What Is Code Coverage and Why Is It Important?
Explore the concept of code coverage and discover how it measures the extent to which your tests exercise the code. Understand various coverage metrics such as line, branch, statement, and method coverage, and see how they help identify untested areas. Learn the difference between code coverage and test coverage to improve your testing strategy.
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Code coverage is a measure of how much code is executed or covered by tests. The primary purpose of code coverage analysis is to determine the effectiveness and completeness of a test suite in identifying and verifying defects in the given software.
Understanding code coverage
Code coverage is typically expressed as a percentage and provides the following insights:
Line coverage: This metric measures the percentage of the executable lines of code executed during testing. A line is considered covered if it’s executed at least once during the testing process. ...