diff options
Diffstat (limited to 'Libraries/LibJS/Tests/operators/delete-basic.js')
-rw-r--r-- | Libraries/LibJS/Tests/operators/delete-basic.js | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/Libraries/LibJS/Tests/operators/delete-basic.js b/Libraries/LibJS/Tests/operators/delete-basic.js deleted file mode 100644 index e619e711a2..0000000000 --- a/Libraries/LibJS/Tests/operators/delete-basic.js +++ /dev/null @@ -1,61 +0,0 @@ -test("deleting object properties", () => { - const o = {}; - o.x = 1; - o.y = 2; - o.z = 3; - expect(Object.getOwnPropertyNames(o)).toHaveLength(3); - - expect(delete o.x).toBeTrue(); - expect(o.hasOwnProperty("x")).toBeFalse(); - expect(o.hasOwnProperty("y")).toBeTrue(); - expect(o.hasOwnProperty("z")).toBeTrue(); - expect(Object.getOwnPropertyNames(o)).toHaveLength(2); - - expect(delete o.y).toBeTrue(); - expect(o.hasOwnProperty("x")).toBeFalse(); - expect(o.hasOwnProperty("y")).toBeFalse(); - expect(o.hasOwnProperty("z")).toBeTrue(); - expect(Object.getOwnPropertyNames(o)).toHaveLength(1); - - expect(delete o.z).toBeTrue(); - expect(o.hasOwnProperty("x")).toBeFalse(); - expect(o.hasOwnProperty("y")).toBeFalse(); - expect(o.hasOwnProperty("z")).toBeFalse(); - expect(Object.getOwnPropertyNames(o)).toHaveLength(0); -}); - -test("deleting array indices", () => { - const a = [3, 5, 7]; - - expect(Object.getOwnPropertyNames(a)).toHaveLength(4); - - expect(delete a[0]).toBeTrue(); - expect(a.hasOwnProperty(0)).toBeFalse(); - expect(a.hasOwnProperty(1)).toBeTrue(); - expect(a.hasOwnProperty(2)).toBeTrue(); - expect(Object.getOwnPropertyNames(a)).toHaveLength(3); - - expect(delete a[1]).toBeTrue(); - expect(a.hasOwnProperty(0)).toBeFalse(); - expect(a.hasOwnProperty(1)).toBeFalse(); - expect(a.hasOwnProperty(2)).toBeTrue(); - expect(Object.getOwnPropertyNames(a)).toHaveLength(2); - - expect(delete a[2]).toBeTrue(); - expect(a.hasOwnProperty(0)).toBeFalse(); - expect(a.hasOwnProperty(1)).toBeFalse(); - expect(a.hasOwnProperty(2)).toBeFalse(); - expect(Object.getOwnPropertyNames(a)).toHaveLength(1); - - expect(delete a["42"]).toBeTrue(); - expect(Object.getOwnPropertyNames(a)).toHaveLength(1); -}); - -test("deleting non-configurable property", () => { - const q = {}; - Object.defineProperty(q, "foo", { value: 1, writable: false, enumerable: false }); - expect(q.foo).toBe(1); - - expect(delete q.foo).toBeFalse(); - expect(q.hasOwnProperty("foo")).toBeTrue(); -}); |