absolute-replaced-height-021

Absolute replaced elements with percentage based intrinsic height that cannot be resolved where 'top' and 'bottom' are not 'auto'

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Assertion
An absolutely positioned replaced element with a percentage height that cannot be resolved has no intrinsic height.

Source

 1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 2 <html>
 3     <head>
 4         <title>CSS Test: Absolute replaced elements with percentage based intrinsic height that cannot be resolved where 'top' and 'bottom' are not 'auto'</title>
 5         <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
 6         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-replaced-height">
 7         <meta name="flags" content="">
 8         <meta name="assert" content="An absolutely positioned replaced element with a percentage height that cannot be resolved has no intrinsic height.">
 9         <style type="text/css">
10             #div1
11             {
12                 position: relative;
13             }
14             div div
15             {
16                 border: solid green;
17                 position: absolute;
18                 top: 1in;
19                 width: 300px;
20             }
21             iframe
22             {
23                 border: solid red;
24                 bottom: 1in;
25                 position: absolute;
26                 top: 1in;
27                 width: auto;
28             }
29         </style>
30     </head>
31     <body>
32         <p>Test passes if there is no red visible on the page.</p>
33         <div id="div1">
34             <iframe height="50%"></iframe>
35             <div></div>
36         </div>
37     </body>
38 </html>