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Interesting so they don't teach testing by deliberately trying to break things, pasting Arabic text into an address field for example.

When testing NAPI like to use edge cases like the company with the longest name eg "Donaudampfschiffahrtsgesellschaft" or the Famous Welsh location "Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch"

I am pretty sure I crashed an A17 clearpath mainframe by doing aggressive testing

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This is the sort of input that you'd selectively pick in a unit test, too. What you don't do is also picking inputs like "llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch" too (all lowercase) :)

That's QA, not the sort of testing we are talking about. In case QA happens to find some bug like that, after the fix, we should include another test case with the formerly breaking one

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