public void TestCancelStuckEnumerable()
{
var lastValue = -1;
var cancellation = new Cancellation();
var stickWhileEvent = new ManualResetEvent(false);
var ints = new DisposableEnumerator<int>(StuckDownEnumerable(stickWhileEvent));
var select = ints
.SelectParallely(i => Interlocked.Exchange(ref lastValue, i), cancellation);
new Thread(() =>
{
Thread.Sleep(100);
cancellation.Cancel();
}).Start();
AssertEx.Throws<OperationCanceledException>(() => select.AsEnumerable().ToList());
Assert.AreEqual(1, lastValue);
stickWhileEvent.Set();
Thread.Sleep(100);
Assert.IsTrue(ints.IsDisposed);
}
public void TestDisposingEnumerable()
{
var obj = new DisposableEnumerator<int>(Enumerable.Range(0, 11));
Assert.IsFalse(obj.IsDisposed);
var list = obj.SelectParallely(i => i).AsEnumerable().ToList();
var sum = list.Sum();
Assert.AreEqual(55, sum);
Thread.Sleep(100);
Assert.IsTrue(obj.IsDisposed);
}
