public void ReturnTrue_WhenCustomerIsDeleted()
{
CustomerBase customerBase = new CustomerBase();
customerBase.Add(new Customer("Joseph", 1329));
customerBase.Add(new Customer("Brigham", 8791));
Assert.IsTrue(customerBase.Delete(1329));
Assert.IsTrue(customerBase.Delete(8791));
Assert.IsTrue(customerBase.getListSize() == 0);
}
public void ReturnFalse_WhenCustomerIdDoesNotExist()
{
CustomerBase customerBase = new CustomerBase();
customerBase.Add(new Customer("Abraham", 8734));
customerBase.Add(new Customer("Lincoln", 9010));
Assert.IsFalse(customerBase.Delete(7777));
Assert.IsTrue(customerBase.getListSize() == 2);
}