css/css-fonts/font-variant-alternates-08.html

<!DOCTYPE html>
<html lang="en">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>CSS Test:  font-variant-alternates: styleset(); low level equivalence</title>
<link rel="author" title="Chris Lilley" href="chris@w3.org">
<link rel="match" href="font-variant-alternates-08-ref.html">
<link rel="help" href="https://www.w3.org/TR/css-fonts-4/#font-variant-alternates-prop">
<link rel="help" href="https://www.w3.org/TR/css-fonts-4/#font-feature-settings-prop">
<link rel="help" href="https://drafts.csswg.org/css-fonts/#font-feature-values">
<meta name="assert" content="Enables display with stylistic sets (font specific, OpenType feature: ss&lt;feature-index&gt;">
<style>
  @font-face {
    font-family: fwf;
    src: url(support/fonts/FontWithFancyFeatures.otf);
  }
  @font-feature-values fwf {
    @styleset {
      foo: 1;
      bar: 2;
      baz: 3;
    }
  }
  .test {
	  font-family: fwf;
	  font-size: 2em;
	  line-height: 1.1;
  }
  .high {
	 font-variant-alternates: styleset(baz);
  }
  .low {
   font-feature-settings: "hist" off, "salt" 00, "ss01" off, "ss02" off, "ss03" on,
    "cv01" off, "cv02" off, "cv03" off,  "swsh" 00, "cswh" 00, "ornm" 00, "nalt" 00;
  }
</style>
<body>

<p>Test passes if the three lines below are identical, with six crosses (✗), one check mark (✓) followed by thirteen crosses (✗). </p>
<section class="test">
  <p class="high">Xnophijklmqrstuvwxyz</p>
  <p class="low">Xnophijklmqrstuvwxyz</p>
  <p class="ref">BBBBBBABBBBBBBBBBBBB</p>
</section>