Fault injection is a proven method for subjecting the software especially of safety-critical applications to documented tests. For a proven 100% statement coverage, error situations in defensive programming can now be tested completely automatically in TESSY with the help of the "Fault Injection" technique without changing the source code.
Fault injections are created based on un-reached branches of the function flow graph eg: endless loops, read-after-write functionality. In regression testing, fault injections are automatically placed in the correct location in the source code even after code changes.
Fault Injection testing technique aids in understanding how [virtual/real] system behaves when stressed in unusual ways.
Mrs. Shashi Nag,
Senior Software Engineer, Razorcat GmbH, Germany.
02:00 PM (IST)
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