float-clear-vrl-008.xht
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>CSS Writing Modes Test: 'float: right', 'float: left' and 'clear: both' in 'vertical-rl' block formating context (intermediate)</title>
<link rel="author" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
<link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#vertical-layout" title="7.1 Principles of Layout in Vertical Writing Modes" />
<link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
<meta content="image" name="flags" />
<meta content="This test checks that a block container box which has floats will not extend its logical height (it will appear to not be aware of its floats) unless it has a clearing block. This test is important for CSS columnar layout page based on floats." name="assert" />
<style type="text/css"><![CDATA[
div#wrapper
{
background: red url("support/pattern-rg-rg-100x100.png");
font-size: 50px;
height: 2em; /* computes to 100px */
width: 2em; /* computes to 100px */
writing-mode: vertical-rl;
}
div#container
{
border-left: green solid 1em;
width: auto; /* Very important: we want div#container to be able to shrink-wrap */
}
div#floated-left
{
float: left;
height: 50%; /* computes to 50px */
width: 1em; /* computes to 50px */
}
div#floated-right
{
float: right;
height: 50%; /* computes to 50px */
width: 1em; /* computes to 50px */
}
div#clearing
{
clear: both;
}
]]></style>
</head>
<body>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id="wrapper">
<div id="container">
<div id="floated-right"></div>
<div id="clearing"></div>
<div id="floated-left"></div>
</div>
</div>
</body>
</html>