public void BasicUsageTest()
{
Tuple<IList<int>, IList<int>> result = null;
var evt = new ManualResetEventSlim (false);
var actionBlock = new ActionBlock<Tuple<IList<int>, IList<int>>> (r =>
{
result = r;
evt.Set ();
});
var block = new BatchedJoinBlock<int, int> (2);
block.LinkTo (actionBlock);
// both targets once
Assert.IsTrue (block.Target1.Post (1));
Assert.IsFalse(evt.Wait(100));
Assert.IsNull (result);
Assert.IsTrue (block.Target2.Post (2));
Assert.IsTrue (evt.Wait (100));
Assert.IsNotNull (result);
CollectionAssert.AreEqual (new[] { 1 }, result.Item1);
CollectionAssert.AreEqual (new[] { 2 }, result.Item2);
result = null;
evt.Reset ();
// target 1 twice
Assert.IsTrue (block.Target1.Post (3));
Assert.IsFalse(evt.Wait(100));
Assert.IsNull (result);
Assert.IsTrue (block.Target1.Post (4));
Assert.IsTrue (evt.Wait (100));
Assert.IsNotNull (result);
CollectionAssert.AreEqual (new[] { 3, 4 }, result.Item1);
CollectionAssert.IsEmpty (result.Item2);
result = null;
evt.Reset ();
// target 2 twice
Assert.IsTrue (block.Target2.Post (5));
Assert.IsFalse(evt.Wait(100));
Assert.IsNull (result);
Assert.IsTrue (block.Target2.Post (6));
Assert.IsTrue (evt.Wait (100));
Assert.IsNotNull (result);
CollectionAssert.IsEmpty (result.Item1);
CollectionAssert.AreEqual (new[] { 5, 6 }, result.Item2);
}