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Add test cases for Gecko bug(?)

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Katherina Walshe-Grey 2025-02-12 22:14:09 +00:00
parent 41e365f355
commit a920fcb98a
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gecko-bug/EBGaramond-Regular.woff2 Normal file
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<!DOCTYPE html>
<html lang="en-GB">
<head>
<meta charset="utf-8" />
<title>The Trees of Kortirion</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="stylesheet" href="./style.css" />
</head>
<body>
<p>OpenType font features do not display on any element that shares all font properties with an element that has a property set using the ch unit.</p>
<p>The incorrect behaviour is observed on:</p>
<ul>
<li>Firefox 134.0.2 on Linux</li>
<li>Firefox 135.0 on Windows</li>
<li>Firefox 133.0 on Android</li>
<li>Firefox 135.0.1 on Android</li>
</ul>
<p>The correct behaviour is observed on:</p>
<ul>
<li>Firefox 135.0 on macOS 15.1</li>
<li>Chromium 133.0.6943.54 on macOS 15.1</li>
<li>Chromium 132.0.6834.159 on Linux</li>
<li>Edge 132.0.2957.140 on Windows</li>
<li>Vivaldi 7.1.3570.47 on Windows</li>
<li>Vivaldi 7.1.3580.99 on Android</li>
<li>Safari 18.1 (20619.2.8.11.10) on macOS 15.1</li>
</ul>
<div class="garamond">
<h1>EB Garamond</h1>
<p>The first div has a font-size of 7rem and a height of 10rem. The elongated "Q" displays correctly.</p>
<p>The second div has a font-size of 8rem and a height of 3ch. The elongated "Q" does not display, because of the use of the ch unit.</p>
<p>The third div has a font-size of 8rem and a height of 10rem. The elongated "Q" still does not display, because of the use of the ch unit in the second div, which has the same font-size.</p>
<div class="testcase correct">Queen</div>
<div class="testcase broken">Queen</div>
<div class="testcase also-broken">Queen</div>
</div>
<div class="open-sans">
<h1>Open Sans</h1>
<p>As for the other font.</p>
<div class="testcase correct">going</div>
<div class="testcase broken">going</div>
<div class="testcase also-broken">going</div>
</div>
</body>
</html>

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@font-face {
font-family: "EB Garamond";
font-style: normal;
font-weight: 400;
src: url(./EBGaramond-Regular.woff2) format("woff2");
}
@font-face {
font-family: "Open Sans";
font-style: normal;
font-weight: 400;
src: url(./OpenSans-Regular.ttf) format("truetype");
}
@font-feature-values "EB Garamond" {
@swash {
long-q: 1;
}
}
@font-feature-values "Open Sans" {
@styleset {
alt-g: 1;
}
}
.garamond {
font-family: "EB Garamond", serif;
font-variant-alternates: swash(long-q);
}
.open-sans {
font-family: "Open Sans", sans-serif;
font-variant-alternates: styleset(alt-g);
}
.correct {
font-size: 7rem;
height: 10rem;
}
.broken {
font-size: 8rem;
height: 3ch;
}
.also-broken {
font-size: 8rem;
height: 10rem;
}
/* CSS below here is irrelevant to the bug */
.testcase {
display: inline-block;
vertical-align: top;
width: 22rem;
margin: 1rem;
padding: 2rem;
border: 0.5rem dashed #ce5e46;
}
h1 {
font-weight: normal;
color: #ce5e46;
}
body {
background-color: #f9f9ef;
}