Download e-book for kindle: Concepts in User Interfaces: A Reference Model for Command by David Beech (eds.)

By David Beech (eds.)

ISBN-10: 0387167919

ISBN-13: 9780387167916

ISBN-10: 3540167919

ISBN-13: 9783540167914

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The predictability of the tests, which supports a means for conclusively assessing whether the SUT performed correctly or not. The controllability of the tests, which permits the test mechanism to provide inputs to the system and drive the execution through various scenarios and states to foster the need for systematic coverage of the SUT functionality. Observability of the system outputs that can lead to a decision as to whether the outputs are desirable (correct) or faulty. 2 Well-defined interfaces Coupled interfaces support direct controllability and observability for component complicate access to component and limit controllability that requires test inputs to be provided upstream Source: SW Productivity Consortium Fig.

Experimental technologies . Unknown requirements . . Small projects Short development time Changing requirements Strong customer influence . . . . Large projects Long development time Well-defined requirements Strong customer influence Many releases High maintenance costs Mission-critical applications Fig. 20 Software development methodologies compared The evolutionary approach is best for your project if: • • • • The initial release is good enough to keep stakeholders involved The architecture is scalable to accommodate future system growth The operational user organization can adapt to the pace of evolution The evolution dimensions are compatible with legacy system replacement.

New functionality: functions developed in the actual release Performance optimization: technical improvements to the current application and/or to standard software components Software patches: service packs to be implemented in the actual software release 7. Test data, scripts and documentation in relation to the test artifacts are test assets managed in the central test repository. A release flash template can be found in Chap. 10. 2 Information Life Cycle Data in the business world reflects basically relationships between partners, contracts, and products.

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Concepts in User Interfaces: A Reference Model for Command and Response Languages by David Beech (eds.)


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