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<!DOCTYPE html>
<meta charset="utf-8">
<title>Testing Available Space in Orthogonal Flows / height / content height</title>
<link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/">
<link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#orthogonal-auto">
<link rel="match" href="reference/available-size-001-ref.html">
<meta name="assert" content="When an orthogonal flow's parent doesn't have a definite block size and the nearest ancestor scroller does have a fixed height, use that, making sure you stick with the content height.">
<style>
#scroller {
font-family: monospace; /* to be able to reliably measure things in ch*/
font-size: 20px;
height: 8ch;
width: 300px; /* Shrinkwrapping this div is not what we're interested in testing here, so give it a width. See nested-orthogonal-001.html for that. */
overflow: hidden;
color: transparent;
position: relative; /* to act as a container of #red */
padding: 1ch 0;
}
#parent { padding-bottom: 2ch; } /* so that the content height of the parent and of the fixed size scrolling ancestor are different */
#ortho { writing-mode: vertical-rl; }
span {
background: green;
display: inline-block; /* This should not change it's size or position, but makes the size of the background predictable*/
}
#red { /* Not necessary when when comparing to the reference, but makes human judgement easier */
position: absolute;
background: red;
left: 0; top: 1ch;
writing-mode: vertical-rl;
z-index: -1;
}
</style>
<p>Test passes if there is a <strong>green rectangle</strong> below and <strong>no red</strong>.
<div id=scroller>
<aside id=red>0</aside>
<div id=parent>
<div id=ortho>0 0 0 0 <span>0</span> 0 0 0</div>
<!-- If this div take its height from the height of its scrollable ancestor,
it should wrap just right for the green 0 to overlap with the red one. -->
</div>
</div>
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