Boris Beizer Quotes

• Testing proves a programmer’s failure. Debugging is the programmer’s vindication.

  Boris Beizer

  Debugging, Testing, Prove

  Boris Beizer (1990). “Software Testing Techniques”, Van Nostrand Reinhold Company

  48 Copy quote

• A design remedy that prevents bugs is always preferable to a test method that discovers them.

  Boris Beizer

  Design, Tests, Bugs

  Boris Beizer (1990). “Software Testing Techniques”, Van Nostrand Reinhold Company

  37 Copy quote

• A test that reveals a bug has succeeded, not failed.

  Boris Beizer

  Tests, Bugs

  Boris Beizer (1990). “Software Testing Techniques”, Van Nostrand Reinhold Company

  26 Copy quote

• A good threat is worth a thousand tests.

  Boris Beizer

  Tests, Bugs, Programming

  Boris Beizer (1990). “Software Testing Techniques”, Van Nostrand Reinhold Company

  15 Copy quote

• More than the act of testing, the act of designing tests is one of the best bug preventers known.

  Boris Beizer

  Design, Tests, Bugs

  Boris Beizer (1990). “Software Testing Techniques”, Van Nostrand Reinhold Company

  9 Copy quote

• One of the saddest sights to me has always been a human at a keyboard doing something by hand that could be automated. It's sad but hilarious.

  Boris Beizer

  Sight, Hands, Keyboards

  Boris Beizer (1995). “Black-Box Testing: Techniques for Functional Testing of Software and Systems”, Wiley

  8 Copy quote

• If you can't test it, don't build it. If you don't test it, rip it out.

  Boris Beizer

  Rip, Tests, Bugs

  7 Copy quote

• Second law: The complexity barrier. Software complexity (and therefore that of bugs) grows to the limits of our ability to manage that complexity.

  Boris Beizer

  Law, Limits, Bugs

  Boris Beizer (1990). “Software Testing Techniques”, Van Nostrand Reinhold Company

  8 Copy quote

• If the objective of testing were to prove that a program is free of bugs, then not only would testing be practically impossible, but it would also be theoretically impossible.

  Boris Beizer

  Bugs, Impossible, Program

  7 Copy quote

• Bugs lurk in corners and congregate at boundaries.

  Boris Beizer

  Bugs, Boundaries, Programming

  Boris Beizer (1990). “Software Testing Techniques”, Van Nostrand Reinhold Company

  4 Copy quote

• Software never was perfect and won't get perfect. But is that a license to create garbage? The missing ingredient is our reluctance to quantify quality.

  Boris Beizer

  Perfect, Missing, Quality

  Boris Beizer (1990). “Software Testing Techniques”, Van Nostrand Reinhold Company

  7 Copy quote

• First law: The pesticide paradox. Every method you use to prevent or find bugs leaves a residue of subtler bugs against which those methods are ineffective.

  Boris Beizer

  Law, Use, Pesticides

  8 Copy quote

• Extra features were once considered desirable. We now recognize that 'free' features are rarely free. Any increase in generality that does not contribute to reliability, modularity, maintainability, and robustness should be suspected.

  Boris Beizer

  Doe, Reliability, Increase

  Boris Beizer (1990). “Software Testing Techniques”, Van Nostrand Reinhold Company

  12 Copy quote

• In programming, it’s often the buts in the specification that kill you.

  Boris Beizer

  Programming, Specifications

  Boris Beizer (1990). “Software Testing Techniques”, Van Nostrand Reinhold Company

  4 Copy quote

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