public void AsString_ReturnsString() { var psi = new ProcessStartInfo { WorkingDirectory = @"C:\Program Files (x86)\Notepad++", FileName = "notepad++.exe", Arguments = @"C:\temp\1.bat" }; psi.AsString() .ShouldEqual( "File name: notepad++.exe\nArguments: C:\\temp\\1.bat\nWorking directory: C:\\Program Files (x86)\\Notepad++"); }