$ bash -e -o pipefail -c npm test

> electrical-circuit-engine@2.0.0 test
> node --test tests/*.test.mjs

✔ seal-in circuit holds until stop and overload deenergize it (1.2756ms)
✔ mutually energized reversing coils trip the software interlock (0.176282ms)
✔ TON resets when its input falls (0.782375ms)
✔ rejects repeated members in an interlock (0.355069ms)
✔ rejects invalid contact identifiers before scanning (0.128381ms)
✔ internal PLC names never collide with declared signals (1.670307ms)
✔ feedback uses the previous scan and commits outputs after interlocks (0.389951ms)
✔ nested TON blocks execute their inputs before their parent (1.318995ms)
✔ rejects invalid identifiers and timer precision instead of emitting broken PLC code (0.277503ms)
ℹ tests 9
ℹ suites 0
ℹ pass 9
ℹ fail 0
ℹ cancelled 0
ℹ skipped 0
ℹ todo 0
ℹ duration_ms 51.718247

$ node src/cli.mjs examples/seal-in.json examples/inputs.json
{"scans":3,"final":{"sequence":3,"timestampMs":200,"coils":{"MOTOR":false},"transitions":[{"id":"MOTOR","energized":false}],"interlockTrips":[]},"events":[{"sequence":1,"timestampMs":0,"coils":{"MOTOR":true},"transitions":[{"id":"MOTOR","energized":true}],"interlockTrips":[]},{"sequence":2,"timestampMs":100,"coils":{"MOTOR":true},"transitions":[],"interlockTrips":[]},{"sequence":3,"timestampMs":200,"coils":{"MOTOR":false},"transitions":[{"id":"MOTOR","energized":false}],"interlockTrips":[]}]}