Cases Quote by Glenford Myers

“Dijkstra once said, “Testing shows the presence, not the absence, of bugs.” In other words, a program can be proven incorrect by a test,…

— Robert C. Martin

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

— Boris Beizer

“But never being wrong is no proof that the method of testing is sound for all cases”

— Scott Adams

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

— Boris Beizer

Running the test suite like this allows us to catch problems when they are just introduced.

— Miguel de Icaza

Program testing can be used to show the presence of bugs, but never to show their absence!

— Edsger Dijkstra

Testing leads to failure, and failure leads to understanding

— Burt Rutan

The real value of tests is not that they detect bugs in the code but that they detect inadequacies in the methods, concentration, and…

— Tony Hoare

“Testing gathers information about a product; it does not fix things it finds that are wrong.”

— Gerald M. Weinberg

“Testing may convincingly demonstrate the presence of bugs, but can never demonstrate their absence."- Edsger W. Dijkstra, Computing Pioneer (1930–2002), "Programming as a discipline…

— Gerald M. Weinberg

The test is to recognize the mistake, admit it and correct it. To have tried to do something and failed is vastly better than…

— Dale Turner

Testing shows the presence, not the absence of bugs.

— Edsger Dijkstra