InternalsVisibleTo attribute isn't working

Question

I am trying to use the InternalsVisibleTo assembly attribute to make my internal classes in a .NET class library visible to my unit test project. For some reas

Answer 1

Applies only if you like to keep unsigned assemblies as unsigned assembly (and don't want to sign it for several reasons):

There is still another point: if you compile your base library from VS.Net to a local directory, it may work as expected.

BUT: As soon as you compile your base library to a network drive, security policies apply and the assembly can't be successfully loaded. This again causes VS.NET or the compiler to fail when checking for the PublicKey match.

FINALLY, it's possible to use unsigned assemblies: https://msdn.microsoft.com/en-us/library/bb384966.aspx You must ensure that BOTH assemblies are NOT SIGNED And the Assembly attribute must be without PublicKey information: