Software Testing Services Companies: Role of Programmer In The Product Development Process
An attitude of the programmer to his product is associated with the principles of egoless programming and cognitive dissonance.
Cognitive dissonance is the psychological principle that directs the actions of a person whose ideas about himself are most likely to never get a chance. A programmer who sincerely believes that his product embodies his own very self will not try to find any defects in it. On the contrary, he will do his best to prove that the program has no defects at all, even if it contains horrible errors.
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When such situation erupts, one should use egoless programming. Instead of being so secretive and putting forward arguments for his program, the programmer takes the opposite position: he openly invites other programmers to read and constructively criticize the product. When someone finds an error in his program, the programmer, of course, should not feel emotionally elevated after introducing an error in the program; his viewpoint is approximately as follows: “Oh, we have found a bug in our program! It is good that we found it now, not later! Let us learn from this mistake, and at the same time see if we find more bugs!!”
The programmer, who discovers an error in someone else’s program, does not scream: “Look at your stupid error!”, but says the following, namely asks himself: “I wonder if I introduced such an error in the module written by me?”
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When using the testing method:
The program or its module (a separate unit) is considered to be functionally correct if its run for a chosen set of tests yields correct results.
Thus, the management of software program is limited to selecting the right test suite where all the tests produce correct results which would guarantee the correct work of the program and the rest of the source data from the field specified in the task at hand.
To conduct benchmark test (controlled assessment) it is necessary to prepare or know benchmark results in advance, on the basis of which, after they are compared with the test results obtained, it would be possible to draw a conclusion regarding the program’s correctness in a given testing phase.
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