test double

noun

An object or procedure that looks and behaves like its release-intended counterpart, but is actually a simplified version to reduce complexity and facilitate testing.

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Meanings

nountest double (plural test doubles)

plural test doubles

  1. computingAn object or procedure that looks and behaves like its release-intended counterpart, but is actually a simplified version to reduce complexity and facilitate testing.

    A test double is something that stands in for a real system when tests are being run. It comes from the idea of a double who stands in for the real actor when shooting a movie.

    2010, Ken Pugh, Lean-Agile Acceptance Test-Driven-Development, Pearson Education, →ISBN

Translations

Chinese Mandarin 測試替身 /测试替身
  • 測試替身 /测试替身 (cèshì tìshēn)object
Finnish testisijainen, testijäljitelmä
  • testisijainenobject
  • testijäljitelmäobject
Cite this entry
APA

test double. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/test%20double

MLA

“test double.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/test%20double. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “test double,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/test%20double.

Source: test double on Wiktionary, CC BY-SA 4.0.