public void TestWorksInGeneral()
{
var list = new List<int>();
var forAll = new ForAll<int>(Enumerable.Range(0, 10),
i =>
{
lock (list)
{
list.Add(i);
}
});
var completed = new ManualResetEvent(false);
forAll.RegisterOnfinished(_ => completed.Set());
forAll.Start();
completed.WaitOne();
Assert.AreEqual(10, list.Distinct().Count());
}
public void TestCancel()
{
bool? cancelled = null;
var lastEnumerated = -1;
var lastProcessed = -1;
var cancellation = new Cancellation();
var endlessSource = Enumerable.Range(0, 10).Select(n =>
{
if (n > 3)
TestMonitorSimple.WaitAlittle();
lastEnumerated = n;
return n;
});
var doForAll = new ForAll<int>(endlessSource, n => Thread.VolatileWrite(ref lastProcessed, n),
new ParallelSettings {Cancellation = cancellation});
doForAll.RegisterOnfinished(f => cancelled = f.IsCancelled);
doForAll.Start();
TestMonitorSimple.WaitAlittle();
cancellation.Cancel();
TestMonitorSimple.WaitAlittle();
AssertEx.Throws<OperationCanceledException>(() => doForAll.Wait());
Assert.IsTrue(lastProcessed > -1, "Looks like processing had not even started");
Assert.IsTrue(lastEnumerated > -1, "Looks like enumeration of source had not even started");
Assert.IsTrue(cancelled != null && cancelled.Value);
Assert.IsTrue(doForAll.IsCancelled);
Assert.IsTrue(lastProcessed < 9);
Assert.IsTrue(lastEnumerated < 9);
}