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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/css/css-values/ex-unit-004.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Values and Units Test: support for the ex unit</title>
+<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
+<link rel="help" href="https://drafts.csswg.org/css-values-3/#font-relative-lengths">
+<link rel="help" href="https://www.w3.org/TR/css-fonts-3/#first-available-font">
+<link rel="match" href="reference/ex-unit-004-ref.html">
+<meta name="assert" content="The ex unit equals the x-height of the first available font if it has reliable metrics for the x-height.">
+<style>
+@font-face {
+ font-family: ExTestNoSpace;
+ src: url(resources/ExTest-NoSpace.woff);
+ unicode-range: U+0021-00FF;
+}
+div {
+ height: 10px;
+ background-color: blue;
+ margin-top: 10px;
+ font-size: 80px;
+ width: 10ex;
+}
+.test {
+ font-family: ExTestNoSpace, Arial, sans-serif;
+}
+.ref {
+ font-family: Arial, sans-serif;
+}
+</style>
+<p>The test passes if there are two blue rectangles of equal length.</p>
+<!-- ExTest is a font whose OS/2 table's sxHeight field is set to an
+ eighth of the font's units per em, but the space character is excluded
+ by unicode-range and therefore it is not valid as "first available font"
+ per CSS Fonts, and must NOT be used as the basis of the 'ex' unit. -->
+<div class="test"></div>
+<div class="ref"></div>