commit d279a1a33369eba32098730d701043c1417f090c
parent 1dd24934d2144d52dc4fa0d5b9ff4c5cf0ecb85b
Author: Jonathan Kew <jkew@mozilla.com>
Date: Sat, 6 Dec 2025 00:21:52 +0000
Bug 2003721 - Add some tests for case-insensitivity of language tag matching. r=layout-reviewers,emilio
Differential Revision: https://phabricator.services.mozilla.com/D275270
Diffstat:
5 files changed, 157 insertions(+), 0 deletions(-)
diff --git a/testing/web-platform/tests/css/css-content/quotes-035.html b/testing/web-platform/tests/css/css-content/quotes-035.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<html lang="en">
+<meta charset=utf-8>
+<title>CSS Generated Content test: quotes</title>
+<meta name="assert" content="lang tag matching is not case-sensitive, and ignores extra subtags">
+<link rel="help" href="https://drafts.csswg.org/css-content-3/#quotes">
+<link rel="help" href="https://www.rfc-editor.org/rfc/rfc4647.txt#:~:text=insensitive">
+<link rel=match href="reference/quotes-035-ref.html">
+<style>
+body { font: 15px serif; }
+p { margin: 3px 0; }
+</style>
+<body>
+<p>Test passes if quote marks in each pair of lines match:</p>
+
+<p lang="fr"><q>fr</q></p>
+<p lang="FR"><q>fr</q></p>
+<br>
+<p lang="en"><q>en</q></p>
+<p lang="eN-Us"><q>en</q></p>
+<br>
+<p lang="fi"><q>fi</q></p>
+<p lang="Fi"><q>fi</q></p>
+<br>
+<p lang="he"><q>he</q></p>
+<p lang="he-IL"><q>he</q></p>
+<br>
+<p lang="de"><q>de</q></p>
+<p lang="DE-LATN-DE"><q>de</q></p>
+<br>
+<p lang="ja"><q>ja</q></p>
+<p lang="JA"><q>ja</q></p>
diff --git a/testing/web-platform/tests/css/css-content/reference/quotes-035-ref.html b/testing/web-platform/tests/css/css-content/reference/quotes-035-ref.html
@@ -0,0 +1,28 @@
+<!doctype html>
+<html lang="en">
+<meta charset=utf-8>
+<title>CSS Generated Content reference: quotes</title>
+<style>
+body { font: 15px serif; }
+p { margin: 3px 0; }
+</style>
+<body>
+<p>Test passes if quote marks in each pair of lines match:</p>
+
+<p lang="fr"><q>fr</q></p>
+<p lang="fr"><q>fr</q></p>
+<br>
+<p lang="en"><q>en</q></p>
+<p lang="en"><q>en</q></p>
+<br>
+<p lang="fi"><q>fi</q></p>
+<p lang="fi"><q>fi</q></p>
+<br>
+<p lang="he"><q>he</q></p>
+<p lang="he"><q>he</q></p>
+<br>
+<p lang="de"><q>de</q></p>
+<p lang="de"><q>de</q></p>
+<br>
+<p lang="ja"><q>ja</q></p>
+<p lang="ja"><q>ja</q></p>
diff --git a/testing/web-platform/tests/css/css-text-decor/text-emphasis-position-auto-002.html b/testing/web-platform/tests/css/css-text-decor/text-emphasis-position-auto-002.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>text-emphasis-position auto value</title>
+<link rel="help" href="https://drafts.csswg.org/css-text-decor/#propdef-text-emphasis-position">
+<link rel="match" href="text-emphasis-position-auto-001-ref.html">
+<style>
+p {
+ border: solid silver;
+ text-emphasis: dot;
+ text-emphasis-position: auto;
+ margin: 0.5em;
+}
+
+div {
+ float: left;
+ margin: 0.5em;
+}
+</style>
+
+<!-- lang tags should work even with non-canonical casing -->
+<div lang="Zh">
+ <p>你好
+</div>
+
+<div lang="jA">
+ <p>今日は</p>
+</div>
+
+<div lang="KO">
+ <p>안녕하세요</p>
+</div>
+
+<div lang="zH" style="writing-mode: vertical-rl">
+ <p>你好
+</div>
+
+<div lang="JA" style="writing-mode: vertical-rl">
+ <p>今日は</p>
+</div>
+
+<div lang="Ko" style="writing-mode: vertical-rl">
+ <p>안녕하세요</p>
+</div>
diff --git a/testing/web-platform/tests/css/css-text/hyphens/lang-tag-case-insensitive.html b/testing/web-platform/tests/css/css-text/hyphens/lang-tag-case-insensitive.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<html lang="en" class="reftest-wait">
+ <link rel="help" href="https://www.w3.org/TR/css-text-3/#hyphenation">
+ <link rel="match" href="reference/hyphens-character-ref.html">
+ <meta charset="utf-8" />
+ <meta content="Checks that language tag works with mixed/non-canonical case" name="assert">
+ <!-- copied from hyphens-character.html with just the lang tag modified -->
+ <style>
+ @font-face {
+ font-family: roboto_hyphen;
+ src: url(resources/roboto_hyphenation_subset.ttf)
+ }
+
+ div {
+ display: block;
+ width: 40px;
+ hyphens: auto;
+ -webkit-hyphens: auto;
+ font-family: roboto_hyphen, cursive;
+ }
+ </style>
+ <body>
+ <div lang="De-dE">
+ Donaudampfschifffahrt
+ </div>
+
+ <script>
+ document.fonts.ready.then(
+ () => { document.documentElement.classList.remove("reftest-wait"); });
+ </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-text/text-transform/text-transform-tailoring-001a.html b/testing/web-platform/tests/css/css-text/text-transform/text-transform-tailoring-001a.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="utf-8"/>
+<title>CSS3 Text, text transform: capitalize, Dutch IJ, non-canonical lang tag</title>
+<meta name="assert" content="[Exploratory] the brower tailors text-transform: capitalize to put both I and J in titlecase at the start of a word when the language is Dutch.">
+<!-- copied from text-transform-tailoring-001.html with lang tag modified -->
+<link rel='help' href='https://drafts.csswg.org/css-text-3/#text-transform'>
+<link rel="match" href="reference/text-transform-tailoring-001-ref.html">
+<style type='text/css'>
+.test, .ref { font-size: 36px; font-family: 'Gentium Plus', 'Noto Serif', 'Noto Sans', webfont, sans-serif; border: 1px solid orange; margin: 10px; width: 200px; padding: 5px; }
+/* the CSS above is not part of the test */
+.test { text-transform: capitalize; }
+</style>
+</head>
+<body>
+<p class="instructions">Test passes if the orange boxes are identical.</p>
+<div class="test" lang="NL">ijsland</div>
+<div class="ref">IJsland</div>
+</body>
+</html>
+\ No newline at end of file
