What is test coverage and how does it vary across programming languages?
Test coverage measures how much of your code is tested by automated tests. It varies by language due to different testing frameworks and practices.
Can you give examples of test coverage tools for popular languages?
Sure! For Java, there's JaCoCo; for Python, you can use coverage.py; and for JavaScript, Istanbul is popular.
How does test coverage impact software quality?
Higher test coverage generally indicates better-tested code, which can lead to fewer bugs and higher software quality.
Are there any downsides to focusing too much on test coverage?
Yes, excessive focus on coverage can lead to writing tests that don't effectively validate functionality, potentially giving a false sense of security.
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