| import { deepFreeze } from './deep-freeze' |
|
|
| describe('freeze', () => { |
| it('should freeze an object', () => { |
| const obj = { a: 1, b: 2 } |
| deepFreeze(obj) |
| expect(Object.isFrozen(obj)).toBe(true) |
| }) |
|
|
| it('should freeze an array', () => { |
| const arr = [1, 2, 3] |
| deepFreeze(arr) |
| expect(Object.isFrozen(arr)).toBe(true) |
| }) |
|
|
| it('should freeze nested objects', () => { |
| const obj = { a: { b: 2 }, c: 3 } |
| deepFreeze(obj) |
| expect(Object.isFrozen(obj)).toBe(true) |
| expect(Object.isFrozen(obj.a)).toBe(true) |
| }) |
|
|
| it('should freeze nested arrays', () => { |
| const arr = [ |
| [1, 2], |
| [3, 4], |
| ] |
| deepFreeze(arr) |
| expect(Object.isFrozen(arr)).toBe(true) |
| expect(Object.isFrozen(arr[0])).toBe(true) |
| expect(Object.isFrozen(arr[1])).toBe(true) |
| }) |
|
|
| it('should freeze nested objects and arrays', () => { |
| const obj = { a: [1, 2], b: { c: 3 } } |
| deepFreeze(obj) |
| expect(Object.isFrozen(obj)).toBe(true) |
| expect(Object.isFrozen(obj.a)).toBe(true) |
| expect(Object.isFrozen(obj.b)).toBe(true) |
| }) |
| }) |
|
|
