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MCDC Testing
Modified condition/decision coverage (MC/DC) is a code coverage criterion used in software testing. Overview MC/DC requires all of the below during testing: #Each entry and exit point is invoked #Each decision takes every possible outcome #Each condition in a decision takes every possible outcome #Each condition in a decision is shown to independently affect the outcome of the decision. Independence of a condition is shown by proving that only one condition changes at a time. MC/DC is used in avionics software development guidance DO-178B and DO-178C to ensure adequate testing of the most critical (Level A) software, which is defined as that software which could ''provide (or prevent failure of)'' continued safe flight and landing of an aircraft. It is also highly recommended for SIL 4 in part 3 Annex B of the basic safety publication and ASIL D in part 6 of automotive standard ISO 26262. Additionally, NASA requires 100% MC/DC coverage for any safety critical software comp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Code Coverage
In computer science, test coverage is a percentage measure of the degree to which the source code of a program is executed when a particular test suite is run. A program with high test coverage has more of its source code executed during testing, which suggests it has a lower chance of containing undetected software bugs compared to a program with low test coverage. Many different metrics can be used to calculate test coverage. Some of the most basic are the percentage of program subroutines and the percentage of program statements called during execution of the test suite. Test coverage was among the first methods invented for systematic software testing. The first published reference was by Miller and Maloney in '' Communications of the ACM'', in 1963. Coverage criteria To measure what percentage of code has been executed by a test suite, one or more ''coverage criteria'' are used. These are usually defined as rules or requirements, which a test suite must satisfy. Basi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Test Case
In software engineering, a test case is a specification of the inputs, execution conditions, testing procedure, and expected results that define a single test to be executed to achieve a particular software testing objective, such as to exercise a particular program path or to verify compliance with a specific requirement. Test cases underlie testing that is methodical rather than haphazard. A battery of test cases can be built to produce the desired coverage of the software being tested. Formally defined test cases allow the same tests to be run repeatedly against successive versions of the software, allowing for effective and consistent regression testing. Formal test cases In order to fully test that all the requirements of an application are met, there must be at least two test cases for each requirement: one positive test and one negative test. If a requirement has sub-requirements, each sub-requirement must have at least two test cases. Keeping track of the link between ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wiley Online Library
John Wiley & Sons, Inc., commonly known as Wiley (), is an American multinational publishing company founded in 1807 that focuses on academic publishing and instructional materials. The company produces books, journals, and encyclopedias, in print and electronically, as well as online products and services, training materials, and educational materials for undergraduate, graduate, and continuing education students. History The company was established in 1807 when Charles Wiley opened a print shop in Manhattan. The company was the publisher of 19th century American literary figures like James Fenimore Cooper, Washington Irving, Herman Melville, and Edgar Allan Poe, as well as of legal, religious, and other non-fiction titles. The firm took its current name in 1865. Wiley later shifted its focus to scientific, technical, and engineering subject areas, abandoning its literary interests. Wiley's son John (born in Flatbush, New York, October 4, 1808; died in East Orange, New Jers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jonathan Bowen
Jonathan P. Bowen FBCS FRSA (born 1956) is a British computer scientist and an Emeritus Professor at London South Bank University, where he headed the Centre for Applied Formal Methods. Prof. Bowen is also the Chairman of Museophile Limited and has been a Professor of Computer Science at Birmingham City University, Visiting Professor at the Pratt Institute (New York City), University of Westminster and King's College London, and a visiting academic at University College London. Education Bowen was born in Oxford, the son of Humphry Bowen, and was educated at the Dragon School, Bryanston School, prior to his matriculation at University College, Oxford (Oxford University) where he received the MA degree in Engineering Science. Career Bowen later worked at Imperial College, London, the Oxford University Computing Laboratory (now the Oxford University Department of Computer Science), the University of Reading, and London South Bank University. His early work was on formal me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Springer Nature
Springer Nature or the Springer Nature Group is a German-British academic publishing company created by the May 2015 merger of Springer Science+Business Media and Holtzbrinck Publishing Group's Nature Publishing Group, Palgrave Macmillan, and Macmillan Education. History The company originates from a number of journals and publishing houses, notably Springer-Verlag, which was founded in 1842 by Julius Springer in Berlin (the grandfather of Bernhard Springer who founded Springer Publishing in 1950 in New York), Nature Publishing Group which has published '' Nature'' since 1869, and Macmillan Education, which goes back to Macmillan Publishers founded in 1843. Springer Nature was formed in 2015 by the merger of Nature Publishing Group, Palgrave Macmillan and Macmillan Education (held by Holtzbrinck Publishing Group) with Springer Science+Business Media (held by BC Partners). Plans for the merger were first announced on 15 January 2015. The transaction was concluded in May 2 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Formal Aspects Of Computing
''Formal Aspects of Computing'' (''FAOC'') is a peer-reviewed scientific journal published by Springer Science+Business Media, covering the area of formal methods and associated topics in computer science. The editors-in-chief are Jim Woodcock and Cliff Jones. The journal is associated with BCS-FACS, the British Computer Society ''Formal Aspects of Computing Science'' Specialist Group. According to the ''Journal Citation Reports'', the journal has a 2010 impact factor of 1.170. See also * ''Acta Informatica ''Acta Informatica'' is a peer-reviewed scientific journal publishing original research papers in computer science. The journal is known mostly for publications in theoretical computer science. One of the two 1988 papers awarded the Gödel Prize ...'' * '' Innovations in Systems and Software Engineering'' References External links * Publications established in 1989 Computer science journals Formal methods publications British Computer Society Springer Science+Bus ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Springer-Verlag
Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing. Originally founded in 1842 in Berlin, it expanded internationally in the 1960s, and through mergers in the 1990s and a sale to venture capitalists it fused with Wolters Kluwer and eventually became part of Springer Nature in 2015. Springer has major offices in Berlin, Heidelberg, Dordrecht, and New York City. History Julius Springer founded Springer-Verlag in Berlin in 1842 and his son Ferdinand Springer grew it from a small firm of 4 employees into Germany's then second largest academic publisher with 65 staff in 1872.Chronology ". Springer Science+Business Media. In 1964, Springer expanded its business internationall ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lecture Notes In Computer Science
''Lecture Notes in Computer Science'' is a series of computer science books published by Springer Science+Business Media since 1973. Overview The series contains proceedings, post- proceedings, monographs, and Festschrift In academia, a ''Festschrift'' (; plural, ''Festschriften'' ) is a book honoring a respected person, especially an academic, and presented during their lifetime. It generally takes the form of an edited volume, containing contributions from the ...s. In addition, tutorials, state-of-the-art surveys, and "hot topics" are increasingly being included. The series is indexed by DBLP. See also *'' Monographiae Biologicae'', another monograph series published by Springer Science+Business Media *'' Lecture Notes in Physics'' *'' Lecture Notes in Mathematics'' *'' Electronic Workshops in Computing'', published by the British Computer Society References External links * Publications established in 1973 Computer science books Series of non-fiction books ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Safety-critical System
A safety-critical system (SCS) or life-critical system is a system whose failure or malfunction may result in one (or more) of the following outcomes: * death or serious injury to people * loss or severe damage to equipment/property * environmental harm A safety-related system (or sometimes safety-involved system) comprises everything (hardware, software, and human aspects) needed to perform one or more safety functions, in which failure would cause a significant increase in the safety risk for the people or environment involved. Safety-related systems are those that do not have full responsibility for controlling hazards such as loss of life, severe injury or severe environmental damage. The malfunction of a safety-involved system would only be that hazardous in conjunction with the failure of other systems or human error. Some safety organizations provide guidance on safety-related systems, for example the Health and Safety Executive (HSE) in the United Kingdom. Risks of thi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sergiy Vilkomir
Sergiy A. Vilkomir (November 19, 1956 – February 9, 2020) was a Ukrainian-born computer scientist. Sergiy Vilkomir was born in 1956 in present-day Ukraine. He finished Mathematical College at the Moscow State University National Mathematical Boarding High School no. 18 (Head-Academician A. Kolmogorov, 1972–74), studied for an MSc degree in Mathematics and Mathematics Education at Kharkov State University (1974–79), and for a PhD degree at Kharkov Polytechnic Institute (1985–90). In Kharkiv, Ukraine, he then worked at the Ukrainian Polytechnic Institute (1979–82), the Central Institute of Complex Automation (1985–91), the Institute of Safety and Reliability of Technological Systems (1992–93), the Ukrainian State Scientific and Technical Centre on Nuclear and Radiation Safety (part of the Nuclear Safety Regulatory Authority of Ukraine, 1993–2000). His role included licensing and audits of computer-based safety systems at nuclear power plants. In 2000, Vilkomir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boolean Operator (computer Programming)
In computer science, a Boolean expression is an expression used in programming languages that produces a Boolean value when evaluated. A Boolean value is either true or false. A Boolean expression may be composed of a combination of the Boolean constants true or false, Boolean-typed variables, Boolean-valued operators, and Boolean-valued functions. Boolean expressions correspond to propositional formulas in logic and are a special case of Boolean circuits. Boolean operators Most programming languages have the Boolean operators OR, AND and NOT; in C and some languages inspired by it, these are represented by ", , " (double pipe character), "&&" (double ampersand) and "!" (exclamation point) respectively, while the corresponding bitwise operations are represented by ", ", "&" and "~" (tilde).E.g. for Java see . In the mathematical literature the symbols used are often "+" (plus), "·" ( dot) and overbar, or "∨" (vel), "∧" ( et) and "¬" ( not) or "′" (prime). Some lang ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Software Testing
Software testing is the act of examining the artifacts and the behavior of the software under test by validation and verification. Software testing can also provide an objective, independent view of the software to allow the business to appreciate and understand the risks of software implementation. Test techniques include, but not necessarily limited to: * analyzing the product requirements for completeness and correctness in various contexts like industry perspective, business perspective, feasibility and viability of implementation, usability, performance, security, infrastructure considerations, etc. * reviewing the product architecture and the overall design of the product * working with product developers on improvement in coding techniques, design patterns, tests that can be written as part of code based on various techniques like boundary conditions, etc. * executing a program or application with the intent of examining behavior * reviewing the deployment infrastructure a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
