<!DOCTYPE html>
<html>
<head>
<style>
.floating {
    width: 40px;
    height: 10px;
    border: 1px solid blue;
}

.container { 
    width: 150px;
}
</style>
<script>
if (window.internals)
    internals.settings.setSimpleLineLayoutEnabled(false);
</script>
</head>
<body>
<div class=container>
  <div class=floating style="float: left"></div>
  <div class=floating style="float: right; clear: left"></div>
  <div>Pass if "this" wraps to the second line.</div>
</div>
</body>
</html>