based on:

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Begriff Erklärung
N-switch coverage The percentage of sequences of (N+1)-transitions that have been exercised by a test suite [Chow].
N-switch testing A form of state transition testing in which test cases are designed to execute all valid sequences of N+1 transitions [Chow]. See also state transition testing.
negative testing Tests aimed at showing that a component or system does not work. Negative testing is related to the testers’ attitude rather than a specific test approach or test design technique, e.g. testing with invalid input values or exceptions [after Beizer].
non-conformity Non fulfillment of a specified requirement [ISO 9000].
non-functional requirement A requirement that does not relate to functionality, but to attributes of such as reliability, efficiency, usability, maintainability and portability. See also quality objective.
non-functional test design techniques Procedure to derive and/or select test cases for nonfunctional testing based on an analysis of the specification of a component or system without reference to its internal structure. See also black box test design technique.
non-functional testing Testing the attributes of a component of system that do not relate to functionality, e.g. reliability, efficiency, usability, maintainability and portability.