import { LapTime } from './LapTime';
import { RacingDomainValidationError } from '../../errors/RacingDomainError';

describe('LapTime', () => {
  describe('create', () => {
    it('should create a LapTime with valid non-negative number', () => {
      const lapTime = LapTime.create(120.5);
      expect(lapTime.toNumber()).toBe(120.5);
    });

    it('should create with zero', () => {
      const lapTime = LapTime.create(0);
      expect(lapTime.toNumber()).toBe(0);
    });

    it('should throw error for negative number', () => {
      expect(() => LapTime.create(-1)).toThrow(RacingDomainValidationError);
    });

    it('should throw error for NaN', () => {
      expect(() => LapTime.create(NaN)).toThrow(RacingDomainValidationError);
    });
  });

  describe('toNumber', () => {
    it('should return the number value', () => {
      const lapTime = LapTime.create(95.2);
      expect(lapTime.toNumber()).toBe(95.2);
    });
  });

  describe('equals', () => {
    it('should return true for equal lap times', () => {
      const lt1 = LapTime.create(100.0);
      const lt2 = LapTime.create(100.0);
      expect(lt1.equals(lt2)).toBe(true);
    });

    it('should return false for different lap times', () => {
      const lt1 = LapTime.create(100.0);
      const lt2 = LapTime.create(101.0);
      expect(lt1.equals(lt2)).toBe(false);
    });
  });
});