public void Constructor_SetsNavigationMode()
{
MockNavigationEntry navigationEntry = new MockNavigationEntry() { PageName = "SamplePage" };
PageNavigationEventArgs eventArgs = new PageNavigationEventArgs(navigationEntry, NavigationMode.Forward);
Assert.AreEqual(NavigationMode.Forward, eventArgs.NavigationMode);
}
public void Constructor_Exception_PageIsNull()
{
Assert.ThrowsException<ArgumentNullException>(() =>
{
PageNavigationEventArgs eventArgs = new PageNavigationEventArgs(null, NavigationMode.Forward);
});
}
public void Constructor_SetsNavigationMode()
{
PageInfo navigationEntry = new PageInfo("SamplePage", null);
PageNavigationEventArgs eventArgs = new PageNavigationEventArgs(navigationEntry, PageNavigationMode.Forward);
Assert.Equal(PageNavigationMode.Forward, eventArgs.NavigationMode);
}
public void Constructor_Exception_InvalidNavigationMode()
{
MockNavigationEntry navigationEntry = new MockNavigationEntry() { PageName = "SamplePage" };
Assert.ThrowsException<ArgumentException>(() =>
{
PageNavigationEventArgs eventArgs = new PageNavigationEventArgs(navigationEntry, (NavigationMode)100);
});
}
private void NavigationManager_NavigatedTo(object sender, PageNavigationEventArgs e)
{
// On first navigation with the navigation manager then register with the DataTransferManager
// NB: The INavigationManager import should only be created on the main application view
if (!isRegistered)
{
RegisterForSharing();
isRegistered = true;
}
}
protected virtual void OnNavigatedTo(PageNavigationEventArgs args)
{
EventHandler<PageNavigationEventArgs> eventHandler = NavigatedTo;
if (eventHandler != null)
eventHandler(this, args);
}
// *** Mock Methods ***
public void RaiseNavigatedTo(PageNavigationEventArgs eventArgs)
{
MockNavigationStack navigationStack = (MockNavigationStack)this.NavigationStack;
navigationStack.RaiseNavigatedTo(eventArgs);
}
public void RaiseNavigatingFrom(PageNavigationEventArgs eventArgs)
{
if (NavigatingFrom != null)
NavigatingFrom(this, eventArgs);
}
// *** Mock Methods ***
public void RaiseNavigatedTo(PageNavigationEventArgs eventArgs)
{
if (NavigatedTo != null)
NavigatedTo(this, eventArgs);
}
private void navigationStack_PageDisposed(object sender, PageNavigationEventArgs e)
{
DisposePage(e.Page);
}
private void navigationStack_NavigatingFrom(object sender, PageNavigationEventArgs e)
{
CallNavigatingFrom((PageInfo)e.Page, e.NavigationMode);
}
// *** Event Handlers ***
private void navigationStack_NavigatedTo(object sender, PageNavigationEventArgs e)
{
if (_restoringState)
CallNavigatedTo((PageInfo)e.Page, PageNavigationMode.Refresh);
else
CallNavigatedTo((PageInfo)e.Page, e.NavigationMode);
}
