Blitz - WPT: line-height-202.html

wpt / css / CSS2 / visudet / line-height-202.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS2 Line height test: baseline position when explicit sizing</title>
<link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net">
<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#line-height">
<link rel="match" href="reference/line-height-202-ref.html">
<meta name="assert" content="The position of the baseline in an inline-level box whose height is determined by a non-normal value of line-height
                             does not depend on fonts other than the first available font">
<style>
@font-face {
  font-family: 'high-a-only';
  font-style: normal;
  font-weight: 400;
  src:  url(/fonts/Revalia.woff) format('woff');
  unicode-range: U+0020, U+0061;
}
@font-face {
  font-family: 'deep-b-only';
  font-style: normal;
  font-weight: 400;
  src: url(/fonts/AD.woff) format('woff');
  unicode-range: U+0062;
}

div {
  position: absolute;
  line-height: 100px;
  font-size: 100px;
  width: 300px; /* plenty of room for the (invisible) text */
  text-align: right;
  color: transparent;
}
span { /* visible thing aligned to the baseline, and small enough to not influence its position */
  display: inline-block;
  width: 20px;
  height: 20px;

}

/* white #h is on top of red #hd,
   and the presence of a fallback font in #hd should not influence the position of the baseline,
   so #h should completely cover #hd,
   and no red should be visible. */
#hd { font-family: high-a-only, deep-b-only; }
#hd span { background: red; }

#h { font-family: high-a-only; }
#h span { background: white; }

</style>

<p>Test passes if there is <strong>no red</strong> below.

<div id=hd>ab<span></span></div>
<div id=h>aa<span></span></div>

/css/CSS2/visudet/reference/line-height-202-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Test Reference file</title>
<link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net">

<p>Test passes if there is <strong>no red</strong> below.