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diff --git a/layout/reftests/writing-mode/abspos/s71-abs-pos-non-replaced-vrl-004.xht b/layout/reftests/writing-mode/abspos/s71-abs-pos-non-replaced-vrl-004.xht new file mode 100644 index 000000000..a261ae81a --- /dev/null +++ b/layout/reftests/writing-mode/abspos/s71-abs-pos-non-replaced-vrl-004.xht @@ -0,0 +1,112 @@ +<!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: absolutely positioned non-replaced element - 'direction: ltr' and 'left', 'width' and 'right' are 'auto'</title> + + <link rel="author" title="Gérard 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="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements" /> + <link rel="match" href="s71-abs-pos-non-replaced-vrl-004-ref.xht" /> + + <meta name="flags" content="ahem image" /> + <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are 'auto', then set 'left' to the static position, the width becomes shrink-to-fit and then solve for 'right'." /> + + <link type="text/css" rel="stylesheet" href="support/ahem.css" /> + + <style type="text/css"><![CDATA[ + div#containing-block + { + background: red url("support/bg-red-3col-2row-320x320.png"); + color: transparent; + direction: ltr; + font: 80px/1 Ahem; + height: 320px; + position: relative; + width: 320px; + } + + div#containing-block > span + { + background-color: red; + color: green; + left: auto; + position: absolute; + right: auto; + width: auto; + -ah-writing-mode: vertical-rl; + -webkit-writing-mode: vertical-rl; + writing-mode: tb-rl; /* IE11 */ + writing-mode: vertical-rl; + } + +/* +" +If all three of 'left', 'width', and 'right' are 'auto': First set any 'auto' values for 'margin-left' and 'margin-right' to 0. Then, if the 'direction' property of the element establishing the static-position containing block is 'ltr' set 'left' to the static position and apply rule number three below; otherwise, set 'right' to the static position and apply rule number one below. + +3. 'width' and 'right' are 'auto' and 'left' is not 'auto', then the width is shrink-to-fit . Then solve for 'right' +" + +'left' + 'margin-left' + 'border-left-width' + 'padding-left' + 'width' + 'padding-right' + 'border-right-width' + 'margin-right' + 'right' = width of containing block + +So: + + 160px : left: auto: set to static position + + + 0px : margin-left + + + 0px : border-left-width + + + 0px : padding-left + + + (shrink-to-fit) : width: auto + + + 0px : padding-right + + + 0px : border-right-width + + + 0px : margin-right + + + (solve) : right: auto + ===================== + 320px : width of containing block + +gives us: + + 160px : left: auto: set to static position + + + 0px : margin-left + + + 0px : border-left-width + + + 0px : padding-left + + + 80px : (shrink-to-fit) : width: auto + + + 0px : padding-right + + + 0px : border-right-width + + + 0px : margin-right + + + (solve) : right: auto + ===================== + 320px : width of containing block + +And so computed right value must be 80px . +*/ + + ]]></style> + + </head> + + <body> + + <p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="36" alt="Image download support must be enabled" /></p> + + <div id="containing-block">1 2 34<span>X</span></div> + + </body> +</html>
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