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Diffstat (limited to 'testing/web-platform/tests/css/CSS2/margin-padding-clear/margin-em-inherit-001.xht')
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diff --git a/testing/web-platform/tests/css/CSS2/margin-padding-clear/margin-em-inherit-001.xht b/testing/web-platform/tests/css/CSS2/margin-padding-clear/margin-em-inherit-001.xht new file mode 100644 index 0000000000..57af6a5701 --- /dev/null +++ b/testing/web-platform/tests/css/CSS2/margin-padding-clear/margin-em-inherit-001.xht @@ -0,0 +1,97 @@ +<!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: inherit applied on margin set with em</title> + + <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> + <link rel="help" title="4.3.2 Length" href="http://www.w3.org/TR/CSS21/syndata.html#length-units" /> + <link rel="help" title="6.2.1 The 'inherit' value" href="http://www.w3.org/TR/CSS21/cascade.html#value-def-inherit" /> + <link rel="help" href="http://www.w3.org/TR/css-cascade-3/#inherit" /> + <link rel="help" href="http://www.w3.org/TR/css-cascade-4/#inherit" /> + <link rel="help" title="8.3 Margin properties" href="http://www.w3.org/TR/CSS21/box.html#margin-properties" /> + <link rel="match" href="margin-em-inherit-001-ref.xht" /> + + <meta content="The 'em' unit is equal to the computed value of the 'font-size' property of the element on which it is used. When inherit keyword is used, the property takes the same computed value - a length value in this testcase - as the property for the element's parent." name="assert" /> + <meta content="image" name="flags" /> + + <style type="text/css"><![CDATA[ + body {margin: 8px;} + + p + { + font: 1em/1.25 serif; + margin: 1em 0em; + } + + div#grand-parent {width: 600px;} + + div#parent + { + background-color: green; + border: white solid 6px; + /* + Such border prevents margin collapsing between + #parent's vertical margins and #child's vertical margins + */ + font-size: 28px; + margin: 2em 3em 1em 4em; /* 56px 84px 28px 112px */ + } + + div#child + { + font-size: 40px; + margin: inherit; + /* + What is inherited is a computed length value: so + it is 56px 84px 28px 112px and not 80px 120px 40px 160px + */ + } + + div#abs-pos-overlapping-green + { + left: 238px; + position: absolute; + top: 174px; + } + + /* + 8px (body's margin-left) + + 112px (#parent's margin-left) + + 6px (#parent's border-left) + + 112px (#child's margin-left) + ================== + 238px + */ + + /* + 16px (max(8px, 16px): body's margin-top collapses with p's margin-top) + + 20px (first line) + + 20px (second line) + + 56px (max(16px, 56px): p's margin-bottom collapses with #parent's margin-top) + + 6px (#parent's border-top) + + 56px (#child's margin-top) + ================== + 174px + */ + ]]></style> + + </head> + + <body> + + <p>Test passes if there is a filled green<br /> + rectangle and if there is no red.</p> + + <div id="grand-parent"> + <div id="parent"> + <div id="child"><img src="support/100x100-red.png" alt="Image download support must be enabled" /></div> + </div> + </div> + + <div id="abs-pos-overlapping-green"><img src="support/swatch-green.png" width="100" height="100" alt="Image download support must be enabled" /></div> + + </body> +</html> |