BS 7925-2 PDF

This BS article has very limited content, and this standard has now been superseded by ISO/IEC/IEEE – so what little is here, is obsolete anyway . BS – 2. Standard for Software Component Testing. Working Draft Date: 28 April produced by the. British Computer Society Specialist Interest. This paper covers both the development of BS and compliance with the finished standard. The process used to produce BS is described by.

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This working draft of the Standard replaces all previous versions. From this graph, or otherwise, a decision binary truth table representing the logical relationships between causes and effects is produced.

Each cause is expressed as a condition, which is either true of false i. Coverage items are sequences of one or more transitions between states on the model see 3.

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Careers and apprenticeships Equal opportunities Vacancies Apprenticeships. Each partition shall contain a set or range of values, chosen such that all the values can reasonably be expected to be treated by the component in the same way 77925-2.

Test cases shall be designed to exercise partitions. The control flow model for the component is derived and the location and category of variable occurrences on it identified. Services for libraries National interlibrary loan International interlibrary loan.


The history of the standard. The actual outcome shall be recorded.

BS 7925-2:1998

British Library Conference Proceedings Modified Condition Decision Coverage is only defined for components with one entry point. The input distribution normal, uniform, etc.

Accept bx continue Learn more about the cookies we use and how to change your settings. Decision Coverage is only defined for components with one entry point.

Test cases shall be designed to exercise values both on and next to the boundaries of the partitions. Branch Condition Combination Testing requires a model of the source code which identifies decisions and the individual Boolean operands within the decision conditions.

Data definition P-uses occur in the predicate portion of a decision statement such as while. Conformity to this Standard shall be by following the testing process defined in clause 2. This document may be copied in its entirety or extracts made if the source is acknowledged.

For the purposes of these coverage calculations a definition-use pair is defined as a simple subpath between a definition of a variable and a use of that variable and coverage is calculated using the formula: Other test measurement techniques may be used that are not listed in this clause. A simple subpath is a subpath through a component’s control flow graph where no parts of the subpath are visited more than necessary. A few members of the subgroup trialled this draft of the standard within their own organisations.

Much of 79925-2 feedback from this review 7925- that the approach to the standard needed re-consideration.


The coverage items are 7925- control flow subpaths from a variable definition to the variable’s corresponding p-uses, c-uses, or their combination.

The states of the model shall be disjoint, identifiable and finite in number.

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A working party was formed in January with a more formal constitution. This measure is defined with respect to the traversal of the set of subpaths from each variable definition to every c-use of that definition. Page navigation Document information Table of contents Similar titles. LCSAJ testing requires a model of the source code which identifies control flow jumps where control flow does not pass to a sequential statement.

Each test case shall be specified by defining its objective, the initial state of the component, its input, and the expected outcome. This shall include specific identification of all exceptions to the component test strategy and all software with which the component under test will interact during test execution, such as drivers and stubs.

Any alternative techniques used shall satisfy these criteria: You may find similar items within these categories by selecting from the choices below:. The input and output values are derived from the specification of the component’s behaviour. Standard Number BS