Software testing is an IT field which encompasses testing services, efficient approaches to optimization and improvement to the quality and performance of different systems and applications, etc. In order to achieve these goals, the specialists run various types of testing.
Each testing type has its own characteristics, consists of a definite number of steps and is executed at a certain phase of SDLC. Besides, the choice of testing techniques depends on a particular software product subjected to the verification.
White box testing approach is worth considering. In this type, the specialist inspects internal workings or structures, components, and levels of the system. White box analysis requires excellent knowledge of programming languages but black box technique does not use special technical skills to verify outputs. The former primarily focuses on enhancing security, strengthening workflow inputs and workflow outputs through the app, usability, and design.
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It is often believed that white box and black box testing design techniques correspond to one another because these two types of verification help to ensure that hacker will be unable to get access to your application. But, black box testing is meant to validate product’s functionality without knowing how the code is implemented. On the contrary, white box testing method does not only check the code but also looks inside the product to understand how it works; the test cases are designed based on the information to be derived from the code. However, in order to get more accurate test results it is reasonable to combine these 2 techniques to cover code actions and specification.
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What are the steps taken to conduct white box testing?
- Examine how the system features are implemented. It is necessary to get a good grasp of internal structure and logic of the code being tested.
- Analyze the system’s behavior by looking for potential failure scenarios. One should identify all the aspects of the system which need to be tested.
- Determine input values and expected output in order to test the specified system’s behaviors.
- Execute test cases.
- Compare actual and expected test results.
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