+
+ // it('Verify once() behavior', () => {
+ // let called = 0
+ // const fn = () => ++called
+ // const onceFn = once(fn, this)
+ // const result1 = onceFn()
+ // expect(called).toBe(1)
+ // expect(result1).toBe(1)
+ // const result2 = onceFn()
+ // expect(called).toBe(1)
+ // expect(result2).toBe(1)
+ // const result3 = onceFn()
+ // expect(called).toBe(1)
+ // expect(result3).toBe(1)
+ // })