pre class="prettyprint">namespace Bank
{
  public class Account
  {
    private decimal balance;

    public void Deposit(decimal amount)
    {
      balance += amount;
    }

    public void Withdraw(decimal amount)
    {
      balance -= amount;
    }

    public void TransferFunds(Account destination, decimal amount)
    {
    }

    public decimal Balance
    {
      get { return balance; }
    }
  }
}</pre>
</div>

<p>Now let's write a test for this class - AccountTest. The first method we will test is