9618 · 12.3
Program Testing and Maintenance flashcards
Revision flashcards for Cambridge 9618 Program Testing and Maintenance (syllabus 12.3). Flip, recall, then mark a real past-paper question.
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What is Black-box testing?
Testing the functionality of a program without seeing the internal code structure. It is based on the requirements and specifications. Also known as functional testing.
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What is White-box testing?
Testing the internal structure and logic of the code. The tester has access to the source code and tests specific pathways and conditions. Also known as structural testing.
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Define 'Normal' test data.
Data that is within the expected range and of the correct type, which should be accepted by the program.
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Define 'Boundary' test data.
Data that is at the very limits of the valid range, including the first and last valid values and the values just outside the valid range.
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Define 'Abnormal' test data.
Data that is of the wrong type or well outside the expected range, which should be rejected by the program.
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What is a Test Plan?
A formal document that outlines the testing strategy, including the scope, test cases, test data, expected outcomes, and schedule.
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What is Corrective Maintenance?
Fixing bugs or errors that are discovered after the software has been delivered to the user.
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What is Adaptive Maintenance?
Modifying the software to work in a new or changed environment, such as a new operating system or hardware.
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What is Perfective Maintenance?
Improving or enhancing the software by adding new features or improving performance, based on user feedback.
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What is Preventive Maintenance?
Making changes to the software to make it more maintainable and prevent future problems, such as code refactoring or updating documentation.
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What is Regression Testing?
Re-running tests after a change (like a bug fix or new feature) to ensure that the change has not introduced new errors or broken existing functionality.
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Common Trap: Is the value 101 boundary or abnormal data for a range of 1 to 100?
It is boundary data. It's the first value just outside the upper limit. Abnormal data would be something like 'abc' or 9999.