Discover the limitations of static analysis tools in software testing. Learn about their applicability to new and existing code, coding standards enforcement, and warning message generation. Prepare for the ISTQB CTFL certification exam with this expert-curated question and answer.
Table of Contents
Question
Which of the following correctly states a limitation in the use of static analysis tools?
A. Static analysis tools can be applied to new code but cannot be applied to existing code
B. Static analysis tools can be used to enforce coding standards
C. Static analysis tools always generate large numbers of warning messages when applied to new code, even if the code meets coding standards
D. Static analysis tools do not generate warning messages when applied to existing code
Answer
C. Static analysis tools always generate large numbers of warning messages when applied to new code, even if the code meets coding standards
Explanation
Static analysis tools can be applied to both new and existing code, making options A and D incorrect. While static analysis tools can be used to enforce coding standards (making option B correct), it is not a limitation.
The correct limitation is stated in option C. Static analysis tools tend to generate a large number of warning messages when applied to new code, even if the code adheres to the established coding standards. This occurs because static analysis tools are highly sensitive and can flag potential issues that may not necessarily be problematic or violate coding standards.
Developers and testers must carefully review and prioritize the warning messages generated by static analysis tools to identify genuine issues that require attention while filtering out false positives. Fine-tuning the tool’s configuration and gradually incorporating it into the development process can help manage the volume of warnings and improve its effectiveness.
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