What is code coverage and how does it vary across programming languages?
Code coverage measures how much of your code is tested by automated tests. It varies by language due to different testing frameworks and tools.
Can you give examples of code coverage tools for popular languages?
Sure! For Java, there's JaCoCo; for Python, you can use coverage.py; and for JavaScript, Istanbul is a popular choice.
How do I interpret code coverage results?
Code coverage results are usually presented as a percentage. Higher percentages indicate more of your code is tested, but it's also important to consider the quality of the tests.
Is 100% code coverage necessary?
Not necessarily. While 100% coverage can indicate thorough testing, it doesn't guarantee that all edge cases are handled or that the tests are effective.
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