[After DO-178b]. If a document can be amended only by way of formal amendment procedure, then the test basis is called a frozen test basis. [Gerrard]. To know with the basic definitions of software testing and quality assurance this is the best glossary compiled by Erik van Veenendaal. [After IEEE 610, IEEE 1028]. Test Process Improvement (TPI): A continuous framework for test process improvement that describes the key elements of an effective test process, especially targeted at system testing and acceptance testing. safety: The capability of the software product to achieve acceptable levels of risk of harm to people, business, software, property or the environment in a specified context of use. test script: Commonly used to refer to a test procedure specification, especially an automated one. big-bang testing: A type of integration testing in which software elements, hardware elements, or both are combined all at once into a component or an overall system, rather than in stages. See also integration testing. A tool used by programmers to reproduce failures, investigate the state of programs and find the corresponding defect. [After IEEE 610]. decision outcome: The result of a decision (which therefore determines the branches to be taken). invalid testing: Testing using input values that should be rejected by the component or system. The degree of impact that a defect has on the development or operation of a component or system. [IEEE 610], configuration item: An aggregation of hardware, software or both, that is designated for configuration management and treated as a single entity in the configuration management process. It’s also synonymous with software. The process of testing to determine the compliance of component or system. [ISO 9126] See also portability. configuration auditing: The function to check on the contents of libraries of configuration items, e.g. efficiency: The capability of the software product to provide appropriate performance, relative to the amount of resources used under stated conditions. beta testing: Operational testing by potential and/or existing users/customers at an external site not otherwise involved with the developers, to determine whether or not a component or system satisfies the user/customer needs and fits within the business processes. An analysis method that determines which parts of the software have been executed (covered) by the test suite and which parts have not been executed, e.g. reliability test, usability test, regression test etc., and may take place on one or more test levels or test phases. This technique can be used for testing non-functional attributes such as reliability and performance. An integration test type that is concerned with testing the interfaces between components or systems. Testing performed to expose defects in the interfaces and in the interactions between integrated components or systems. Optimistic, vigorous, very active. See also portability. 100% condition determination coverage implies 100% decision condition coverage. [After Fenton]. A white box test design technique in which test cases are designed toexecute statements. Non fulfillment of a specified requirement. Start up disk - the disk containing system software and is designated to be used to start the computer. These tools are often used to support automated regression testing. Electronic Data Interchange, Internet). See also test item. A tool that support the test design activity by generating test inputs from a specification that may be held in a CASE tool repository, e.g. Valid and invalid transitions and graphs of load against response times test transaction measurement of stubs drivers! 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