Software Reviews Walkthroughs and Inspections The standard technique

Software Reviews, Walkthroughs, and Inspections The standard technique to ensure quality in software development reviews 8 1

Question u What is the title of the chapter in which the material about software reviews is found? – A. SQA – B. Testing – C. Software Design reviews 8 2

Question u What do software reviews do to software? – A. correct – B. purify – C. disinfect – D. clarify reviews 8 3

Review – two definitions A formal, scheduled activity where a designer presents material about a design and a selected group of peers evaluates the technical aspects of the design. u The inclusive name for reviews, walkthroughs, and inspections u reviews 8 4

Types of Reviews u Reviews – – Requirement (SRR) Design (PDR, CDR) u Walkthroughs u Inspections – – reviews 8 Code Document 5

Walkthrough u. A formal, scheduled activity where a designer presents a design and traces the values of sample data through the design and a selected group of peers evaluates the technical aspects of the design. reviews 8 6

Inspection u. A formal, scheduled activity where a specialist checks a document for conformity with established standards (often corporate standards) reviews 8 7

540 -541 REVIEWS u Professionalism is graded on quality of effort, – professionalism, and – following standards u Materials in advance u Points will be taken off u TA and Instructor for not correcting serve as evaluators problems u Usually 50 minutes – reviews 8 be prepared be organized present good image u Team 8

Procedures for Reviews The evaluators prepare for the review by studying the prepared documents. u A formal report on the review is often required by management. u reviews 8 9

Conduct of Reviews 1 2 3 4 5 6 reviews 8 schedule review distribute materials prepare present discuss report 10

Rules for Reviews – – – – reviews 8 proper constructive attitude proper preparation proper environment no management participants should be participants producers should determine time distribute reports fast record all issues in public 11

Rules for Reviewers – – – reviews 8 prepare be friendly watch comments one positive comment, one negative raise issues, don't solve them – – – avoid style issues stick to standards stick to technical issues make certain that everybody understands do not evaluate producers 12

An Example Presentation 1 reviews 8 13

Purpose of Reviews u ensure quality through peer review u provide management visibility u encourage preparation reviews 8 14

Defect Amplification u Undetected defect “amplify” during subsequent phases u Figure 8. 2 - 8. 4 reviews 8 15

Peer Review u the primary function is to use the skill of a group of people to: – – reviews 8 1) identify needed improvements 2) certify correctness 3) encourage uniformity 4) enforce subjective rules 16

Management u secondary functions include: » » » reviews 8 1) communication 2) milestone 3) visibility to management 17

Progress u reviews 8 additional function (and not the least) is to force preparation of materials and specification (both meanings) of ideas. 18

Next Tuesday, 9/24/02 u Read about derived classes in C++ book u Stroustrup, ch 12 reviews 8 19