Structure-Based Technique

Structure-Based Technique refers to a testing approach that involves deriving and selecting test cases through an analysis of the internal structure of a component or system. This technique is primarily concerned with understanding the architecture, code, or any other internal aspect of the software that is being tested. The goal is to ensure that all possible paths, branches, and conditions of the internal logic are adequately covered by tests. By focusing on the internal workings, testers can identify potential weak points or areas where defects are most likely to occur, leading to more robust and reliable software systems.

In practice, structure-based techniques may involve various methods such as statement testing, branch testing, path testing, and condition testing. These methods help testers systematically check each part of the software's internal structure to verify that it functions as intended. By doing so, it is possible to uncover defects that might not be evident through other testing approaches that focus on the software's external behavior or specifications. Structure-based testing is a critical component of a comprehensive testing strategy, ensuring thorough verification of the software's robustness from the inside out.