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Muthupandian @muthugit
2020-08-17 2023-02-12

001 Testing shows the presence, not the absence

Dijkstra once said, “Testing shows the presence, not the absence, of bugs.” In other words, a program can be proven incorrect by a test, but it cannot be proven correct. All that tests can do, after sufficient testing effort, is allow us to deem a program to be correct enough for our purposes.