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CIS841

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Crib sheets ... The development and writing of the crib sheet must be your own work. ... The crib sheet(s) will be turned in with the exam. 6. 841f0intro1Aug21 ... – PowerPoint PPT presentation

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Title: CIS841


1
CIS841 Verification and Validation
  • Dr David A. Gustafson
  • dag_at_cis.ksu.edu
  • http//www.cis.ksu.edu/dag

2
Goals
  • Prepare students to be software testers and
    researchers in software testing. In particular,
    students should understand the current state of
    the art in software testing, be able to read and
    evaluate current literature in software testing,
    and be able to plan an effective testing effort.

3
Specific Goals of CIS841
  • understanding of software faults, failures,
    errors, and testing
  • knowledge of state-of-the-practice and
    state-of-the-art (current articles)
  • understanding of issues, terminology,
    foundations, and techniques
  • learning to read the literature

4
Conduct of Course
  • TU 930-1045 am
  • Discussions/Lectures
  • Homework
  • Exams
  • Read Syllabus
  • Read announcements

5
Crib sheets
  • For each exam, I will allow each student to bring
    in one (or more on the final) 8.5 by 11 sheets of
    paper, hand-written, both sides.
  • The development and writing of the crib sheet
    must be your own work. Do not show your
    cribsheet to others. Do not use someone elses
    cribsheet. Cribsheets that share too much to be
    original will be turned in the honor system.
  • The crib sheet(s) will be turned in with the
    exam.

6
Off Campus
  • Unless noted, due dates for off-campus students
    are the same as for on-campus students contact
    me if this is a problem
  • For in class work, email as soon as possible but
    definitely before next class (on-campus)
  • Including todays work
  • Turn in proctor information as soon as possible

7
Active Learning
  • TTYP
  • Venn Diagrams
  • Classification
  • Definitions
  • 1 minute paper
  • Meta-cognition

8
Exams cover
  • Lectures and Discussions
  • Homework
  • Articles and Readings
  • PreLecture Quizzes

9
Think not regurgitate
  • Quotes are someone elses thoughts, not your
    thoughts. When I see a quote on a students
    paper or exam, I am not sure if the student
    understood what was said in a quote.
  • Any quote must be acknowledged as a quote(e.g.
    ), referenced and explained.

10
Grading
  • two midterms (100-150 pts)
  • one final (200 pts)
  • Prelecture quiz (4-10 pts)
  • homework (10-20 pts)
  • due beginning of class (10 off)
  • 6 main tasks (30-100 pts)
  • Final paper (100 pts)
  • 90 of total points is an A, 80 is a B

11
Grade Information
  • will be available on kstate online
  • Online.ksu.edu

12
Availability of Lectures
  • world wide web
  • Powerpoint
  • Pre
  • Post
  • Tegrity video
  • Link from class web page below my webpage
  • www.cis.ksu.edu/dag

13
Articles
  • current information
  • sometimes unproven
  • different viewpoints
  • different styles, terminology, levels
  • little background information

14
How do you read an article?
  • My approach
  • Read abstract
  • Check refs
  • Read conclusions
  • Only then, read paper

15
Program X
int x, y char out cin gtgt x gtgt y out
A if (x lt y) out B if(x gt 10) out
C if (y lt 40) out D coutltlt out
16
TTYP1
  • Def Subdomain an area (subset) of the input
    domain such that all points in that subset are
    treated identically by the program.
  • Draw the x-y space (input domain) and find the
    subdomains. Label each subdomain with the
    output value returned.

17
Program Xfault1
int x, y char out cin gtgt x gtgt y out
A if (x lt y) out B if(x gt 10) out
C if (y lt 40) out D coutltlt out
18
TTYP2
  • Def failure set a subset of the input domain
    that displays the failure. That is, the external
    behavior of the program is different (incorrect)
    on points in that subset
  • Draw the failure set on the diagram of the x-y
    space.

19
For Thursday, Aug 23
  • Write a correct program in C that has two
    numeric inputs, and a deterministic output. E.g.
    area
  • Find 1) a fault that would be very easy to find,
    and 2) a fault that would be very hard to find.
    Estimate the number of the inputs that show each
    fault.
  • (a fault would be a change to something in the
    correct version that would make it produce the
    wrong output for some inputs)

20
1 minute paper
  • What questions about testing would you like to
    answer? Or be answered?
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