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4.10 Effectiveness of Path Testing

Statement and Branch testing that are being covered in Path testing are capable of finding 65% - 70% of all bugs in Unit Testing itself. However Path testing related testing criteria are very difficult address. Since it is quite time consuming and effort driven activities to cover all planned path testing to address statement coverage and branch coverage . Also successful completion of Path testing does not reveal any missing functionality wrong implementation. It is also not possible for path testing to deduct interface errors , database and data flow error and initialization errors. In addition path testing is unable to catch errors that might have occurred in control flow graph because of mistake of designer or any errors that might be existing in specifications.
 
 
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Arunkumar Khannur, Software Testing - Techniques and Applications, Published by Pearson Publications, 2011 (ISBN:978-81-317-5836-6; Pages:341 + xxii)
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