public void ConvertFromDirectoryValueReturnsNullOnNullInput()
{
// Fixture setup
// Exercise system and verify outcome
DistinguishedName.ConvertFromDirectoryValue(null).Should().BeNull();
}
public void ExceptionShouldBeThrownForAttemptConvertValueInappropriateSyntax()
{
// Fixture setup
// Exercise system
Action call = () => DistinguishedName.ConvertFromDirectoryValue("non DN string");
// Verify outcome
call.Should().Throw <DirectoryServicesException>()
.WithMessage("Value 'non DN string' of type 'System.String' not suitable to syntax 'DNString' of directory property 'distinguishedName'.");
}