Quality Assurance Companies: When The Program Is Considered To Be Non-Compliant In The Standards
Your company can sign a contract in which the program must meet certain standards. Testing and quality assurance companies are tasked with evaluating the product to verify its compliance with these standards. Programs that perform such tests are often homebrew software applications that are difficult to modify. Utilities, analyzing the program for compliance could report its following shortcomings:
Problems with portability. The program can use language extensions that are not compatible with other compilers, read or write data directly from certain regions of the memory or focus on new opportunities for I / O devices, that are not available for all systems.
Recursion. The program is called recursive if it contains a subroutine that calls itself. This technique is prohibited by some standards.
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The degree of nesting. The main program can call a subroutine which, in turn, – yet another routine, the one – another, etc. In the long haul, the subroutine that performs the desired operation, is called. How many calls should be made?? Is this number acceptable? Loops and conditional statements can be nested in a similar way. If a programming language allows you to define custom data types, how to determine the permissible variable relating to the type defined by another type which, in turn, defined by a different type, etc. How deep will one have to dig into the issue to find out about what data are really referred to??
Constants in the code. Assume that the program checks whether the input value is less than 6. Some programmers will really define a named constant, for example, MAXVAL, appoint a value of 6 to it and will use this name in the code to make comparisons. Others will be simply comparing the value entered with the number 6, placing it directly in the code. This second method is often banned. The disadvantage is that when changing the maximum value of 6 to any other number it will be necessary to search for and replace gears throughout the entire code – the comparison can be made not only in a single location. If we define a constant and place it at the very top of the code, then it will be much easier to find and change its value.
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