Computer Science · May / June 2022 · Paper 21 · Question 3
0478
As printed in the paper
The question as text
Give one piece of normal test data and one piece of erroneous test data that could be used to validate the input of an email address. State the reason for your choice in each case. Normal test data Reason Erroneous test data Reason [4]
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Normal test data
computerscience@cambridge.org.uk
Reason
this is a valid email address (containing the @ symbol) and should be accepted
Erroneous test data computerscienceisgreat
Reason
this is just a string, and should be rejected (as an email address needs a single ’@’)
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