Section 15.8. Exercises

15.8. Exercises

Write tests for the following situations.

1. A transaction may be canceled even when nothing has happened.

2. A transaction may be completed even when nothing has happened.

3. A partial payment may be made in a transaction, but the transaction cannot be completed until the rest of the payment is made.

4. A partial refund may be made in a transaction in which a payment has been made. The transaction cannot be canceled until the rest of the refund is made.

5. An overpayment is not permitted in a transaction.

6. An overrefund is not permitted in a transaction.

7. A negative payment, or refund, is not permitted.

8. A negative count, or time period, is not permitted in a rent action in a transaction.