Software Testing Lecturer Video, by James Batch

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Software Testing Lecturer video by James Batch



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What is LCSAJ Testing?

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LCSAJ testing requires a model of the source code which identifies control flow jumps (where control flow does not pass to a sequential statement). An LCSAJ (Linear Code Sequence and Jump) is defined by a triple, conventionally identified by line numbers in a source code listing: the start of the linear code sequence, the end of the linear code sequence, and the target line to which control flow is transferred. Test cases shall be designed to exercise LCSAJs. For each test case, the following shall be specified: - the input(s) to the component; - identification of the LCSAJ(s) to be executed by the test case; - the expected outcome of the test case.
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What is Syntax Testing?

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Syntax Testing uses a model of the formally-defined syntax of the inputs to a component. The syntax is represented as a number of rules each of which defines the possible means of production of a symbol in terms of sequences of, iterations of, or selections between other symbols. Test cases with valid and invalid syntax are designed from the formally defined syntax of the inputs to the component. Test cases with valid syntax shall be designed to execute options which are derived from rules which shall include those that follow, although additional rules may also be applied where appropriate: -   whenever a selection is used, an option is derived for each alternative by replacing the selection with that alternative; -   whenever an iteration is used, at least two options are derived, one with the minimum number of iterated symbols and the other with more than the minimum number of repetitions.   A test case may exercise any number of options.   For each test case the
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ISTQB Dumps, Exam Paper 12: ISEB ISTQB Foundation Software Testing

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1. Which of the following statements contains the correct use of the terminology? a) a fault by a person may introduce an error into the software that may cause a failure in operation b) a failure by a person may introduce a fault into the software that may cause an error in operation c) an error made by a person may introduce a fault into the software that may cause a failure in operation d) an error made by a person may introduce a failure into the software that may cause a fault in operation e) a failure by a person may cause an error in the software that may cause a fault in operation 2.   A reliable system will be one that: a) is unlikely to be completed on schedule b) is unlikely to cause a failure c) is likely to be fault-free d) is likely to be liked by the users e) includes a minimum number of components 3.   Which of the following statements about ‘Integration Testing in the Small’ is false? a) It can combine all the components together in one go
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