Advanced Unit Testing, Part II - Core Implementation

using System;
using System.Collections;

namespace CaseStudy
{
	public class ChargeSlip
	{
		private string number;
		private PartsArray parts;
		private ChargesArray charges;

		public string Number
		{
			get {return number;}
			set {number=value;}
		}

		public int PartCount
		{
			get {return parts.Count;}
		}

		public int ChargeCount
		{
			get {return charges.Count;}
		}

		public void Add(Part p)
		{
		}

		public void Add(Charge c)
		{
		}

		public PartsArray Parts
		{
			get {return parts;}
		}

		public ChargesArray Charges
		{
			get {return charges;}
		}

		public ChargeSlip()
		{
			parts=new PartsArray();
			charges=new ChargesArray();
		}
	}

	public class ChargeSlipArray
	{
		private ArrayList chargeSlips;

		public ChargeSlip this[int index]
		{
			get {return chargeSlips[index] as ChargeSlip;}
		}

		public int Count
		{
			get {return chargeSlips.Count;}
		}

		public ChargeSlipArray()
		{
			chargeSlips=new ArrayList();
		}
	}
}