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diff --git a/testing/web-platform/tests/css/css-ui/text-overflow-013.html b/testing/web-platform/tests/css/css-ui/text-overflow-013.html new file mode 100644 index 0000000000..20c9a5c5ae --- /dev/null +++ b/testing/web-platform/tests/css/css-ui/text-overflow-013.html @@ -0,0 +1,48 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>CSS Basic User Interface Test: ellipsis and baseline alignement</title> +<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/"> +<link rel="help" href="http://www.w3.org/TR/css3-ui/#ellipsing-details"> +<link rel="match" href="reference/text-overflow-013-ref.html"> +<meta name="flags" content="ahem"> +<meta name="assert" content="The ellipsis is be baseline aligned with the block, even if the thing it replaces isn't."> +<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> +<style> +.test { + overflow: hidden; + text-overflow: ellipsis; + white-space: pre; + font: 100px/1 Ahem; + color: green; + + /* 2em width and starting with a space + because the handling of the ellipsis of the first character on the line is special, + and therefore we need to have the thing we want to test in non first position. + */ + width: 2em; +} +.red { + position: absolute; + z-index: -1; + width: 100px; + height: 100px; + background: red; + margin-left: 100px; /* moving right to skip the first 100x100 space that starts each line */ +} +span { + vertical-align: sub; + color: red; +} +</style> + +<p>Test passes if there are 3 filled green squares and <strong>no red</strong>.</p> +<div class="red"></div> +<div class=test> <span>xxxx<br><div class="red"></div> xxxx<br><div class="red"></div> xxxx</span> </div> +<!-- +There are 3 lines in the test div to make sure that the middle one only contains text from the span, not directly from the block, +guaranteeing that the ellipsis is taking its baseline from the block even when the block has no direct content on the line. + +The "red" divs for line 2 and 3 are descendants of the span so that they are placed based on their static position at the begining of each line. +The alternative, which would be to place them (vertically) with explicit offsets would require knowing +the precise height of the preceeding line boxes, which isn't reliable across UAs. +--> |