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[css-fonts] Add a test that src:local matches a single face, not a whole family. #50051

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Jan 14, 2025
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[css-fonts] Add a test that src:local matches a single face, not a whole family. #50051

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19 changes: 19 additions & 0 deletions css/css-fonts/font-face-local-not-family-ref.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<meta charset="utf-8">
<title>@font-face src:local() reference</title>

<style>
@font-face {
/* Load the regular face of Arial, or if not present, harmlessly fall back to Ahem
(but the test will then be pointless). */
font-family: "LocalArial";
src: local("Arial"),
local("ArialMT"),
local(Ahem),
url(/fonts/Ahem.ttf);
}
</style>

<p style="font: 24px LocalArial">These two lines should look the same</p>

<p style="font: 24px LocalArial">These two lines should look the same</p>
25 changes: 25 additions & 0 deletions css/css-fonts/font-face-local-not-family.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<meta charset="utf-8">
<title>@font-face src:local() test</title>
<meta name="assert" content="src:local() loads an individual face, not an entire font family">
<link rel="help" href="https://drafts.csswg.org/css-fonts-4/#local-font-fallback">
<link rel="match" href="font-face-local-not-family-ref.html">

<style>
@font-face {
/* Load the regular face of Arial, or if not present, harmlessly fall back to Ahem
(but the test will then be pointless). */
font-family: "LocalArial";
src: local("Arial"),
local("ArialMT"),
local(Ahem),
url(/fonts/Ahem.ttf);
}
</style>

<p style="font: 24px LocalArial">These two lines should look the same</p>

<!-- Because we only defined a single face in the LocalArial family, and disabled any synthesis,
the 'bold' here must have no effect; in particular, it does NOT access any installed
Arial-Bold face. -->
<p style="font: bold 24px LocalArial; font-synthesis: none">These two lines should look the same</p>