Software Quality Assurance by Laporte Claude Y. April Alain & Alain April

Author:Laporte, Claude Y.,April, Alain & Alain April
Language: eng
Format: epub
ISBN: 9781119312420
Publisher: John Wiley & Sons, Inc.
Published: 2017-11-23T00:00:00+00:00

V&V test documentation requirements

7.14 Limitations OF V&V

No technique can prevent all errors or defects. Regarding V&V, we note the following limitations [SCH 00]:

– Impracticability of testing all the data: for most programs, it is virtually impossible to try to review the program with all possible inputs, due to the multitude of possible combinations;

– Impracticability of testing all the branch conditions: for most programs, it is impractical to try to test all the possible execution paths of a software. This is also due to the multitude of possible combinations;

– Impracticability of obtaining absolute proof: there is no absolute proof of correctness of a software based system unless formal specifications can prove it to be correct and accurately reflect user expectations.

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