CS 256 Software Testing and Quality

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CS 256 Software Testing and Quality
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Class Information

• CSCI 256 Section 10 Software Testing Quality ,
  3.0 credits
• Is taught by Dave Christian In PHIL 111 on
  Monday , at 0710pm-0940pmCRN 83220
• From 09/13/04 To 12/08/04
• Web page with work and assignments
• http//pages.prodigy.net/dave_christian/
• Fill out the information sheet with name phones
  and email!

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Instructor Information

• Instructor Dave Christian
• Email dave_christian_at_prodigy.net
• Daytime Phone [phone]
• 5th year teaching the course, 10th year teaching
  software
• Many pleased students, still keep in contact me
• Am a Doctoral Student in GWU CS department
• Working as an engineer for 20 years for the
  government.

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Survey of Students

• Tell us a little bit about each other
• Networking Jobs, References?
• Why are you taking this class?
• What do you want to get out of this class?
• How will this class help you?

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Critical Points

• Each Assignment/Test/Project requires..
• Name, Phone, Email, Title of Assignment on title
  page and in Watermarkor returned to you.
• Writing is critical to any job you do, you all
  desperately need this skill if you do not have
  it.
• Assignments due on email to dave_christian_at_prodigy
  .net before class the day it is due.
• The class is structured more as research class
  with independent work that will provide the class
  with the latest in available trends and
  technology.
• Print slides, bring to class, mark them with
  notes.

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Class Information

• Assignments 20
• Class Participation and Attendance 10
• Project 30
• Midterm 20
• Final 20

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Student Information

• Send an email to dave_christian_at_prodigy.net with
• Name, email, phones
• Your reasons for taking the course
• How the the may help what your doing
• Read as much as you can before each class
• Try to find new Test material on the web
• College or commercial pages.
• We can add it to our sites.
• We are interested in automated testing as well.
• If you find useful material send the URL to us.
• Check our website regularly for new assignments.

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Why do we needsoftware testing?
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Why do we needsoftware testing?

• We want the software to work.

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Why do we need software testing?

• We want the software to work.
• Safety Issues - ICE Train, Boeing 777

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Why do we needsoftware testing?

• We want the software to work.
• Safety Issues - ICE Train, Boeing 777
• Economics

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Why do we needsoftware testing?

• We want the software to work.
• Safety Issues - ICE Train, Boeing 777
• Economics
• Failures dont answer questions
• Data Mining

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Recent Software Project Study

• Recent Study by Alex Van Lamswerde
• Studied 8000 Software Projects
• 50 were never completed
• 30 only partially completed
• 10 were completed with cost overruns
• 10 were on time, on budget, on schedule.
• The most common was cited as requirements.
• Growth, Misunderstanding, Unreachable