Which of the following statements about testing are always true. A. If a test fails, there must necessarily be a defect in the executed code. B. If a test passes, there cannot be a defect in any code executed by the test, but there could be a defect elsewhere in the function. C. If a test is unsound, that test passing or failing doesn't tell us whether or not a defect exists. D. All of the above are true
Which of the following statements about testing are always true. A. If a test fails, there must necessarily be a defect in the executed code. B. If a test passes, there cannot be a defect in any code executed by the test, but there could be a defect elsewhere in the function. C. If a test is unsound, that test passing or failing doesn't tell us whether or not a defect exists. D. All of the above are true
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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![Which of the following statements about testing are always true.
A. If a test fails, there must necessarily be a defect in the executed code.
B. If a test passes, there cannot be a defect in any code executed by the test, but there could be a defect elsewhere in the function.
C. If a test is unsound, that test passing or failing doesn't tell us whether or not a defect exists.
D. All of the above are true](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8f8149c8-eddc-413d-9cd1-3019171cd65e%2F8af61dde-70a7-4235-a07a-ba5e3898b6c1%2Fk0i4qyn_processed.png&w=3840&q=75)
Transcribed Image Text:Which of the following statements about testing are always true.
A. If a test fails, there must necessarily be a defect in the executed code.
B. If a test passes, there cannot be a defect in any code executed by the test, but there could be a defect elsewhere in the function.
C. If a test is unsound, that test passing or failing doesn't tell us whether or not a defect exists.
D. All of the above are true
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