third_party/blink/web_tests/fast/block/do-not-strip-anonymous-blocks-when-block-child-becomes-float-and-other-block-on-line.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <style>
     body {
         margin: 0;
         padding: 0;
     }
     #container {
         position: relative;
         background: #ccc;
         font: 20px Ahem;
     }
     #floater {
         float: none;
     }
 </style>
 <body>
     <p> When a block element becomes a float we should not strip anonymous blocks wrapping its inline siblings if there are other blocks on the line.</p>
     <div id="container">
         <strong></strong>
         <p></p>
         <dd id="floater"></dd>
         <br>
     </div>
     <script>
         document.body.offsetTop;
         document.getElementById('floater').style.float = 'right';
     </script>
 </body>
	<!DOCTYPE html>
	<style>
	body {
	margin: 0;
	padding: 0;
	}
	#container {
	position: relative;
	background: #ccc;
	font: 20px Ahem;
	}
	#floater {
	float: none;
	}
	</style>
	<body>
	<p> When a block element becomes a float we should not strip anonymous blocks wrapping its inline siblings if there are other blocks on the line.</p>
	<div id="container">
	<strong></strong>
	<p></p>
	<dd id="floater"></dd>
	<br>
	</div>
	<script>
	document.body.offsetTop;
	document.getElementById('floater').style.float = 'right';
	</script>
	</body>