fontface-descriptor-updates.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-font-loading/fontface-descriptor-updates.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html class=reftest-wait>

<meta charset=utf-8>

<title>CSS Font Loading test: modification of descriptors</title>

<link rel="author" title="Jonathan Kew" href="jkew@mozilla.com">

<link rel="help" href="https://drafts.csswg.org/css-font-loading/#fontface-interface">

<meta name="assert" content="If descriptors of a FontFace are modified, the new values should take effect">

<link rel="match" href="fontface-descriptor-updates-ref.html">

<style>

body { font-family: sans-serif; }

#test1 { font-family: test1, sans-serif; }

#test2 { font-family: test2, monospace; }

#test3 { font-family: test3, sans-serif; }

#test4 { font-family: test4, monospace; }

</style>

<script>

function run() {

  let f1 = new FontFace("test1", "url(resources/GenR102.woff2)");

  document.fonts.add(f1);

  let f2 = new FontFace("to_be_updated", "url(resources/GenR102.woff2)");

  document.fonts.add(f2);

  let f3 = new FontFace("test3", "url(resources/GenR102.woff2)", { weight: 700 });

  document.fonts.add(f3);

  let f4 = new FontFace("test3", "url(resources/GenI102.woff2)");

  document.fonts.add(f4);

  let f5 = new FontFace("test4", "url(resources/GenR102.woff2)", { unicodeRange: "U+002?" });

  document.fonts.add(f5);

  let f6 = new FontFace("test4", "url(resources/GenI102.woff2)", { unicodeRange: "U+00??" });

  document.fonts.add(f6);

  // Change family name to make f2 match #test2

  f2.family = "test2";

  // Swap weight descriptors so that f3 is regular and f4 (italic face) is regarded as bold

  f3.weight = 400;

  f4.weight = 700;

  // Update unicode-range so that f5 will be used for all characters in #test4

  f5.unicodeRange = "U+00??";

  f6.unicodeRange = "U+0000";

  document.fonts.ready.then(function() {

    document.documentElement.classList.remove("reftest-wait");

})

</script>

<body onload="run()">

<div>

All lines below should use the same serif font, with the word "weight" in italics:

<p id=test1>Using original family name of a FontFace</p>

<p id=test2>Using updated family name of a FontFace</p>

<p id=test3>Using updated <b>weight</b> descriptors</p>

<p id=test4>Using updated unicode-range descriptors</p>

</div>

</body>

</html>