import { IncidentCount } from './IncidentCount'; import { RacingDomainValidationError } from '../../errors/RacingDomainError'; describe('IncidentCount', () => { describe('create', () => { it('should create an IncidentCount with valid non-negative integer', () => { const incidentCount = IncidentCount.create(5); expect(incidentCount.toNumber()).toBe(5); }); it('should create with zero', () => { const incidentCount = IncidentCount.create(0); expect(incidentCount.toNumber()).toBe(0); }); it('should throw error for negative number', () => { expect(() => IncidentCount.create(-1)).toThrow(RacingDomainValidationError); }); it('should throw error for non-integer', () => { expect(() => IncidentCount.create(1.5)).toThrow(RacingDomainValidationError); }); }); describe('toNumber', () => { it('should return the number value', () => { const incidentCount = IncidentCount.create(3); expect(incidentCount.toNumber()).toBe(3); }); }); describe('equals', () => { it('should return true for equal incident counts', () => { const ic1 = IncidentCount.create(2); const ic2 = IncidentCount.create(2); expect(ic1.equals(ic2)).toBe(true); }); it('should return false for different incident counts', () => { const ic1 = IncidentCount.create(2); const ic2 = IncidentCount.create(3); expect(ic1.equals(ic2)).toBe(false); }); }); });