<!DOCTYPE html>
<html>
<body onload="testScroll()">
<div style="width: 256px; height: 2096px; background-color: blue"></div> <!-- Dummy content to help make the page scrollable vertically. -->
<video src="non-existent.mov" style="width: 256px; height: 256px; background-color: yellow">
    <track src="non-existent.vtt" kind="captions"></track>
</video>

<div id="result">FAILED: Test did not run.</div>

<script>

if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

var result = document.getElementById("result");

result.innerHTML = "";

function testScroll () {
	result.innerHTML += (document.scrollingElement.scrollTop <= 0)? `PASS`: `FAILED: ${document.scrollingElement.scrollTop} > 0, the page scrolled automatically.`;

	testRunner.notifyDone();
}
</script>
</body>
</html>