What is the difference between branch coverage and statement coverage?
Branch coverage measures whether each possible branch from a decision point is executed, while statement coverage checks if each executable statement is run.
Why is branch coverage considered more comprehensive than statement coverage?
Branch coverage is more comprehensive because it ensures that all possible paths are tested, revealing potential issues that statement coverage might miss.
Can you give an example of how to calculate both coverages?
Sure! If you have a code block with 4 statements and 2 branches, statement coverage would be 100% if all statements are executed, but branch coverage would only be 100% if both branches are taken.
What tools can I use to measure these coverages?
You can use tools like JaCoCo for Java, Istanbul for JavaScript, and Coverage.py for Python to measure both branch and statement coverage.
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