public async Task Test_DispatcherQueueHelper_Action_Ok_NonUIThread()
{
var taskSource = new TaskCompletionSource <object>();
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(
CoreDispatcherPriority.Normal, async() =>
{
try
{
var dispatcherQueue = DispatcherQueue.GetForCurrentThread();
await Task.Run(async() =>
{
await DispatcherQueueHelper.ExecuteOnUIThreadAsync(dispatcherQueue, () =>
{
var textBlock = new TextBlock {
Text = nameof(Test_DispatcherQueueHelper_Action_Ok_NonUIThread)
};
Assert.AreEqual(textBlock.Text, nameof(Test_DispatcherQueueHelper_Action_Ok_NonUIThread));
taskSource.SetResult(null);
});
});
}
catch (Exception e)
{
taskSource.SetException(e);
}
});
await taskSource.Task;
}
public void Test_DispatcherQueueHelper_Action_Ok_UIThread()
{
DispatcherQueueHelper.ExecuteOnUIThreadAsync(DispatcherQueue.GetForCurrentThread(), () =>
{
var textBlock = new TextBlock {
Text = nameof(Test_DispatcherQueueHelper_Action_Ok_UIThread)
};
Assert.AreEqual(textBlock.Text, nameof(Test_DispatcherQueueHelper_Action_Ok_UIThread));
}).Wait();
}
public void Test_DispatcherQueueHelper_FuncOfT_Ok_UIThread()
{
var textBlock = DispatcherQueueHelper.ExecuteOnUIThreadAsync(DispatcherQueue.GetForCurrentThread(), () =>
{
return(new TextBlock {
Text = nameof(Test_DispatcherQueueHelper_FuncOfT_Ok_UIThread)
});
}).Result;
Assert.AreEqual(textBlock.Text, nameof(Test_DispatcherQueueHelper_FuncOfT_Ok_UIThread));
}
public void Test_DispatcherQueueHelper_Action_Exception()
{
var task = DispatcherQueueHelper.ExecuteOnUIThreadAsync(DispatcherQueue.GetForCurrentThread(), () =>
{
throw new ArgumentException(nameof(this.Test_DispatcherQueueHelper_Action_Exception));
});
Assert.IsNotNull(task);
Assert.AreEqual(task.Status, TaskStatus.Faulted);
Assert.IsNotNull(task.Exception);
Assert.IsInstanceOfType(task.Exception.InnerExceptions.FirstOrDefault(), typeof(ArgumentException));
}
public void Test_DispatcherQueueHelper_FuncOfTaskOfT_Ok_UIThread()
{
DispatcherQueueHelper.ExecuteOnUIThreadAsync(DispatcherQueue.GetForCurrentThread(), () =>
{
var textBlock = new TextBlock {
Text = nameof(Test_DispatcherQueueHelper_FuncOfTaskOfT_Ok_UIThread)
};
Assert.AreEqual(textBlock.Text, nameof(Test_DispatcherQueueHelper_FuncOfTaskOfT_Ok_UIThread));
return(Task.FromResult(1));
}).Wait();
}
public void Test_DispatcherQueueHelper_FuncOfT_Null()
{
DispatcherQueueHelper.ExecuteOnUIThreadAsync(DispatcherQueue.GetForCurrentThread(), default(Func <int>));
}
public void Test_DispatcherQueueHelper_Action_Null()
{
DispatcherQueueHelper.ExecuteOnUIThreadAsync(DispatcherQueue.GetForCurrentThread(), default(Action));
}
