver;
	        border: 1px solid black;
	        padding: 10px;
	        width: 200px;
	        height: 150px;
	    }

	    .stacking {
			border: 2px solid gray;
			padding: 20px;
	        opacity: 0.75;
	    }

	    .box {
	        width: 100px;
	        height: 100px;
			background-color: blue;
	    }
	
	    .absolute {
	        position: absolute;
	        left: 100px;
	    }

	    .scrolling-content {
	        height: 1000px;
	    }
    </style>
    <script>
	    if (window.testRunner)
	        testRunner.dumpAsText();

	    window.addEventListener('load', () => {
	        if (window.internals)
	            document.getElementById('scrollingTree').innerText = window.internals.scrollingStateTreeAsText() + "\n";
	    }, false);
    </script>
</head>
<body>
    <div class="container">
        <div class="scroller">
            <div class="scrolling-content">
                <div class="stacking">
                    <div class="absolute stationary box"></div>
                </div>
            </div>
        </div>
    </div>
<pre id="scrollingTree"></pre>
</body>
</html>