public void OnNavigatedToTest_FirstTo( )
        {
            var  frame = new Frame( );
            Page page  = null;
            NavigationEventArgs eventObject = null;

            frame.Navigated += (object sender, NavigationEventArgs e) => {
                page        = e.Content as Page;
                eventObject = e;
            };
            frame.Navigate(typeof(Page));

            SUTest navigation = new SUTest(page);

            // Act
            bool loadStateRaised = false;

            navigation.LoadState += (object sender, LoadStateEventArgs e) => {
                IsNull(e.PageState);
                loadStateRaised = true;
            };

            navigation.OnNavigatedTo(eventObject);

            IsTrue(loadStateRaised);
        }
        public void OnNavigatedFromTest_NothingSaved( )
        {
            var  frame = new Frame( );
            Page page  = null;
            NavigationEventArgs eventObject = null;

            frame.Navigated += (object sender, NavigationEventArgs e) => {
                page        = e.Content as Page;
                eventObject = e;
            };
            frame.Navigate(typeof(Page));

            SUTest navigation = new SUTest(page);

            navigation.OnNavigatedTo(eventObject);

            // Act
            bool saveStateRaised = false;

            navigation.SaveState += (object sender, SaveStateEventArgs e) => {
                AreEqual(0, e.PageState.Count);
                saveStateRaised = true;
            };

            navigation.OnNavigatedFrom(eventObject);

            IsTrue(saveStateRaised);
        }
		public void OnNavigatedFromTest_NothingSaved( ) {
			var frame = new Frame( );
			Page page = null;
			NavigationEventArgs eventObject = null;

			frame.Navigated += (object sender, NavigationEventArgs e) => {
				page = e.Content as Page;
				eventObject = e;
			};
			frame.Navigate(typeof(Page));

			SUTest navigation = new SUTest(page);
			navigation.OnNavigatedTo(eventObject);

			// Act
			bool saveStateRaised = false;
			navigation.SaveState += (object sender, SaveStateEventArgs e) => {
				AreEqual(0, e.PageState.Count);
				saveStateRaised = true;
			};

			navigation.OnNavigatedFrom(eventObject);

			IsTrue(saveStateRaised);
		}
		public void OnNavigatedToTest_FirstTo( ) {
			var frame = new Frame( );
			Page page = null;
			NavigationEventArgs eventObject = null;

			frame.Navigated += (object sender, NavigationEventArgs e) => {
				page = e.Content as Page;
				eventObject = e;
			};
			frame.Navigate(typeof(Page));

			SUTest navigation = new SUTest(page);

			// Act
			bool loadStateRaised = false;
			navigation.LoadState += (object sender, LoadStateEventArgs e) => {
				IsNull(e.PageState);
				loadStateRaised = true;
			};

			navigation.OnNavigatedTo(eventObject);

			IsTrue(loadStateRaised);
		}