Defect Classes and the defect repository . Defect reports/analysis Functional Description Feature Feature interaction Interface description Requirement/Specification Defect Classes Algorithmic and processing Control, Logic, and sequence typographical data flow Data Module interface Code documentation External hardware, software Coding Defect Classes Defect Classes Severity Occurrences Defect Repository Algorithmic and processing Control, Logic, and sequence Data Module interface description External interface description Design Defect Classes Test Harness Test design Test procedure Testing Defect Classes Defect reports/analysis A Andrews - Software Engineering: Software Testing'06

Origins of defects Fault model Defect sources Lack of education Poor communication Oversight Transcription Immature process Impact of software artifacts Errors Faults / Defects Failures Impact from user’s view Poor quality software User dissatisfaction Fault model A Andrews - Software Engineering: Software Testing'06

Whoops, that’s my calculator Experiment participation. Compare Fault finding Unit test code inspection Two sessions 3-4 less total Full credit Exercise “Whoops, That’s my calculator” A Andrews - Software Engineering: Software Testing'06