From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 ...acy-and-sign-locales-with-unicode-extensions.js | 79 ++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 js/src/tests/non262/Intl/legacy-and-sign-locales-with-unicode-extensions.js

(limited to 'js/src/tests/non262/Intl/legacy-and-sign-locales-with-unicode-extensions.js')

diff --git a/js/src/tests/non262/Intl/legacy-and-sign-locales-with-unicode-extensions.js b/js/src/tests/non262/Intl/legacy-and-sign-locales-with-unicode-extensions.js
new file mode 100644
index 0000000000..2421d9bb09
--- /dev/null
+++ b/js/src/tests/non262/Intl/legacy-and-sign-locales-with-unicode-extensions.js
@@ -0,0 +1,79 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+const languageTags = {
+  // Case 1: legacy, regular tags.
+  "art-lojban": "jbo",
+  "cel-gaulish": "xtg",
+  "zh-guoyu": "zh",
+  "zh-hakka": "hak",
+  "zh-xiang": "hsn",
+
+  // Case 2: redundant language tags.
+  "sgn-BR": "bzs",
+  "sgn-CO": "csn",
+  "sgn-DE": "gsg",
+  "sgn-DK": "dsl",
+  "sgn-ES": "ssp",
+  "sgn-FR": "fsl",
+  "sgn-GB": "bfi",
+  "sgn-GR": "gss",
+  "sgn-IE": "isg",
+  "sgn-IT": "ise",
+  "sgn-JP": "jsl",
+  "sgn-MX": "mfs",
+  "sgn-NI": "ncs",
+  "sgn-NL": "dse",
+  "sgn-NO": "nsi",
+  "sgn-PT": "psr",
+  "sgn-SE": "swl",
+  "sgn-US": "ase",
+  "sgn-ZA": "sfs",
+
+  // Case 3: the special case.
+  "ja-Latn-hepburn-heploc": "ja-Latn-alalc97",
+};
+const extensions = ["-u-attr", "-u-nu-latn"];
+const intlConstructors = [Intl.Collator, Intl.DateTimeFormat, Intl.NumberFormat];
+const options = [{localeMatcher: "best fit"}, {localeMatcher: "lookup"}];
+
+for (let [tag, canonical] of Object.entries(languageTags)) {
+  // Ensure Intl.getCanonicalLocales canonicalizes the language tag correctly.
+  assertEq(Intl.getCanonicalLocales(tag)[0], canonical);
+
+  // Unicode extensions don't change the canonicalization result.
+  for (let ext of extensions) {
+    assertEq(Intl.getCanonicalLocales(tag + ext)[0], canonical + ext);
+    assertEq(Intl.getCanonicalLocales(canonical + ext)[0], canonical + ext);
+  }
+
+  for (let intlCtor of intlConstructors) {
+    for (let opt of options) {
+      // The non-canonical tag is supported iff the canonical tag is supported.
+      let supported = intlCtor.supportedLocalesOf(tag, opt);
+      let supportedCanonical = intlCtor.supportedLocalesOf(canonical, opt);
+      assertEq(supported.length, supportedCanonical.length);
+
+      let isSupported = supported.length > 0;
+      if (isSupported) {
+        assertEq(supported[0], canonical);
+        assertEq(supportedCanonical[0], canonical);
+      }
+
+      // Unicode extensions don't change the result of supportedLocalesOf().
+      for (let ext of extensions) {
+        let supportedExt = intlCtor.supportedLocalesOf(tag + ext, opt);
+        let supportedCanonicalExt = intlCtor.supportedLocalesOf(canonical + ext, opt);
+        assertEq(supportedExt.length, supportedCanonical.length);
+        assertEq(supportedCanonicalExt.length, supportedCanonical.length);
+
+        if (isSupported) {
+          assertEq(supportedExt[0], canonical + ext);
+          assertEq(supportedCanonicalExt[0], canonical + ext);
+        }
+      }
+    }
+  }
+}
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0);
-- 
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