expect(42).toBe(42) | Strict equality (===) |
expect(42).not.toBe(3) | Strict equality (!==) |
expect([1, 2]).toEqual([1, 2]) | Deep equality |
expect({ a: undefined, b: 2 }).toEqual({ b: 2 }) | Deep equality |
expect({ a: undefined, b: 2 }).not.toStrictEqual({ b: 2 }) | Strict equality (Jest 23+) |