Testing Computer Software phần 5 pptx

... types of test planning. 110 END OF A TESTING CYCLE At the end of each cycle of testing, issue the Testing Cycle Complete report (Figure 6.4). A testing cycle includes all tests of one version ... analysis • Testing state transitions • Testing race conditions and other time dependencies • Doing error guessing It considers a class of automation techniques called function eq...

Ngày tải lên: 06/08/2014, 09:20

... too much testing and thus for unnecessary schedule delays. Managers of other projects may protest that there is too little testing, and will work with you to increase the amount of testing by ... test plan and the various other documents we create in the process of testing a product. 1 95 183 Figure 12 .5 Examples of components of test planning documents Lists List of...

Ngày tải lên: 06/08/2014, 09:20

... estimates that the typical company spends 5 to 10 cents of every quality cost dollar on prevention, another 20 to 25 cents on appraisal, and the remaining 65 to 75 cents on internal and external failure ... before testing is halted. Intense planned testing Choose an area of the program and concentrate on it. As testing continues, you'll spend more time on guerrilla raids...

Ngày tải lên: 06/08/2014, 09:20

... the digits in 57 to get 75, the program would accept as digits all characters with ASCII codes between 48 and 75. A test with any character whose ASCII code was between 58 and 75 would reveal ... programmer said greater than 58 instead of greater than or equal to 58 (same thing as greater than 57 ), the program will misclassify one character only, the colon : (ASCII code 58 )....

Ngày tải lên: 06/08/2014, 09:20

... to 5) (c) A 2. B and C = 5 (SOMETHING is not done, D is set to 5) (d) A i_ B and C 4 5 (SOMETHING is not done, D is set to 5) The programmer can execute all three lines of code by testing ... the main cost component of software. Testing is the second most expensive activity, accounting for 45% ( 15/ 33) of the cost of initial development of a product. Testing also ac...

Ngày tải lên: 06/08/2014, 09:20

... Someone talking about regression testing after bug fixing often means both. BUCK BOX TESTING When coding is finished, the program goes to the Testing Group for further testing. You will find and ... While early in testing you might accept revised versions every few hours or days, it's common to test one version thoroughly before accepting the next for 56 Final acceptance...

Ngày tải lên: 06/08/2014, 09:20

... single-user database sits on one computer in the Testing offices. Everyone enters reports at this computer and runs reports from it. Only testers have direct access to the computer, perhaps only some ... Try this a few times before giving up. Try slowing the computer down or testing on a slower machine. FORGOTTEN DETAILS If you're testing on the fly (i.e., without a test...

Ngày tải lên: 06/08/2014, 09:20

... with numbers between 0 and 65, 5 35 and repeat their sequence every 65, 536th number. These are unacceptable. We can't go into the subtleties of creating and testing RNGs in this book. Kaner ... the software& apos;s design has frozen.) 159 High-powered, expensive systems along these general lines are available for testing personal computers. These are improving quickly—chec...

Ngày tải lên: 06/08/2014, 09:20

... might be experienced with computers (a programmer, manager, or hardware or software support technician) or he might be a computer novice. In either case, he has no testing experience and probably ... with 80 and 81 bytes. If the program is enhanced to deal with 256 bytes, the old tests are obsolete. Now you want to try 256 - and 257 -byte streams. State explicitly that the test assume...

Ngày tải lên: 06/08/2014, 09:20

... Quality Control, P.O. Box 30 05, Milwaukee, Wisconsin, 53 201 -30 05, 800- 248-1946, or order the ASQC Quality Press book catalog (800- 952 - 658 7). Pick up meeting management techniques from Doyle ... reading of software test books. Deming (1982), Feigenbaum (1991), Ishikawa (19 85) , and Juran (1989) are important books. Join the American Society for Quality Control, P.O. Box 30 05,...

Ngày tải lên: 06/08/2014, 09:20