The 7 Testing Principles

ISTQB® Certified Tester Foundation Level

(Chap 1. Fundamentals of Testing)

  1. 01

    Testing shows the presence, not the absence of defects.

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  2. 02

    Exhaustive testing is impossible.

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  3. 03

    Early testing saves time and money.

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  4. 04

    Defects cluster together.

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  5. 05

    Tests wear out. (Pesticide Paradox)

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  6. 06

    Testing is context dependent.

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  7. 07

    Absence-of-defects fallacy.

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