Path coverage

Term

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Definition

Choosing test data so every path through the code (each branch and loop) runs at least once.

Example: Include one value that makes the IF true and one that makes it false.

Found in: syllabus.

Where you'll use it in the test

Syllabus area: Y11 Programming Fundamentals.

Question types it can appear in

Short answer: Define, outline or explain it and tie it to the scenario.
Matching or table: Match it to its description, example or category.
Multiple choice: Pick the option that matches the definition or example.

Where it has appeared in the paper

The Software Engineering Project (Part C). Part letters follow each paper’s own layout.

How to use it

A model sentence

General advice, built from the definition and example above

“Choosing test data so every path through the code (each branch and loop) runs at least once.” Then apply it: Include one value that makes the IF true and one that makes it false.

In a short answer, give the definition in your own words first, then tie it to the situation in the question. Do not copy the example above unless it fits the scenario.

Command words used with it

General advice

No linked question shows the command word for this term. Across the past short answer questions in this bank the words used most are: Explain, Outline, Describe, Compare, Classify, Analyse. Check the actual word in your question.

Official worked answer

Familiarisation Q5 (3 marks): Testing (test data) (3 marks): official criteria and sample answer

Criteria

3: Test data that thoroughly tests the algorithm, with expected outputs and reasons for inclusion. 2: Tests most boundaries and/or paths, with most expected outputs and reasons. 1: Some relevant information.

Sample answer

85 -> H (testing greater than 80). 80 -> H (boundary value 80). 60 -> P (between 50 and 80). 50 -> P (boundary value 50). 45 -> N (testing 'otherwise', below 50).

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Go deeper

Flashcard: Path coverage in Programming Fundamentals (Year 11) · study that set
Memorise: Testing and code quality (Year 11)
Notes: Quality assurance, testing methods and test data (The Software Engineering Project (Year 12))
Notes: Testing and code quality (Year 11) (Year 11 content (Programming fundamentals, OOP, Mechatronics))
Full term page: every question, note and marking comment for Path coverage

Check yourself

Explain “Path coverage” in one sentence, give an example, and name a question type that could test it.

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