public void ObservableProgressorWithPause()
{
var source = new SlowObservable <int>(new[] { 0, 1, 2, 3, 4, 5 });
var progressor = Progressor <int> .CreateFromIObservable(source);
Assert.IsFalse(progressor.IsClosed);
var data = new[] { 0, 0, 0 };
using
(
progressor.SubscribeAction
(
value =>
{
if (value != Volatile.Read(ref data[0]))
{
Volatile.Write(ref data[2], 1);
}
Interlocked.Increment(ref data[0]);
}
)
)
{
#if TARGETS_NET
Thread.MemoryBarrier();
Thread.MemoryBarrier();
#else
Interlocked.MemoryBarrier();
Interlocked.MemoryBarrier();
#endif
source.Show();
#if TARGETS_NET
Thread.MemoryBarrier();
#else
Interlocked.MemoryBarrier();
#endif
while (progressor.TryTake(out var item))
{
Assert.AreEqual(0, Volatile.Read(ref data[2]));
Assert.AreEqual(item, Volatile.Read(ref data[1]));
Interlocked.Increment(ref data[1]);
}
if (Volatile.Read(ref data[0]) != 6 || Volatile.Read(ref data[1]) != 6)
{
Debugger.Break();
}
}
Assert.AreEqual(6, Volatile.Read(ref data[0]));
Assert.AreEqual(Volatile.Read(ref data[0]), Volatile.Read(ref data[1]));
Assert.IsTrue(progressor.IsClosed);
}
public void ObservableProgressorWithPause()
{
var source = new SlowObservable <int>(new[] { 0, 1, 2, 3, 4, 5 });
var progresor = new Progressor <int>(source);
Assert.IsFalse(progresor.IsClosed);
int indexA = 0;
int indexB = 0;
progresor.SubscribeAction
(
value =>
{
Assert.AreEqual(value, indexB);
indexB++;
}
);
int item;
while (progresor.TryTake(out item))
{
Assert.AreEqual(item, indexA);
indexA++;
}
Assert.AreEqual(0, indexA);
Assert.AreEqual(indexA, indexB);
Assert.IsFalse(progresor.IsClosed);
source.Show();
while (indexA < 6)
{
while (progresor.TryTake(out item))
{
Assert.AreEqual(item, indexA);
indexA++;
}
}
Assert.AreEqual(indexA, indexB);
Assert.IsFalse(progresor.IsClosed);
source.Close();
Assert.IsFalse(progresor.IsClosed);
Assert.IsFalse(progresor.TryTake(out item));
Assert.IsTrue(progresor.IsClosed);
}