public async Task Start_Stop_Start_CancellationTokenMustBeReInit()
{
var mgr = new NullAsyncDownloadManager();
mgr.Start();
await Task.Delay(1000);
mgr.Stop();
mgr.Start();
Assert.IsFalse(mgr.CancellationToken.IsCancellationRequested);
mgr.Stop();
}
public void CallStart_IsStartIsTrueAndTaskWasCreated_StopIsReversal()
{
var mgr = new NullAsyncDownloadManager();
Assert.IsNotNull(mgr.SyncRoot);
Assert.IsFalse(mgr.IsStart);
mgr.Start();
Assert.IsTrue(mgr.IsStart);
Assert.IsNotNull(mgr.Task);
Assert.AreNotEqual(TaskStatus.WaitingForActivation, mgr.Task.Status);
mgr.Stop();
Assert.IsFalse(mgr.IsStart);
Assert.IsTrue(mgr.CancellationToken.IsCancellationRequested);
}
public async Task GivenTask_Run_TaskMustBeRun()
{
var mgr = new NullAsyncDownloadManager();
var val = -1;
Func <Task> setTask = () => Task.FromResult(val = 1);
mgr.Add(new DownloadTask(new Func <Task>[] { setTask }));
mgr.Start();
await Task.Delay(100);
mgr.Stop();
await mgr.Task;
Assert.AreEqual(1, val);
}
public async Task WhenStart_Stop_Exception_Complated_CallbackWasRaised()
{
var mgr = new NullAsyncDownloadManager();
mgr.Start();
Assert.IsTrue(mgr.IsOnStart);
mgr.Stop();
Assert.IsTrue(mgr.IsOnStop);
Func <Task> setTask = () => throw new Exception();
mgr.Add(new DownloadTask(new Func <Task>[] { setTask }));
mgr.Start();
await Task.Delay(500);
mgr.Stop();
await mgr.Task;
Assert.IsTrue(mgr.IsOnException);
Assert.IsTrue(mgr.IsOnComplated);
}
