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Notes on tests, tools, and what I learned.
100 % line coverage, but bugs still escaped
I audited three of my own test suites. Line coverage was 100 %, yet most serious bugs came from real runs, not from tests. Mutation testing shows why.
Notes on tests, tools, and what I learned.
I audited three of my own test suites. Line coverage was 100 %, yet most serious bugs came from real runs, not from tests. Mutation testing shows why.