assert(actual[, message]) expect(actual).toBeTruthy() expect(actual).not.toBeFalsy()//これも使える //actualが(0, "", null, undefined, NaN)でなければpass assert.same(actual, expected[, message]) expect(actual).toBe(expected) //actual === expectedであればpass assert.equals(actual, expected[, message]) expect(actual).toEqual(expected) //actual == expectedであればpass //objectの場合はpropertyの値が同じであればpass assert.greater(actu