Coverage tools missed 23 bugs. Our tests caught them.
Test Validity
Confidence.
C# — Nov 2026
Generated software tests that verify actual bug detection through mutation scoring.
Prove test effectiveness, not just line coverage. Tests arrive as a reviewable pull request: secure isolated execution, no code or snapshots retained after a run. For every published unit, internal-integration, external integration and system test.
Zero flake by construction: unlike line-coverage metrics that ship meaningless assertions, mutation coverage captures what actually matters — whether tests catch real bugs. Runs on every pull request, climbs coverage where it counts, and catches regressions before merge.
How it works
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TestCoverNet writes valid tests
It works methodically through every code path, finds what's untested, and generates focused tests that are pushed to pull request for you review.
Terminate bugs on every Pull-Request
Coverage climbs, while bugs and regressions are caught before merge. Always on, no manual triggering.
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