LibJS: Implement Temporal.PlainDateTime.prototype.toLocaleString

Author: https://github.com/Lubrsi Commit: 2a98b521b4 Pull-request: https://github.com/SerenityOS/serenity/pull/10771 Reviewed-by: https://github.com/linusg ✅
2025-09-02 15:46:33 +00:00 · 2021-11-03 01:57:57 +00:00 · 2021-11-03 01:57:57 +00:00 · 2a98b521b4 · 2024-07-18 01:32:19 +09:00
commit 2a98b521b4
parent b2bbd4d2b8
3 changed files with 32 additions and 0 deletions
--- a/Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainDateTime/PlainDateTime.prototype.toLocaleString.js
+++ b/Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainDateTime/PlainDateTime.prototype.toLocaleString.js
@ -0,0 +1,18 @@
+describe("correct behavior", () => {
+    test("length is 0", () => {
+        expect(Temporal.PlainDateTime.prototype.toLocaleString).toHaveLength(0);
+    });
+
+    test("basic functionality", () => {
+        const plainDateTime = new Temporal.PlainDateTime(2021, 11, 3, 1, 33, 5, 100, 200, 300);
+        expect(plainDateTime.toLocaleString()).toBe("2021-11-03T01:33:05.1002003");
+    });
+});
+
+describe("errors", () => {
+    test("this value must be a Temporal.PlainDateTime object", () => {
+        expect(() => {
+            Temporal.PlainDateTime.prototype.toLocaleString.call("foo");
+        }).toThrowWithMessage(TypeError, "Not an object of type Temporal.PlainDateTime");
+    });
+});