Suitable test data

Question 1

What is the purpose of testing with no data?

Answer 1

To check the special case of no data being entered

Question 2

What is erroneous data?

Answer 2

Data of the incorrect type should be rejected by a computer system.

Question 3

What is invalid data?

Answer 3

Data of the correct type but outside accepted validation limits.

Question 4

What is normal data?

Answer 4

Data which should be accepted by a program without causing errors.

Question 5

What is boundary data?

Answer 5

Data of the correct type which is on the edge of accepted validation limits.

Question 6

Give examples of test data for a car park ticket machine.

Answer 6

30-minute parking. 1-hour parking. 1 hour 30 minutes parking. Sunday parking. Evening parking past 7 pm. Parking before 9 am. Parking after 9 am. Parking during invalid open hours.