21 Portability Testing

ISO 9126 defines portability as relating to the ease with which software can be transferred into its intended environment, either initially or from an existing environment.

Portability quality characteristics are grouped by the ISO 9126 Quality Model [ISO 9126] into the following subattributes:

  • Adaptability
  • Installability
  • Replaceability
  • Co-existence/compatibility

In the sections that follow, each of these subattributes of portability is examined. Particular emphasis is placed on risks associated with poor software portability and effective testing strategies.

Terms used in this chapter

adaptability, co-existence, compatibility, installability, portability, replaceability

21.1 Adaptability

The environment in which a software ...

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