| function check(obj, expected, expectedAll = expected) { |
| assertEq(Reflect.ownKeys(obj).join(""), expectedAll); |
| assertEq(Object.getOwnPropertyNames(obj).join(""), expectedAll); |
| assertEq(Object.keys(obj).join(""), expected); |
| var s = ""; |
| for (var x in obj) |
| s += x; |
| assertEq(s, expected); |
| } |
| |
| var obj = {2: 0, 0: 0, "foo": "bar", 4: 0, "-5": 1}; |
| check(obj, "024foo-5"); |
| obj.x = 1; |
| check(obj, "024foo-5x"); |
| obj[1] = 1; |
| check(obj, "0124foo-5x"); |
| obj[1.2] = 1; |
| check(obj, "0124foo-5x1.2"); |
| Object.defineProperty(obj, '3', {value:1,enumerable:false,configurable:false,writable:false}); |
| check(obj, "0124foo-5x1.2", "01234foo-5x1.2"); |
| delete obj[2]; |
| check(obj, "014foo-5x1.2", "0134foo-5x1.2"); |
| obj[2] = 1; |
| check(obj, "0124foo-5x1.2", "01234foo-5x1.2"); |
| |
| assertEq(JSON.stringify(obj), '{"0":0,"1":1,"2":1,"4":0,"foo":"bar","-5":1,"x":1,"1.2":1}'); |
| |
| var arr = [1, 2, 3]; |
| Object.defineProperty(arr, '3', {value:1,enumerable:true,configurable:true,writable:true}); |
| check(arr, "0123", "0123length"); |
| Object.defineProperty(arr, '1000', {value:1,enumerable:true,configurable:true,writable:false}); |
| check(arr, "01231000", "01231000length"); |
| |
| arr = [1, 2, , , 5]; |
| check(arr, "014", "014length"); |
| arr[0xfffffff] = 4; |
| check(arr, "014268435455", "014268435455length"); |