Building a safe and secure embedded world

Test Case Specification

The Classification Tree Method

The Classification Tree Method is a systematic approach to test planning. This method transforms a problem specification into a set of error-sensitive, low-redundancy test case specifications. The Classification Tree Editor CTE is a tool to support the Classification Tree Method. CTE is integrated in the module/unit testing tool TESSY.

The Classification Tree Method addresses questions like

  • How many tests should be run?
  • What test data should be used?
  • How can redundant test cases be avoided?
  • Have any test cases been overlooked?
  • When is it safe to end testing?

The objective of the Classification Tree Method is to determine a sufficient but minimum number of test case specifications. CTE originates from the former software technology laboratory of Daimler-Benz in Berlin, Germany.

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