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© 2008 Prentice Hall Business Publishing     Accounting Information Systems, 11/e    Romney/Steinbart

83 of 151

OBJECTIVE 4: COMPUTER PROCESSING

Processing test data

Involves testing a program by processing a hypothetical series of valid and invalid transactions.

The program should:

Process all the valid transactions correctly.

Identify and reject the invalid ones.

All logic paths should be checked for proper functioning by one or more test transactions, including:

Records with missing data.

Fields containing unreasonably large amounts.

Invalid account numbers or processing codes.

Non-numeric data in numeric fields.

Records out of sequence.

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