public void NullInfoProviderDoesNotCrash()
{
RunOnUIThread.Execute(() =>
{
RefreshVisualizer refreshVisualizer = new RefreshVisualizer();
Compositor compositor = ElementCompositionPreview.GetElementVisual(refreshVisualizer).Compositor;
RefreshInfoProviderImpl refreshInfoProviderImpl = new RefreshInfoProviderImpl(compositor);
((IRefreshVisualizerPrivate)refreshVisualizer).InfoProvider = refreshInfoProviderImpl;
refreshVisualizer.RequestRefresh();
((IRefreshVisualizerPrivate)refreshVisualizer).InfoProvider = null;
refreshVisualizer.RequestRefresh();
});
}
public void RefreshPropagatesToInfoProvider()
{
RunOnUIThread.Execute(() =>
{
RefreshVisualizer refreshVisualizer = new RefreshVisualizer();
Compositor compositor = ElementCompositionPreview.GetElementVisual(refreshVisualizer).Compositor;
RefreshInfoProviderImpl refreshInfoProviderImpl = new RefreshInfoProviderImpl(compositor);
((IRefreshVisualizerPrivate)refreshVisualizer).InfoProvider = refreshInfoProviderImpl;
Verify.AreEqual <int>(0, refreshInfoProviderImpl.OnRefreshStartedCalls);
Verify.AreEqual <int>(0, refreshInfoProviderImpl.OnRefreshCompletedCalls);
refreshVisualizer.RequestRefresh();
Verify.AreEqual <int>(1, refreshInfoProviderImpl.OnRefreshStartedCalls);
Verify.AreEqual <int>(1, refreshInfoProviderImpl.OnRefreshCompletedCalls);
});
}
public void RefreshCompletedDeferralCompletedOffUIThread()
{
RunOnUIThread.Execute(() =>
{
RefreshVisualizer refreshVisualizer = new RefreshVisualizer();
Compositor compositor = ElementCompositionPreview.GetElementVisual(refreshVisualizer).Compositor;
RefreshInfoProviderImpl refreshInfoProviderImpl = new RefreshInfoProviderImpl(compositor);
((IRefreshVisualizerPrivate)refreshVisualizer).InfoProvider = refreshInfoProviderImpl;
refreshVisualizer.RefreshRequested += (RefreshVisualizer sender, RefreshRequestedEventArgs args) =>
{
Deferral def = args.GetDeferral();
Windows.System.Threading.ThreadPool.RunAsync(
(IAsyncAction action) =>
{
Log.Comment("RefreshVisualizer.RefreshRequested event handler");
def.Complete();
}).AsTask().Wait();
};
Verify.AreEqual <int>(0, refreshInfoProviderImpl.OnRefreshStartedCalls);
Verify.AreEqual <int>(0, refreshInfoProviderImpl.OnRefreshCompletedCalls);
MUXControlsTestApp.App.TestContentRoot = refreshVisualizer;
refreshVisualizer.RequestRefresh();
});
IdleSynchronizer.Wait();
RunOnUIThread.Execute(() =>
{
RefreshVisualizer refreshVisualizer = (RefreshVisualizer)MUXControlsTestApp.App.TestContentRoot;
RefreshInfoProviderImpl refreshInfoProviderImpl = ((RefreshInfoProviderImpl)((IRefreshVisualizerPrivate)refreshVisualizer).InfoProvider);
Verify.AreEqual <int>(1, refreshInfoProviderImpl.OnRefreshStartedCalls);
//Since we are completing the deferral off the UI thread the refresh never completed.
Verify.AreEqual <int>(0, refreshInfoProviderImpl.OnRefreshCompletedCalls);
});
}
