public void ForEachWithExceptionTest()
{
Random r = new Random((int)((System.Diagnostics.Stopwatch.GetTimestamp() >> 3) & 0x7FFFFFFF));
ExceptionCollector ec = new ExceptionCollector();
AsyncQueue <int> q1 = new AsyncQueue <int>(5);
Func <Task> t1 = async delegate()
{
for (int i = 0; i < 100; ++i)
{
await q1.Enqueue(r.Next(1000), ec.CancellationToken);
}
q1.WriteEof();
};
AsyncQueue <int> q2 = new AsyncQueue <int>(5);
Func <Task> t2 = WorkerTask.ForEach
(
q1,
async delegate(ForEachInfo <int> fi)
{
await q2.Enqueue(fi.Item * 100, fi.CancellationToken);
throw new InvalidOperationException("test 1");
},
delegate()
{
q2.WriteEof();
return(Task.FromException(new InvalidOperationException("test 2")));
},
ec
);
List <int> items = new List <int>();
Func <Task> t3 = WorkerTask.ForEach
(
q2,
delegate(ForEachInfo <int> fi)
{
items.Add(fi.Item);
return(Task.CompletedTask);
},
delegate()
{
return(Task.CompletedTask);
},
ec
);
Task T1 = Task.Run(t1);
Task T2 = Task.Run(t2);
Task T3 = Task.Run(t3);
bool threwException = false;
try
{
ec.WaitAll(T1, T2, T3);
}
catch (Exception exc)
{
System.Diagnostics.Debug.WriteLine(exc);
threwException = true;
}
Assert.IsTrue(threwException);
}
public void MultiSourceForEachExceptionTest()
{
ExceptionCollector ec = new ExceptionCollector();
AsyncQueue <int> q1 = new AsyncQueue <int>(5);
Func <Task> t1 = async delegate()
{
for (int i = 0; i < 100; ++i)
{
await q1.Enqueue(i, ec.CancellationToken);
}
q1.WriteEof();
};
AsyncQueue <int> q2 = new AsyncQueue <int>(5);
Func <Task> t2 = async delegate()
{
for (int i = 100; i < 200; ++i)
{
await q2.Enqueue(i, ec.CancellationToken);
}
q2.WriteEof();
};
AsyncQueue <int> q3 = new AsyncQueue <int>(5);
Func <Task> t3 = WorkerTask.ForEach
(
new IQueueSource <int>[] { q1, q2 },
InputPriorities.RoundRobin,
async fei =>
{
if (fei.Item == 133)
{
throw new InvalidOperationException("test");
}
await q3.Enqueue(fei.Item, fei.CancellationToken);
},
() =>
{
q3.WriteEof();
return(Task.CompletedTask);
},
ec
);
Func <Task> t4 = WorkerTask.ForEach
(
q3,
fei =>
{
System.Diagnostics.Debug.WriteLine(fei.Item);
return(Task.CompletedTask);
},
null,
ec
);
Task T1 = Task.Run(t1);
Task T2 = Task.Run(t2);
Task T3 = Task.Run(t3);
Task T4 = Task.Run(t4);
try
{
ec.WaitAll(T1, T2, T3, T4);
}
catch (Exception exc)
{
System.Diagnostics.Debug.WriteLine(exc);
}
}
public void ParallelMultiSourceForEachExceptionTest()
{
object rSyncRoot = new object();
Random r = new Random((int)((System.Diagnostics.Stopwatch.GetTimestamp() >> 3) & 0x7FFFFFFF));
ExceptionCollector ec = new ExceptionCollector();
AsyncQueue <int> q1 = new AsyncQueue <int>(5);
Func <Task> t1 = async delegate()
{
for (int i = 0; i < 100; ++i)
{
await q1.Enqueue(i, ec.CancellationToken);
}
q1.WriteEof();
};
AsyncQueue <int> q2 = new AsyncQueue <int>(5);
Func <Task> t2 = async delegate()
{
for (int i = 100; i < 200; ++i)
{
await q2.Enqueue(i, ec.CancellationToken);
}
q2.WriteEof();
};
AsyncQueue <int> q3 = new AsyncQueue <int>(5);
ParallelWorker pw = new ParallelWorker(8);
Func <Task> t3 = WorkerTask.ParallelForEach
(
new IQueueSource <int>[] { q1, q2 },
InputPriorities.RoundRobin,
pw,
async fei =>
{
await q3.Enqueue(fei.Item, fei.CancellationToken);
if (fei.Item == 133)
{
throw new InvalidOperationException("test");
}
int time;
lock (rSyncRoot)
{
time = 100 + r.Next(800);
}
await Task.Delay(time);
},
() =>
{
q3.WriteEof();
return(Task.CompletedTask);
},
ec
);
Func <Task> t4 = WorkerTask.ForEach
(
q3,
fei =>
{
System.Diagnostics.Debug.WriteLine(fei.Item);
return(Task.CompletedTask);
},
null,
ec
);
Task T1 = Task.Run(t1);
Task T2 = Task.Run(t2);
Task T3 = Task.Run(t3);
Task T4 = Task.Run(t4);
try
{
ec.WaitAll(T1, T2, T3, T4);
}
catch (Exception exc)
{
System.Diagnostics.Debug.WriteLine(exc);
}
}
public void ParallelForEachExceptionTest()
{
ExceptionCollector ec = new ExceptionCollector();
AsyncQueue <int> q1 = new AsyncQueue <int>(5);
Func <Task> t1 = async delegate()
{
for (int i = 0; i < 100; ++i)
{
await q1.Enqueue(i, ec.CancellationToken);
}
q1.WriteEof();
};
AsyncQueue <int> q2 = new AsyncQueue <int>(5);
Func <Task> t2 = WorkerTask.ForEach
(
q1,
async delegate(ForEachInfo <int> fi)
{
await q2.Enqueue(fi.Item * 100, fi.CancellationToken);
if (fi.Item == 53)
{
throw new InvalidOperationException("test 1");
}
},
delegate()
{
q2.WriteEof();
return(Task.CompletedTask);
},
ec
);
List <int> items = new List <int>();
Func <Task> t3 = WorkerTask.ForEach
(
q2,
delegate(ForEachInfo <int> fi)
{
items.Add(fi.Item);
return(Task.CompletedTask);
},
delegate()
{
return(Task.CompletedTask);
},
ec
);
Task T1 = Task.Run(t1);
Task T2 = Task.Run(t2);
Task T3 = Task.Run(t3);
bool threwException = false;
try
{
ec.WaitAll(T1, T2, T3);
}
catch (Exception exc)
{
System.Diagnostics.Debug.WriteLine(exc);
threwException = true;
}
Assert.IsTrue(threwException);
}