public void StopService_WhenMachineNameIsNullOrEmpty_ThrowsArgumentExcpetion()
        {
            var ntServiceManager = new ScExeBasedNtServiceManager("c:\\", new TimeSpan(1));

              Assert.Throws<ArgumentException>(() => ntServiceManager.StopService(string.Empty, "serviceName"));
        }
        public void UninstallService_WhenServiceNameIsNullOrEmpty_ThrowsArgumentExcpetion()
        {
            var ntServiceManager = new ScExeBasedNtServiceManager("c:\\", new TimeSpan(1));

              Assert.Throws<ArgumentException>(() => ntServiceManager.UninstallService("machineName", string.Empty));
        }
        public void InstallService_WhenNtServiceDescriptorIsNull_ThrowsArgumentException()
        {
            var ntServiceManager = new ScExeBasedNtServiceManager("c:\\", new TimeSpan(1));

              Assert.Throws<ArgumentNullException>(() => ntServiceManager.InstallService("machineName", null));
        }