Updated the Negotiate method in the Localization package to add explicit language requests.

2026-08-30 19:05:52 +02:00
parent 79cfb42fbb
commit 9b16ce3339
3 changed files with 57 additions and 3 deletions
@@ -127,4 +127,44 @@ struct NegotiateTests {
        #expect(language == "en")
    }

+    @Test
+    func `honours a supported requested language over the header`() {
+        let language = negotiate(
+            requested: "de",
+            acceptLanguage: "en"
+        )
+
+        #expect(language == "de")
+    }
+
+    @Test
+    func `matches a regional requested language by its primary subtag`() {
+        let language = negotiate(
+            requested: "de-AT",
+            acceptLanguage: "en"
+        )
+
+        #expect(language == "de")
+    }
+
+    @Test
+    func `ignores an unsupported requested language`() {
+        let language = negotiate(
+            requested: "fr",
+            acceptLanguage: "de"
+        )
+
+        #expect(language == "de")
+    }
+
+    @Test
+    func `ignores an empty requested language`() {
+        let language = negotiate(
+            requested: "",
+            acceptLanguage: "de"
+        )
+
+        #expect(language == "de")
+    }
+
 }