public async Task TestPrecancellation3()
{
var b = new JoinBlock <int, int, int>(new GroupingDataflowBlockOptions
{
CancellationToken = new CancellationToken(canceled: true),
MaxNumberOfGroups = 1
});
Assert.NotNull(b.LinkTo(DataflowBlock.NullTarget <Tuple <int, int, int> >()));
Assert.False(b.Target1.Post(42));
Assert.False(b.Target2.Post(43));
Assert.False(b.Target2.Post(44));
Task <bool> t1 = b.Target1.SendAsync(42);
Task <bool> t2 = b.Target2.SendAsync(43);
Task <bool> t3 = b.Target2.SendAsync(44);
Assert.True(t1.IsCompleted);
Assert.False(t1.Result);
Assert.True(t2.IsCompleted);
Assert.False(t2.Result);
Assert.True(t3.IsCompleted);
Assert.False(t3.Result);
Tuple <int, int, int> ignoredValue;
IList <Tuple <int, int, int> > ignoredValues;
Assert.False(b.TryReceive(out ignoredValue));
Assert.False(b.TryReceiveAll(out ignoredValues));
Assert.Equal(expected: 0, actual: b.OutputCount);
Assert.NotNull(b.Completion);
b.Complete();
await Assert.ThrowsAnyAsync <OperationCanceledException>(() => b.Completion);
}
public async Task TestNonGreedyDropPostponedOnCompletion()
{
var joinBlock = new JoinBlock <int, int>(new GroupingDataflowBlockOptions {
Greedy = false
});
var source = new BufferBlock <int>();
source.Post(1);
source.LinkTo(joinBlock.Target1);
joinBlock.Complete();
await joinBlock.Completion;
}
public void CompletionTest ()
{
var block = new JoinBlock<int, int, int> ();
Assert.IsTrue (block.Target1.Post (1));
block.Complete ();
Tuple<int, int, int> tuple;
Assert.IsFalse (block.TryReceive (out tuple));
Assert.IsTrue (block.Completion.Wait (1000));
}
public IDictionary <string, string[]> JoinBlockUsage(int numberOfIteration)
{
Console.WriteLine($"Inside {nameof(TplDataflow3GroupingBlocksController)} - {nameof(JoinBlockUsage)}");
var ouputCollection = new Dictionary <string, string[]>();
Functions.ClearCounterForJoinBlockUsage();
// Create the members of the pipeline.
var broadCastBlock = new BroadcastBlock <int>(i => i);
var transformBlockDoNothing = new TransformBlock <int, int>(i =>
Functions.Noop(i)
);
var transformBlockSquare = new TransformBlock <int, int>(i =>
Functions.Square(i)
);
var transformBlockMultipleByPi = new TransformBlock <int, double>(i =>
Functions.MultiplyByPi(i)
);
var joinBlock = new JoinBlock <int, int, double>();
var processorBlock = new ActionBlock <Tuple <int, int, double> >(tuple =>
Functions.FormatTupleForTheOuputCollection(ouputCollection, tuple)
);
// Connect the dataflow blocks to form a pipeline.
broadCastBlock.LinkTo(transformBlockDoNothing, DataflowOptions.LinkOptions);
broadCastBlock.LinkTo(transformBlockSquare, DataflowOptions.LinkOptions);
broadCastBlock.LinkTo(transformBlockMultipleByPi, DataflowOptions.LinkOptions);
transformBlockDoNothing.LinkTo(joinBlock.Target1);
transformBlockSquare.LinkTo(joinBlock.Target2);
transformBlockMultipleByPi.LinkTo(joinBlock.Target3);
joinBlock.LinkTo(processorBlock, DataflowOptions.LinkOptions);
// Start JoinBlockUsage pipeline with the input values.
for (var i = 0; i <= numberOfIteration; i++)
{
broadCastBlock.Post(i);
}
// Mark the head of the pipeline as complete.
broadCastBlock.Complete();
// Wait for the last block in the pipeline to process all messages.
Task.WhenAll(transformBlockDoNothing.Completion,
transformBlockSquare.Completion,
transformBlockMultipleByPi.Completion)
.ContinueWith(_ => joinBlock.Complete());
processorBlock.Completion.Wait();
return(ouputCollection);
}
public void CompletionTest()
{
var block = new JoinBlock <int, int> ();
Assert.IsTrue(block.Target1.Post(1));
block.Complete();
Tuple <int, int> tuple;
Assert.IsFalse(block.TryReceive(out tuple));
Assert.IsTrue(block.Completion.Wait(1000));
}
public async Task TestCompletionThroughBlock()
{
var join2 = new JoinBlock <int, int>();
join2.Target1.Post(1);
join2.Complete();
await join2.Completion;
var join3 = new JoinBlock <int, int, int>();
join3.Target1.Post(2);
join3.Complete();
await join3.Completion;
}
static void Main(string[] args)
{
var joiner = new JoinBlock <Trial, Trial>();
var transformer = new TransformBlock <Tuple <Trial, Trial>, Trial>(t =>
{
Trial combined = new Trial(t.Item1.Id);
combined.Losses.AddRange(t.Item1.Losses);
combined.Losses.AddRange(t.Item2.Losses);
return(combined);
});
var manipulator = new TransformBlock <Trial, Trial>(x =>
{
foreach (var loss in x.Losses)
{
loss.Amount *= 0.8m;
}
return(x);
});
var sb = new StatisticsBlock();
joiner.LinkTo(transformer, new DataflowLinkOptions {
PropagateCompletion = true
});
transformer.LinkTo(manipulator, new DataflowLinkOptions {
PropagateCompletion = true
});
manipulator.LinkTo(sb.Block, new DataflowLinkOptions {
PropagateCompletion = true
});
sb.Block.LinkTo(DataflowBlock.NullTarget <Trial>());
Generate(10, joiner.Target1);
Generate(100, joiner.Target2);
joiner.Complete();
sb.Block.Completion.Wait();
Console.WriteLine(sb.Average());
Console.WriteLine(sb.Tvar10());
Console.WriteLine(sb.Poh());
Console.WriteLine("Done");
Console.ReadKey();
}
public async Task TestNonGreedyReleasingFailsAtCompletion()
{
var joinBlock = new JoinBlock <int, int>(new GroupingDataflowBlockOptions {
Greedy = false
});
var source = new DelegatePropagator <int, int>
{
ReserveMessageDelegate = (header, target) => true,
ReleaseMessageDelegate = delegate { throw new FormatException(); }
};
joinBlock.Target1.OfferMessage(new DataflowMessageHeader(1), 1, source, consumeToAccept: true);
joinBlock.Complete();
await Assert.ThrowsAsync <FormatException>(() => joinBlock.Completion);
}
public static void TestSync6()
{
joinB.LinkTo(ab2);
for (int i = 0; i < 5; i++)
{
joinB.Target1.Post(i);
}
for (int i = 5; i > 0; i--)
{
Thread.Sleep(1000);
joinB.Target2.Post(i.ToString());
}
joinB.Complete();
Console.WriteLine("Post Finished");
//joinB.Completion.Wait();
// Console.WriteLine("Process Finished");
}
public void Complete()
{
_joinBlock.Complete();
}
public void Complete()
{
_joinSources.Complete();
_mergeImageBlock.Complete();
_resultBlock.Complete();
}
public void RunJoinBlockConformanceTests()
{
// Test Post/Receive single block
{
int iter = 2;
var block2 = new JoinBlock <int, int>();
for (int i = 0; i < iter; i++)
{
block2.Target1.Post(i);
block2.Target2.Post(i);
var msg = block2.Receive();
Assert.False(msg.Item1 != i || msg.Item2 != i, string.Format("JoinBlock Post/Receive failed expected {0},{1} and actual {2},{3}", i, i, msg.Item1, msg.Item2));
}
var block3 = new JoinBlock <int, int, int>();
for (int i = 0; i < iter; i++)
{
block3.Target1.Post(i);
block3.Target2.Post(i);
block3.Target3.Post(i);
var msg = block3.Receive();
Assert.False(msg.Item1 != i || msg.Item2 != i || msg.Item3 != i, string.Format("JoinBlock Post/Receive failed expected {0},{1},{2} and actual {3},{4},{5}", i, i, i, msg.Item1, msg.Item2, msg.Item3));
}
}
// Test PostAll then Receive single block
{
int iter = 2;
var block2 = new JoinBlock <int, int>();
for (int i = 0; i < iter; i++)
{
block2.Target1.Post(i);
block2.Target2.Post(i);
}
for (int i = 0; i < iter; i++)
{
var msg = block2.Receive();
Assert.False(msg.Item1 != msg.Item2, "JoinBlock PostAll then Receive failed expected, incorrect msg pair");
}
var block3 = new JoinBlock <int, int, int>();
for (int i = 0; i < iter; i++)
{
block3.Target1.Post(i);
block3.Target2.Post(i);
block3.Target3.Post(i);
}
for (int i = 0; i < iter; i++)
{
var msg = block3.Receive();
Assert.False(msg.Item1 != msg.Item2 || msg.Item2 != msg.Item3, "JoinBlock PostAll then Receive failed expected, incorrect msg pair");
}
}
//Test one target Post with TryReceive
{
var block2 = new JoinBlock <int, int>();
block2.Target1.Post(0);
Tuple <int, int> result2;
Assert.False(block2.TryReceive(out result2), "JoinBlock.TryReceive failed, returned true and only one target posted a message");
Assert.False(block2.OutputCount > 0, "JoinBlock.OutputCount failed, returned count > 0 and only one target posted a message");
var block3 = new JoinBlock <int, int, int>();
block3.Target1.Post(0);
Tuple <int, int, int> result3;
Assert.False(block3.TryReceive(out result3), "JoinBlock.TryReceive failed, returned true and only one target posted a message");
Assert.False(block3.OutputCount > 0, "JoinBlock.OutputCount failed, returned count > 0 and only one target posted a message");
}
// Test JoinBlock`2 using a precanceled token
{
var localPassed = true;
try
{
var cts = new CancellationTokenSource();
cts.Cancel();
var dbo = new GroupingDataflowBlockOptions {
CancellationToken = cts.Token, MaxNumberOfGroups = 1
};
var jb = new JoinBlock <int, int>(dbo);
Tuple <int, int> ignoredValue;
IList <Tuple <int, int> > ignoredValues;
localPassed &= jb.LinkTo(new ActionBlock <Tuple <int, int> >(delegate { })) != null;
localPassed &= jb.Target1.Post(42) == false;
localPassed &= jb.Target2.Post(42) == false;
localPassed &= jb.Target1.SendAsync(42).Result == false;
localPassed &= jb.Target2.SendAsync(42).Result == false;
localPassed &= jb.TryReceiveAll(out ignoredValues) == false;
localPassed &= jb.TryReceive(out ignoredValue) == false;
localPassed &= jb.OutputCount == 0;
localPassed &= jb.Completion != null;
jb.Target1.Complete();
jb.Target2.Complete();
}
catch (Exception)
{
localPassed = false;
}
Assert.True(localPassed, string.Format("Precanceled tokens on JB`2 - {0}", localPassed ? "Passed" : "FAILED"));
}
// Test JoinBlock`3 using a precanceled token
{
var localPassed = true;
try
{
var cts = new CancellationTokenSource();
cts.Cancel();
var dbo = new GroupingDataflowBlockOptions {
CancellationToken = cts.Token, MaxNumberOfGroups = 1
};
var jb = new JoinBlock <int, int, int>(dbo);
Tuple <int, int, int> ignoredValue;
IList <Tuple <int, int, int> > ignoredValues;
localPassed &= jb.LinkTo(new ActionBlock <Tuple <int, int, int> >(delegate { })) != null;
localPassed &= jb.Target1.Post(42) == false;
localPassed &= jb.Target2.Post(42) == false;
localPassed &= jb.Target3.Post(42) == false;
localPassed &= jb.Target1.SendAsync(42).Result == false;
localPassed &= jb.Target2.SendAsync(42).Result == false;
localPassed &= jb.Target3.SendAsync(42).Result == false;
localPassed &= jb.TryReceiveAll(out ignoredValues) == false;
localPassed &= jb.TryReceive(out ignoredValue) == false;
localPassed &= jb.OutputCount == 0;
localPassed &= jb.Completion != null;
jb.Target1.Complete();
jb.Target2.Complete();
jb.Target3.Complete();
}
catch (Exception)
{
localPassed = false;
}
Assert.True(localPassed, string.Format("Precanceled tokens on JB`3 - {0}", localPassed ? "Passed" : "FAILED"));
}
// Test JoinBlock`2 completion through all targets
{
var localPassed = true;
var join = new JoinBlock <int, int>();
join.Target1.Post(1);
join.Target1.Complete();
join.Target2.Complete();
localPassed = join.Completion.Wait(2000);
Assert.True(localPassed, string.Format("JoinBlock`2 completed through targets - {0}", localPassed ? "Passed" : "FAILED"));
}
// Test JoinBlock`3 completion through all targets
{
var localPassed = true;
var join = new JoinBlock <int, int, int>();
join.Target1.Post(1);
join.Target1.Complete();
join.Target2.Complete();
join.Target3.Complete();
localPassed = join.Completion.Wait(2000);
Assert.True(localPassed, string.Format("JoinBlock`3 completed through targets - {0}", localPassed ? "Passed" : "FAILED"));
}
// Test JoinBlock`2 completion through block
{
var localPassed = true;
var join = new JoinBlock <int, int>();
join.Target1.Post(1);
join.Complete();
localPassed = join.Completion.Wait(2000);
Assert.True(localPassed, string.Format("JoinBlock`2 completed through block - {0}", localPassed ? "Passed" : "FAILED"));
}
// Test JoinBlock`3 completion through block
{
var localPassed = true;
var join = new JoinBlock <int, int, int>();
join.Target1.Post(1);
join.Complete();
localPassed = join.Completion.Wait(2000);
Assert.True(localPassed, string.Format("JoinBlock`3 completed through block - {0}", localPassed ? "Passed" : "FAILED"));
}
}