private void WaitDownloaded(Attachment attachment)
{
var events = attachment.Changed().Where(c => c.EventArgs.PropertyName == "IsDownloading").Take(1).PublishLast();
using (events.Connect()) {
Assert.IsTrue(attachment.IsDownloading, attachment.ToString());
//что бы избежать конкуренции
if (Env.Barrier != null)
{
Assert.IsTrue(Env.Barrier.SignalAndWait(10.Second()), "не удалось дождаться загрузки");
}
Assert.IsFalse(attachment.IsDownloaded, attachment.ToString());
events.Timeout(10.Second()).First();
}
Assert.IsNull(attachment.Exception);
Assert.IsFalse(attachment.IsError, attachment.ToString());
Assert.IsTrue(attachment.IsDownloaded, attachment.ToString());
}
