Hah. This bit me once when a tester worked on my SQL server .NET app. As .NET supports dates before 1753 but sql server does not. Presumably because the origina

Hah. This bit me once when a tester worked on my SQL server .NET app. As .NET supports dates before 1753 but sql server does not. Presumably because the original sybase devs didn’t want to add logic to deal with it. First time a unit not integration test bit me as the first thing the tester did was try year 1. Unit tests for that worked perfectly, and I who had been confident at that point learnt a lesson about hubris.