O-LevelComputer ScienceProgramming2210/22 · Oct/Nov 2021 · Q36 Marks
A program checks that the data entered is between 1 and 100 inclusive. Identify one piece of normal, extreme and erroneous test data for this program, and give a reason for each.
- A program checks that the data entered is between 1 and 100 inclusive. Identify one piece of normal, extreme and erroneous test data for this program, and give a reason for each. Normal test data Reason Extreme test data Reason Erroneous test data Reason[6]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2021). The mark or mark type is shown in brackets.
- One mark per bullet point
- Normal test data
- • Test data e.g. 50 (allow any number between 1 and 100 inclusive)
- • Reason Data that is within range and should be accepted
- Extreme test data
- • Test data 100 / 1
- • Reason Data at the maximum / minimum end of the range and should be accepted
- Erroneous test data
- • Test data e.g. 300 (allow anything that isn't between 1 and 100 inclusive, including other data types)
- • Reason Data outside the range that should be rejected
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