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Oh, you have 309 tests and 100% code coverage? That’s nice.

🤦‍♂️

@aral Just because you run through every line of code while testing, doesn't mean at all these are bug free. Most tests in TDD are positive tests ("Putting A into function B results in behaviour C"), confining undefined behaviour especially in dynamicly typed languages, is a very different beast :D

The simple line:

result = input + 1

in JS has some many potential results, that you have to cover this line multiple times :D