001package edu.pdx.cs.joy.di;
002
003/**
004 * A mock implementation of {@link CreditCardService}
005 */
006public class MockCreditCardService extends MockObject implements CreditCardService
007{
008    public CreditTransactionCode debit( CreditCard card, double amount )
009    {
010        shouldNotInvoke();
011        return null;  // dead code
012    }
013}