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 or White the 1970s, 1980s and 1990s. In the UK, the single became the first single by an American to go into the singles chart at number one since 1960, when "It's Now or Never" by Elvis Presley did in the same manner. Around the world, "Black or White" hit number one in 20 countries, including the US, the UK, Canada, Mexico, Cuba, Turkey, Zimbabwe, Australia, New Zealand, Belgium, Denmark, Finland, France, Ireland, Israel, Italy, Norway, Spain, Sweden, Switzerland and the Eurochart Hot 100, number two in Germany and Austria and number three in the Netherlands. The single was certified platinum in