Structural coverage analysis for any code is a very common approach to measure the quality of any test suit. Structural coverage determines which structure of the software or which portion is not exercised. This chapter describes two different phases to achieve structural coverage analysis using DO-178B/C standards. Statement coverage is the very basic coverage criteria which involves execution of all the executable statements in the source code at least once. Analysis of structural coverage can be done by capturing the amount of code that is covered by the airborne software. The first phase contains the instrumentation procedure which instruments the source code at execution time, and the second phase is generating a report that specifies which portion of source code is executed and which one is not in the form of a percentage.

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