<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=800">
<style>
html { font-size: 16px; }
body { width: 800px; margin: 0; overflow-y: hidden; }
</style>
<script src="resources/autosizingTest.js"></script>
</head>
<body>
<div style="max-height: 500px; float: left">
This text should not be autosized (its computed font-size should remain 16px), as autosizing usually causes text to wrap onto more lines, which might cause it to overflow the block's max-height (the float:left doesn't affect this).<br>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
</div>
<div style="max-height: 500px">
<div style="float: left">
<div>
This text should be autosized to 40px computed font-size, since the parent is float:left so the height is considered to be unconstrained (ancestors of the parent are ignored).<br>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
</div>
</div>
</div>
</body>
</html>