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Diffstat (limited to 'testing/web-platform/tests/css/CSS2/positioning/absolute-non-replaced-width-004.xht')
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diff --git a/testing/web-platform/tests/css/CSS2/positioning/absolute-non-replaced-width-004.xht b/testing/web-platform/tests/css/CSS2/positioning/absolute-non-replaced-width-004.xht new file mode 100644 index 0000000000..2f2b90708e --- /dev/null +++ b/testing/web-platform/tests/css/CSS2/positioning/absolute-non-replaced-width-004.xht @@ -0,0 +1,65 @@ +<!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 Test: Absolutely positioned non-replaced elements when both 'margin-left' and 'margin-right' are set to 'auto' and direction is left-to-right</title> + <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> + <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-08-31 --> + <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width" /> + <link rel="match" href="absolute-non-replaced-width-002-ref.xht" /> + + <meta name="flags" content="ahem" /> + <meta name="assert" content="When direction is 'ltr' and 'left', 'width' and 'right' are not 'auto', solve for 'margin-right' and 'margin-left' to equal values. If this would make 'margin-left' and 'margin-right' negative, then set 'margin-left' to zero and solve for 'margin-right'." /> + <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> + <style type="text/css"> + #div1 + { + border: solid black; + direction: ltr; + height: 200px; + position: relative; + width: 200px; + } + div div + { + background: red; + color: blue; + font: 100px/1em Ahem; + left: 100px; + margin-left: auto; + margin-right: auto; + position: absolute; + right: 100px; + width: 100px; + } + /* + left : 100px + + margin-left : solve (auto) + + border-left-width : 0 + + padding-left : 0 + + width : 100px + + padding-right : 0 + + border-right-width : 0 + + margin-right : solve (auto) + + right : 100px + ==================================== + width of containing block : 200px + + So, margin-left and margin-right would be each -50px at this point. + + "...unless this would make them (the two margins) negative + in which case when direction of the containing block is + 'ltr' ('rtl'), set 'margin-left' ('margin-right') to zero and + solve for 'margin-right' ('margin-left')." + + So, under such extra constraint, 'margin-left' must become 0 + and 'margin-right' must become -100px. + */ + </style> + </head> + <body> + <p>Test passes if a filled blue square is in the <strong>upper-right corner</strong> of an hollow black square and if there is <strong>no red</strong>.</p> + <div id="div1"> + <div>X</div> + </div> + </body> +</html> |