public void DequeueWithFlushAsyncInProcessCounter()
{
var address = new Uri("http://address");
StubPlatformFile file = CreateTransmissionFile(address);
var folder = CreateFolder(file);
var provider = new StubApplicationFolderProvider {
OnGetApplicationFolder = () => folder
};
var storage = new TransmissionStorage();
storage.Initialize(provider);
storage.IncrementFlushAsyncCounter();
Transmission dequeued = storage.Dequeue();
// When FlushAsyncCounter is set, dequeue returns null.
Assert.IsNull(dequeued);
// DecrementFlushAsyncCounter resets FlushAsyncCounter
// and allows storage to dequeue transmission.
storage.DecrementFlushAsyncCounter();
dequeued = storage.Dequeue();
Assert.IsNotNull(dequeued);
}