LibJS: Implement Intl.Locale.prototype.maximize

1 files changed, 32 insertions, 0 deletions

diff --git a/Userland/Libraries/LibJS/Tests/builtins/Intl/Locale/Locale.prototype.maximize.js b/Userland/Libraries/LibJS/Tests/builtins/Intl/Locale/Locale.prototype.maximize.js
new file mode 100644
index 0000000000..8f6bd34191
--- /dev/null
+++ b/Userland/Libraries/LibJS/Tests/builtins/Intl/Locale/Locale.prototype.maximize.js
@@ -0,0 +1,32 @@
+test("length is 0", () => {
+    expect(Intl.Locale.prototype.maximize).toHaveLength(0);
+});
+
+test("normal behavior", () => {
+    expect(new Intl.Locale("en").maximize().toString()).toBe("en-Latn-US");
+
+    expect(new Intl.Locale("en-Latn").maximize().toString()).toBe("en-Latn-US");
+    expect(new Intl.Locale("en-Shaw").maximize().toString()).toBe("en-Shaw-GB");
+    expect(new Intl.Locale("en-Arab").maximize().toString()).toBe("en-Arab-US");
+
+    expect(new Intl.Locale("en-US").maximize().toString()).toBe("en-Latn-US");
+    expect(new Intl.Locale("en-GB").maximize().toString()).toBe("en-Latn-GB");
+    expect(new Intl.Locale("en-FR").maximize().toString()).toBe("en-Latn-FR");
+
+    expect(new Intl.Locale("it-Kana-CA").maximize().toString()).toBe("it-Kana-CA");
+
+    expect(new Intl.Locale("und").maximize().toString()).toBe("en-Latn-US");
+    expect(new Intl.Locale("und-Thai").maximize().toString()).toBe("th-Thai-TH");
+    expect(new Intl.Locale("und-419").maximize().toString()).toBe("es-Latn-419");
+    expect(new Intl.Locale("und-150").maximize().toString()).toBe("ru-Cyrl-RU");
+    expect(new Intl.Locale("und-AT").maximize().toString()).toBe("de-Latn-AT");
+    expect(new Intl.Locale("und-Cyrl-RO").maximize().toString()).toBe("bg-Cyrl-RO");
+    expect(new Intl.Locale("und-AQ").maximize().toString()).toBe("und-Latn-AQ");
+});
+
+test("keywords are preserved", () => {
+    expect(new Intl.Locale("en-u-ca-abc").maximize().toString()).toBe("en-Latn-US-u-ca-abc");
+    expect(new Intl.Locale("en", { calendar: "abc" }).maximize().toString()).toBe(
+        "en-Latn-US-u-ca-abc"
+    );
+});