LibJS: Implement Intl.DurationFormat.prototype.format

2025-07-27 11:37:34 +00:00 · 2022-06-30 16:43:53 +03:00 · 2022-06-30 16:43:53 +03:00 · 706ff5ac83
commit 706ff5ac83
parent b1fe6c3f68
3 changed files with 93 additions and 0 deletions
--- a/Userland/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.format.js
+++ b/Userland/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.format.js
@ -0,0 +1,65 @@
+describe("correct behavior", () => {
+    test("length is 1", () => {
+        expect(Intl.DurationFormat.prototype.format).toHaveLength(1);
+    });
+
+    test("formats duration correctly", () => {
+        const duration = {
+            years: 1,
+            months: 2,
+            weeks: 3,
+            days: 3,
+            hours: 4,
+            minutes: 5,
+            seconds: 6,
+            milliseconds: 7,
+            microseconds: 8,
+            nanoseconds: 9,
+        };
+        expect(new Intl.DurationFormat().format(duration)).toBe(
+            "1 year, 2 months, 3 weeks, 3 days, 4 hours, 5 minutes, 6 seconds, 7 milliseconds, 8 microseconds, and 9 nanoseconds"
+        );
+        expect(new Intl.DurationFormat("en").format(duration)).toBe(
+            "1 year, 2 months, 3 weeks, 3 days, 4 hours, 5 minutes, 6 seconds, 7 milliseconds, 8 microseconds, and 9 nanoseconds"
+        );
+        expect(new Intl.DurationFormat("en", { style: "long" }).format(duration)).toBe(
+            "1 year, 2 months, 3 weeks, 3 days, 4 hours, 5 minutes, 6 seconds, 7 milliseconds, 8 microseconds, and 9 nanoseconds"
+        );
+        expect(new Intl.DurationFormat("en", { style: "short" }).format(duration)).toBe(
+            "1 yr, 2 mths, 3 wks, 3 days, 4 hr, 5 min, 6 sec, 7 ms, 8 μs, and 9 ns"
+        );
+        expect(new Intl.DurationFormat("en", { style: "narrow" }).format(duration)).toBe(
+            "1y, 2m, 3w, 3d, 4h, 5m, 6s, 7ms, 8μs, and 9ns"
+        );
+        expect(new Intl.DurationFormat("en", { style: "digital" }).format(duration)).toBe(
+            "1y, 2m, 3w, 3d, and 4:05:06.007"
+        );
+        expect(
+            new Intl.DurationFormat("en", {
+                style: "narrow",
+                nanoseconds: "numeric",
+                fractionalDigits: 7,
+            }).format(duration)
+        ).toBe("1y, 2m, 3w, 3d, 4h, 5m, 6s, 7ms, and 8.009μs");
+
+        expect(new Intl.DurationFormat("de", { style: "long" }).format(duration)).toBe(
+            "1 Jahr, 2 Monate, 3 Wochen, 3 Tage, 4 Stunden, 5 Minuten, 6 Sekunden, 7 Millisekunden, 8 Mikrosekunden und 9 Nanosekunden"
+        );
+        expect(new Intl.DurationFormat("de", { style: "short" }).format(duration)).toBe(
+            "1 J, 2 Mon., 3 Wo., 3 Tg., 4 Std., 5 Min., 6 Sek., 7 ms, 8 μs und 9 ns"
+        );
+        expect(new Intl.DurationFormat("de", { style: "narrow" }).format(duration)).toBe(
+            "1 J, 2 M, 3 W, 3 T, 4 Std., 5 Min., 6 Sek., 7 ms, 8 μs und 9 ns"
+        );
+        expect(new Intl.DurationFormat("de", { style: "digital" }).format(duration)).toBe(
+            "1 J, 2 M, 3 W, 3 T und 4:05:06,007"
+        );
+        expect(
+            new Intl.DurationFormat("de", {
+                style: "narrow",
+                nanoseconds: "numeric",
+                fractionalDigits: 7,
+            }).format(duration)
+        ).toBe("1 J, 2 M, 3 W, 3 T, 4 Std., 5 Min., 6 Sek., 7 ms und 8,009 μs");
+    });
+});