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Traceability between test basis items and the test cases designed to cover them, makes it possible to determine which test basis items have been covered by the executed test cases.

Traceability between test basis items and the test cases designed to cover them, enables experience-based test techniques to be applied

Traceability between test basis items and the test cases designed to cover them, enables identification of which test cases will be affected by changes to the test basis items.

Traceability can be established and maintained through all the test documentation for a given test level, such as from test conditions through test cases to test scripts.

{TC 20; TC 30; TC 10; TC 40; TC 50; TC 70; TC 60; TC 80; TC 90}

{TC 10; TC 30; TC 20; TC 60; TC 40; TC 80; TC 90; TC 50; TC 70}

{TC 80; TC 70; TC 50; TC 60; TC 20; TC 30; TC 10; TC 40; TC 90}

{TC 60; TC 80; TC 40; TC 90; TC 50; TC 10; TC 70; TC 30; TC 20}

Achieving full statement coverage and full branch coverage for a software product means that such software product has been fully tested and there are no remaining bugs within the code 

Code-related white-box test techniques are not required to measure the actual code coverage achieved by black-box testing, as code coverage can be measured using the coverage criteria associated with black-box test techniques

Branch coverage is the most thorough code-related white-box test technique, and therefore applicable standards prescribe achieving full branch coverage at the highest safety levels for safety-critical systems

Code-related white-box test techniques provide an objective measure of coverage and can be used to complement black-box test techniques to increase confidence in the code