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Run host-executable C tests and inspect results.

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Before you start

A native host compiler and tests compatible with the host runner.

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Workflow

Add test_*.c or *_test.c files, rescan in Test Runner and run tests. Review per-case failures and available coverage. Keep hardware-dependent tests separate unless a documented harness supplies the device behavior.

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Interpret the result

Host execution does not validate MCU timing, peripheral behavior or board wiring. A successful host test is one layer of validation. For an unexplained result, preserve the source/configuration and observation together. Use Diagnose a failure to turn it into a reproducible investigation. Check support boundaries before assuming a vendor-specific operation is implemented.