Schrödinger's Code

submitted by Jerry on PieFed

feddit.online/static/media/posts/u1/Sh/u1Sh4zPz…

Code that has been written, but not tested, and is in a state of neither  working or failing until it is observed
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Its just a syso with Loren ipsum but it generates enough output to blow up your PCs RAM

*...haven't updated my Arch systems in a while.*

Works on my machine.

I frequently had to test other developer's code, the fucking amount of times I heard that shit.

"Your code ain't working"

"It's working for me"

"Well it isn't working for me, did you actually test it"

"Yes"

"On anything else than your own PC?"

"It was working fine for me"

"It fucking isn't, look!"

"..huh"

For fuck sake just take like 1 minute to press on a frikking button to see if it actually does work.

Glad I'm not doing that shit anymore.

Im my defense, I did test it. It was working for me.

But then someone else touched it without understanding it or flipped the truth value returned by one of the functions used by my code without properly fixing the call sites.

Edit: or they had a merge conflict and they don’t know how to correctly resolve those.

That's why they invented docker

If it hasn't been tested, it's broken.

Meh. Pedant time.

The first step of every testcase is supposed to fail to ensure a testing framework *can* fail in the scope of the testcase. In practice nobody acknowledges this, much less incorporates it.

Without, one is forced to concede that the test environment is not sane—and, therefore, no case under test is certifiable—because it cannot be known, for certain, if failure was a possibility.

Nobody cares.

Nah haas, if the code is writ by me theres no way it works.

My God! It’s full of heisenbugs!

Reminds me of a joke. The purest functional code is the one that never runs