??? The degree to which
??“ Specifications are shown to be testable and tested.
??“ The safety of the system as a whole can be tested.
??“ The tests show the system can detect failure.
??“ Software is reused and the testing of that software in a new environment.
??? How the safety analysis has contributed to the test definition (ensure you have a process model)
and how this justifies the test objectives, and the extent to which they can be shown to be adequate.
??? The integrity level of the test tools being used.
??? How the test process
??“ Has contributed to the safety case throughout the phases of the project. See [Kelly 2] for an
interesting discussion of the generic arguments which will need to be satisfied by testing.
??“ Demonstrates correctness of the arguments proposed by the design team.
??“ Demonstrates the system??™s safety in the face of a threat of catastrophic events.
??“ Covers hardware/software interfaces.
??“ Covers the commissioning and training processes.
7 The safety records log includes the results of hazard analyses, modeling reports, and the results of checking the
formal arguments.
The Test Team and Its Context 183
The Independent Safety Advisor will conduct audits and reviews looking for evidence both of compliance
and non-compliance with the standards your project is following.
9.7.4 Relations with QA
The internal quality assurance function of a company is concerned to:
??? Maintain and monitor the company quality management system.
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