ITC-012_Modbus_ConfigWrite_Invalid_Handling

Verify invalid IF_ConfigUpdate payloads are rejected cleanly across Modbus-to-config interoperability boundary.

Execution

Field	Value
Status	pass
Test Type	interface_contract
Last Run At	2026-02-28T18:11:57Z
Last Runner	Dummy_Integration_Run

Preconditions

Invalid payload injection is available and baseline configuration snapshot is recorded before execution.

Procedure

Send malformed and out of range IF_ConfigUpdate payloads and verify rejection with unchanged active configuration.

Expected Result

Invalid contract payloads are rejected without unintended mutation and interoperability path remains stable for subsequent valid updates.

Traceability

Element Type	Referenced Elements
SW Unit Relations	SWR-020
SW Interfaces	IF_ConfigUpdate
SW Sequences	SEQ-004_Modbus_Event_Servicing
SW Timing Budgets	n/a