Unverified50% confidenceFactExact time
Mutation testing works by automatically injecting small semantic changes into source code (mutants, such as changing > to >= or + to -), running the test suite, and counting how many mutants are 'killed'; surviving mutants indicate blind spots in the test suite's coverage.
1
Sources
50%
Confidence
Long-term
Relevance
10/2/2026
First Seen
Sources
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