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<!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: sizing of orthogonal 'vertical-lr' block with 'auto' inline size inside definite-sized 'horizontal-tb' containing block</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
<link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#orthogonal-auto" />
<link rel="match" href="sizing-orthog-vlr-in-htb-009-ref.xht" />
<meta name="DC.date.created" content="2016-10-04T09:54:03+11:00" scheme="W3CDTF" />
<meta name="DC.date.modified" content="2017-01-08T09:54:03+11:00" scheme="W3CDTF" />
<meta name="assert" content="In this test, the inline size of the orthogonal block is 'auto' and its containing block's block size is '400px'. Since the height of the containing block is definite in this test, then constrain is the height of such containing block which is, in this test, 400px. This test presumes that the initial containing block's height is greater than 400px. In this test, the max-content will be smaller than the height of the containing block. Therefore the inline size of div#ortho-block-vlr will be its max-content." />
<!--
shrink-to-fit formula min(max-content, max(min-content, constraint))
max-content inline size: narrowest inline size needed to fit its contents
if none of the soft wrap opportunities within the box were taken. Eg:
max-content of "I am a text sentence." is "I am a text sentence."
https://www.w3.org/TR/css-sizing-3/#max-content-inline-size
min-content inline size of the box: longest word in a sentence or longest non-breakable
inline box (inline replaced or inline-block). Eg: min-content of "I am a text sentence."
is "sentence."
https://www.w3.org/TR/css-sizing-3/#min-content-inline-size
contraint: min(available space, initial containing block's size)
available space: this is either a measurement of its containing block
(if that is definite) or an infinite size (when it is indefinite).
https://drafts.csswg.org/css-sizing-4/#available
- - - - - - - - - - - - -
Inside this batch of 24 sizing-orthog-vlr-in-htb tests:
001-012 : body has 100px margin-top and 100px margin-bottom
013-024 : body has no vertical margins
Inside each sub-batch of 12 tests:
001-006: containing block's height is 'auto' therefore indefinite
007-012: containing block's height is 400px therefore definite
Inside each sub-sub-batch of 6 tests:
001-003: containing block has 1 sentence before and after
004-006: containing block has no sentence before and no sentence after
Inside each sub-sub-sub-batch of 3 tests:
001: orthogonal block's height is 'auto'
002: orthogonal block's height is 'auto' and its min-content
inline size is greater than containing-block's (definite) height (1 very long word)
003: orthogonal block's height is 'auto' its max-content inline-size
is smaller than containing-block's height (short sentence)
-->
<style type="text/css"><![CDATA[
body
{
font-size: 16px;
line-height: 1.25; /* therefore, each line box is 20px tall */
margin-bottom: 100px;
margin-top: 100px;
/* Nota bene: margin-top of p#sentence-before will collapse with body's margin-top */
}
div#sized-400px-htb-containing-block
{
height: 400px;
}
div#ortho-block-vlr
{
border: blue solid 3px;
height: auto;
writing-mode: vertical-lr;
}
]]></style>
</head>
<body>
<div id="sized-400px-htb-containing-block">
<p id="sentence-before">Sentence before.</p>
<div id="ortho-block-vlr">123456789012345</div>
<p id="sentence-after">Sentence after.</p>
</div>
</body>
</html>
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