Updated the "name(for:)" method for the ContentViewModel view model in the Sample app target to append the region flag emoji to the locale name.

Apps/Attendi/Tests/View Models/ContentViewModelTests.swift

@@ -226,6 +226,36 @@ struct ContentViewModelTests {
 
     }
 
+    // MARK: Name
+
+    @MainActor
+    @Suite("Name")
+    struct Name {
+
+        @Test
+        func `name pairs the localized language name with the region flag`() {
+            let model = Model(preinstaller: PreinstallingMock())
+
+            #expect(model.name(for: .english) == "\(languageName("en")) 🇺🇸")
+            #expect(model.name(for: .dutch) == "\(languageName("nl")) 🇳🇱")
+        }
+
+        @Test
+        func `name omits the flag for a locale without a region`() {
+            let model = Model(preinstaller: PreinstallingMock())
+
+            #expect(!model.name(for: Locale(identifier: "en")).containsFlag)
+        }
+
+        @Test
+        func `name omits the flag for a numeric region`() {
+            let model = Model(preinstaller: PreinstallingMock())
+
+            #expect(!model.name(for: Locale(identifier: "es-419")).containsFlag)
+        }
+
+    }
+
 }
 
 // MARK: - Constants
@@ -238,3 +268,20 @@ private extension Locale {
     /// Another supported locale to preinstall in the tests.
     static let english = Locale(identifier: "en-US")
 }
+
+// MARK: - Helpers
+
+/// The capitalized, localized language name for a language code, mirroring how the model builds the language part of a locale's name.
+///
+/// - Parameter code: The language code to name.
+/// - Returns: The localized language name in the current locale, capitalized.
+private func languageName(_ code: String) -> String {
+    (Locale.current.localizedString(forLanguageCode: code) ?? code).localizedCapitalized
+}
+
+private extension String {
+    /// Whether the string contains a Regional Indicator Symbol scalar — part of a flag emoji.
+    var containsFlag: Bool {
+        unicodeScalars.contains { $0.value >= 0x1F1E6 && $0.value <= 0x1F1FF }
+    }
+}