INF 115 Software Testing Exam Questions With Verified Answers

test case - Answer set value of inputs that cause a program to take some defined action with an expected output. Test suite - Answer collection of test cases test oracle - Answer mechanism for determining whether the actual behavior of a test case execution matches the expected behavior Validation vs Verification - Answer Validation is checking if specs match customer needs. Verification is verifying software meets specs. Mistake - Answer Human action that produces incorrect result Fault - Answer "a bug". An anomaly in source code that may lead to an error Error - Answer runtime effect of executing a fault which causes a deviation from correct behavior (taking incorrect path) Failure - Answer externally observable manifestation of an error. Why not test or fully prove for correctness - Answer costly, testing can only prove presence of bugs no absence Black vs White box Testing - Answer Black box (functional) ignores internal mechanisms of a system and focuses on outputs generated in response to selected inputs and execution conditions. White box Testing takes into account the internal mechanisms of a system or a component. Why do we test? - Answer We test to find the scarce amount of bugs programmers will write. ` What is exploratory testing? strengths? limitations? - Answer Type of testing that we all inherently already do. It is unscritped, unautomated, unrepeatable. Use human intelegence as your guide. You would use it to test code or software that is not suited for automated testing. What is acceptance testing? What forms can it take? - Answer Assessment whether agreed upon requirements are met. It is employed by checking the business contract between client and contractor. Forms include: smoke, user acceptance, end user, site, and field Smoke testing - Answer Exercise most major functionality, ensure everything looks OK. Basically checks if program compiles & runs given customer's environment Alpha and Beta Testing - Answer 2 levels of maturity of actual use of the early versions of software. pre realease to whole customer base.