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Testing in Incremental Development

publish date: 2026/05/30 21:26:59.301641 UTC

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In an incremental approach to development, how should testing be organised?

An independent external team carries out all testing after each increment

Only acceptance testing is used — component and system testing are skipped

Testing is deferred until the final increment is complete and the full system is available

Each increment should be tested as it is developed, with tests based on the requirements for that increment

Correct Answer

Each increment should be tested as it is developed, with tests based on the requirements for that increment

Explanation

In an incremental approach, each increment should be tested as it is developed, with tests based on the requirements for that specific increment. In extreme programming, tests are even developed along with requirements before development starts.

Reference

Software Engineering, Ian Sommerville, 9th edition

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