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Testing is Not Everything Yet

Class Specifications
Class Specifications

Errors found during testing should, on the one hand, please, on the other hand – grieve.  The reason for joy is one problem has been solved; the reason for sadness is the imperfection of our software development process. We are happy because we have learned how to improve the process and prevent similar problems in the future. We have been creating programs for about 40 years, and the most important lesson that we have learned is: “Do this as soon as possible!”

 

The earlier errors are found and corrected, the cheaper it is to correct them. The effort expended on error correction or prevention before the design begins is less than the effort expended on the same work during the design. The effort expended to find bugs before writing the code is less than the effort expended to cope with this task after writing the code. The effort spent on module testing is less than the effort spent on system testing, which in turn is less than the effort expended on the software after its installation. Here are some effective techniques that are not related to testing.

 

Creating a prototype. The prototype of the program is a truncated implementation that simulates the behavior of a program that the user needs; the purpose of this procedure is to give something tangible to the user so that he can tell us whether he will need what we create, whether he will buy it. The prototype does not really have to work and usually does not work. We create software for users. Involving them in the process as early as possible is an effective approach to avoid blunders. Software testing lab is a room where qa specialists conduct various analyses.

 

Requirements analysis. The requirements specify the design content. If the requirements are incompatible, then the design cannot be correct. Analysis of requirements means checking requirements for logical consistency, testability, ease of implementation. We cannot expect that the user will provide us with adequate requirements, since he does not know how to do this. We all would be like a car which, without polluting the environment, travels 100 kilometers per liter of water, carries 12 adults and is parked in a 3 x 2 m parking lot. We all would look like a Mercedes at the price of Fiat 500. Our goal as software developers is not to do the impossible and satisfy all the whims of users. Our goal is to create a product that meets its price.

 

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TestMatick

TestMatick is a leading provider of QA services.

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