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<!-- reftest-wait because it takes at least two changes of the transform style before it becomes active -->
<html class='reftest-wait'>
<head>
<script>
var changesLeft = 10;
function go() {
	window.setTimeout(changeit, 0);
}

function changeit() {
	var a = document.getElementById("a");
	a.style.transform = 'scale(' + (256.1 + Math.random()*0.01) + ')';

	if (changesLeft > 0) {
		--changesLeft;
		window.setTimeout(changeit, 50);
	}
	if (changesLeft == 0) {
		// 75-100ms is the timeout for expirty from the active layer tracker.
		// Increase the time between transform tweaks to 74ms to give the reftest the best
		// chance of running the mozafterpaint handler and checking that there are no more
		// paints pending so it can finish.
		window.setTimeout(changeit, 74);
		document.documentElement.classList.remove("reftest-wait");
	}
}
</script>
</head>
<body onload="go();">
<div id="a" style="width: 1px; height: 1px; position: absolute; left: 200px; top: 200px;">
	<img style="width: 1px; height: 1px;" src="repeatable-diagonal-gradient.png">
</div>
</body>
</html>