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- This WPT test may be referenced by the following Test IDs:
- /css/css-fonts/font-size-adjust-010.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Fonts Test: font-size-adjust - two-value syntax - using 'ch-width' as the basis for adjustment</title>
<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
<link rel="help" title="2.6 Relative sizing: the font-size-adjust property"
<link rel="help" title="extend font-size-adjust to take a pair of values: <metric> <number>"
<meta name="assert" content="Test checks that font-size-adjust with the 'ch-width' metric works as expected">
<link rel="match" href="font-size-adjust-009-ref.html">
<style>
@font-face {
font-family: test;
src: url(/fonts/noto/noto-sans-v8-latin-regular.woff);
/* this font has a 'zero' width (and therefore 'ch' unit) of 1128/2048 units */
}
div {
clear: left;
float: left;
font: 60px/120px test;
color: orange;
background: orange;
}
#test1 {
color: green;
background: green;
font-size-adjust: ch-width calc(1128 / 2048); /* should cause no change */
}
#test2 {
color: blue;
background: blue;
font-size-adjust: ch-width calc(1.5 * 1128 / 2048); /* should be 1.5 times larger */
}
#test3 {
color: magenta;
background: magenta;
font-size-adjust: ch-width calc(0.75 * 1128 / 2048); /* should be 0.75 times larger */
}
</style>
<body>
<p>Test passes if the size of the green rectangle matches the orange rectangle,
the blue rectangle is longer, and the magenta rectangle is shorter.</p>
<div>Filler Text</div>
<div id="test1">Filler Text</div>
<div id="test2">Filler Text</div>
<div id="test3">Filler Text</div>
</body>