Wednesday, November 18, 2009
Originally Published Friday, March 20, 2009
Much of the information about exploratory testing focuses on testing from an end-user perspective. Pundits of exploratory testing claim the approach is also useful from a white box test design approach, but I have yet to see any practical discussion or examples. But, professional testers use exploratory testing approaches all [...]
Wednesday, November 18, 2009
Originally Published Friday, March 06, 2009
In the book How We Test Software at Microsoft I discuss structural testing techniques. Structural testing techniques are systematic procedures designed to analyze and evaluate control flow through a program. These are classic white box test design techniques, although my friend and respected colleague Alan Richardson states in his [...]
Wednesday, November 18, 2009
Originally Published Tuesday, December 16, 2008
Something that raises red flags in my brain is hard-coded strings or test data in either a manual test or an automated test. Yes, I know that sometimes there are times when a test must be very prescriptive and use specific data and follow specific procedures, but I am absolutely [...]
Wednesday, November 18, 2009
Originally Published Saturday, December 06, 2008
This past year has been quite busy for me. Too busy. Besides trying to keep up with my busy teaching schedule, driving some key initiatives and collaborating on others, planning new course development for SDETS, I presented at 11 conferences around the world, wrote a few magazine articles, and [...]
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Wednesday, November 18, 2009
Originally Published Tuesday, November 04, 2008
At a recent conference a speaker posed a problem in which a field accepted a string of characters with a maximum of 32,768 bytes, then asked the audience what values they would use for boundary testing. Immediately some of the attendees unleashed a flurry of silly wild ass guesses [...]
Wednesday, November 18, 2009
Originally Published Tuesday, September 30, 2008
Last week I attended the Software Testing and Performance conference in Boston. I presented a workshop on Systematic Testing Techniques, as well as a talk on random test data generation, and combinatorial analysis. One way I continue to learn about our profession and increase my own knowledge is by going [...]
Wednesday, November 18, 2009
Published Thursday, August 07, 2008
Too often many tester’s mistakenly assume that functional techniques such as equivalence class partitioning, boundary value analysis, combinatorial analysis, etc. are simply "black-box" testing techniques. I suspect this rather narrow perspective of functional testing techniques is due to a lack of in-depth understanding of testing throughout the product lifecycle, and [...]
Wednesday, November 18, 2009
Originally Published Tuesday, March 11, 2008
This weekend on the flight from Seattle to Ireland I finally got to catch up on some reading. One of the books I grabbed off the shelf that I hadn’t gotten around to reading yet was Best Kept Secrets of Peer Code Review by Jason Cohen. The book is 160 [...]
Wednesday, November 18, 2009
Originally Published Wednesday, February 27, 2008
This morning I installed Vista SP1 onto my laptop. I was pretty excited about this release of Vista SP1 because it includes some pretty significant performance enhancements. But, as I was preparing to teach an internal course I came across a new boundary issue. I thought, how fitting this comes [...]
Friday, November 13, 2009
Originally Published Sunday, December 09, 2007
I just left Stockholm after spending a week there. That was my second visit to Stockholm and it is truly a remarkable city. I spoke at EuroStar which is the largest software testing conference in Europe, and had the opportunity to meet some old friends and colleagues as well as [...]