public void invalidCharReturnsInvalidDir() { var info = A.Fake <ServerConnectionInformation>(); var server = A.Fake <FTPTestWrapperAbstract>(); info.UserName = "******"; info.PassWord = "******"; info.ServerName = "ftp://localhost"; FtpWebResponse a = null; CreateRemoteDirectory crd = new CreateRemoteDirectory(info); bool test = crd.validDir("hello,this|is<not>valid"); Assert.IsFalse(test); }