In which testing strategy is the encapsulated object or class considered the smallest unit for testing?
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Answer: A. Unit testing
Explanation
Unit testing evaluates the smallest testable software components such as individual classes or functions. Isolating encapsulated objects allows developers to verify internal logic without external dependencies. Focusing on the smallest units ensures foundational code correctness before broader system integration. Software testing is structured hierarchically from individual units up to complete system integration. Unit tests are typically written by developers using automated frameworks like JUnit or NUnit. Encapsulation in object-oriented programming makes individual classes natural boundaries for unit tests.
Developers run unit tests continuously during coding to catch logical regressions immediately. High unit test coverage gives teams confidence when refactoring complex object-oriented codebases. Isolating software components simplifies debugging when test assertions fail unexpectedly. Integration testing combines multiple units to verify that they communicate and work together correctly. System testing validates the complete integrated software product against original business requirements. Selecting none of the mentioned is incorrect because unit testing correctly identifies the smallest unit.
- Subject
- Computer Science
- Category
- Software Engineering
- Topic
- —
- Difficulty
- medium
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