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diff --git a/layout/reftests/w3c-css/received/css-multicol-1/multicol-nested-005.xht b/layout/reftests/w3c-css/received/css-multicol-1/multicol-nested-005.xht new file mode 100644 index 000000000..28b967564 --- /dev/null +++ b/layout/reftests/w3c-css/received/css-multicol-1/multicol-nested-005.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 Multi-column Layout Test: nested multi-columns and constrained dimensions</title> + <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" /> + <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-10 --> + <link rel="help" href="http://www.w3.org/TR/css3-multicol/#pseudo-algorithm" title="3.4 Pseudo-algorithm" /> + <link rel="match" href="multicol-nested-005-ref.xht" /> + <!-- + The original filename of this test was + multicol-inherit-005.xht + This test also serves as a conversion of + multicol-nested-001.xht + --> + <meta name="flags" content="ahem" /> + <meta name="assert" content="This test checks how the height of column boxes conditions the height of nested column boxes." /> +<style type="text/css"><![CDATA[ +@font-face { + font-family: Ahem; + src: url("../../../fonts/Ahem.ttf"); +} +]]></style> + <style type="text/css"><![CDATA[ + body > div + { + -moz-column-gap: 1em; + font: 1.25em/1 Ahem; + width: 41em; + } + + /* + + N == 3; + + W == max(0, (available-width - ((N - 1) * -moz-column-gap)) / N); + W == max(0, (41em - ((3 - 1) * 1em)) / 3); + W == max(0, (41em - (2 * 1em)) / 3); + W == max(0, (41em - 2em) / 3); + W == max(0, 39em / 3); + W == max(0, 13em); + W == 13em; + + The height of column rule depends on number of line boxes in + each outer column box which depends on number of line boxes + in each inner column box. So: + + 13em : width of each outer column box + - + 2em : horizontal margin of each div inside + ======= + 11em : width of each inner multi-column elements + + N == 3; + + W == max(0, (available-width - ((N - 1) * -moz-column-gap)) / N); + W == max(0, (11em - ((3 - 1) * 1em)) / 3); + W == max(0, (11em - (2 * 1em)) / 3); + W == max(0, (11em - 2em) / 3); + W == max(0, 9em / 3); + W == max(0, 3em); + W == 3em; + + So, each duo of 'a', 'm' and 'x' should fill one and only 1 line + box. There are 8 duos; therefore, the first 2 inner + column boxes should use 3 line boxes and the 3rd inner + column box should be using 2 line boxes. + + So, the height of the 2 blue column rules should be 60px. + + */ + + div + { + background-color: yellow; + color: black; + font-size: 1em; + margin: 1em; + orphans: 1; + widows: 1; + + -moz-column-count: 3; + } + + div > div:first-child {margin-top: 0;} + ]]></style> + </head> + + <body> + + <div> + <div> + aa aa + aa aa + aa aa + aa aa + </div> + <div> + mm mm + mm mm + mm mm + mm mm + </div> + <div> + xx xx + xx xx + xx xx + xx xx + </div> + </div> + + </body> +</html> |