public void Basic_file_Encryption() { String fileName = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString()); _sut.SaveFile(fileName, "This is content", false, true); var content = File.ReadAllText(fileName); Assert.That(content, Is.Not.EqualTo("This is content")); content = _sut.GetFileContent(fileName, true); Assert.That(content, Is.EqualTo("This is content")); }