https://www.fincher.org/tips/General/SoftwareEngineering/UnitTesting.shtml
UnitTesting
unittesting
https://learn.microsoft.com/en-us/dotnet/api/microsoft.visualstudio.testtools.unittesting.stringassert?view=mstest-net-4.1
StringAssert Class (Microsoft.VisualStudio.TestTools.UnitTesting) | Microsoft Learn
classmicrosoftvisualstudiounittestinglearn