White-box testing The real point is that tests are usually designed from an abstract structure such as the input space, a graph, or logical predicates, and the question is what level of abstraction we derive that abstract structure from. That can be the source code, requirements, input space descriptions, or one of dozens of types of design models. Therefore, the "white-box / black-box" distinction is less important and the terms are less relevant. In penetration testing, white-box testing refers to a methodology where a white hat hacker has full knowledge of the system being attacked. The goal of a white-box penetration test
Black and white village to finish the buildings in a black and white veneer. In earlier times, the oak would not have been stained, but retained its natural colour and the walls would have reflected the colour of the local clay, generally a pink colour, rather than a white whitewash lime. A 40-mile (64 km) circular tourist trail known as the "Black and White Village Trail" was developed in 1987 as a means of encouraging tourists to take a closer look at the Herefordshire villages, heritage and countryside. The trail was developed mainly for travel by car, but it is also possible to make