LibJS: Move tests to /Tests/LibJS

Author: https://github.com/gmta
Commit: https://github.com/LadybirdBrowser/ladybird/commit/e3faa9b5add
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7572
Reviewed-by: https://github.com/trflynn89 ✅

Tests/LibJS/Runtime/builtins/Object/Object.values.js

@@ -0,0 +1,51 @@
+describe("correct behavior", () => {
+    test("lengths", () => {
+        expect(Object.values).toHaveLength(1);
+        expect(Object.values(true)).toHaveLength(0);
+        expect(Object.values(45)).toHaveLength(0);
+        expect(Object.values(-998)).toHaveLength(0);
+        expect(Object.values("abcd")).toHaveLength(4);
+        expect(Object.values([1, 2, 3])).toHaveLength(3);
+        expect(Object.values({ a: 1, b: 2, c: 3 })).toHaveLength(3);
+    });
+
+    test("object argument", () => {
+        let values = Object.values({ foo: 1, bar: 2, baz: 3 });
+        expect(values).toEqual([1, 2, 3]);
+    });
+
+    test("object argument with symbol keys", () => {
+        let values = Object.values({ foo: 1, [Symbol("bar")]: 2, baz: 3 });
+        expect(values).toEqual([1, 3]);
+    });
+
+    test("array argument", () => {
+        let values = Object.values(["a", "b", "c"]);
+        expect(values).toEqual(["a", "b", "c"]);
+    });
+
+    test("ignores non-enumerable properties", () => {
+        let obj = { foo: 1 };
+        Object.defineProperty(obj, "getFoo", {
+            value: function () {
+                return this.foo;
+            },
+        });
+        let values = Object.values(obj);
+        expect(values).toEqual([1]);
+    });
+});
+
+describe("errors", () => {
+    test("null argument", () => {
+        expect(() => {
+            Object.values(null);
+        }).toThrowWithMessage(TypeError, "ToObject on null or undefined");
+    });
+
+    test("undefined argument", () => {
+        expect(() => {
+            Object.values(undefined);
+        }).toThrowWithMessage(TypeError, "ToObject on null or undefined");
+    });
+});