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101 lines
No EOL
3.3 KiB
HTML
101 lines
No EOL
3.3 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<title>CSS Writing Modes Test: 'vertical-rl' and margin collapsing - absolute positioning and siblings</title>
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<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
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<link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#logical-direction-layout" title="7.4 Flow-Relative Mappings">
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<meta content="ahem image" name="flags">
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<meta name="assert" content="This test checks that absolutely positioned boxes do not collapse margins with siblings in 'vertical-rl' writing-mode.">
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<!--
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left static position for the div#abs-pos could be determined with margin collapse
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or without margin collapse; so there are 2 possible rendered layouts for such code
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2015-01-18
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Test adapted from
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http://test.csswg.org/suites/css2.1/nightly-unstable/html4/margin-collapse-012.htm
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"
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The margin collapsing rules apply exactly with the block-start margin substituted for the top margin and the block-end margin substituted for the bottom margin.
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"
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-->
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<style type="text/css">
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p
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{
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font: 16px/1.25 serif; /* computes to 16px/20px */
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}
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div#test
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{
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border: teal solid 1em;
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font: 25px/1 Ahem;
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height: 4em; /* computes to 100px */
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margin-bottom: 0.2em; /* computes to 5px */
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writing-mode: vertical-rl;
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}
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div#wrapper
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{
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background-color: orange;
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border-right: blue solid 1em;
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width: 3em;
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}
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div#wrapper > div
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{
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height: 4em;
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margin-right: 1em;
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}
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div#abs-pos
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{
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background-color: blue;
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position: absolute;
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top: 77px;
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/*
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16px : p's margin-top
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+ 20px : p's line box height
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+ 16px : p's margin-bottom
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+ 25px : div#test's border-top
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==========
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77px
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*/
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width: 1em;
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}
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div.ref
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{
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border: teal solid 1em;
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font: 25px/1 Ahem;
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height: 4em; /* computes to 100px */
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margin-bottom: 0.2em;
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width: 4em; /* and not 100px + 8px for #ref1 */
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}
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</style>
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</head>
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<body>
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<p>Test passes if the top square has a layout identical to one of the squares below it.</p>
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<div id="test">
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<div id="wrapper">
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<div id="widthless-static"></div>
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<div id="abs-pos"></div>
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</div>
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</div>
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<div class="ref" id="ref1"><img src="support/swatch-blue.png" width="25" height="100" alt="Image download support must be enabled"><img src="support/swatch-orange.png" width="25" height="100" alt="Image download support must be enabled"><img src="support/swatch-orange.png" width="25" height="100" alt="Image download support must be enabled"><!-- width is intentionally not 33 --><img src="support/swatch-blue.png" width="25" height="100" alt="Image download support must be enabled"></div>
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<div class="ref" id="ref2"><img src="support/swatch-orange.png" width="25" height="100" alt="Image download support must be enabled"><img src="support/swatch-blue.png" width="25" height="100" alt="Image download support must be enabled"><img src="support/swatch-orange.png" width="25" height="100" alt="Image download support must be enabled"><img src="support/swatch-blue.png" width="25" height="100" alt="Image download support must be enabled"></div>
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</body>
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</html> |