public void MultipleAsync_WhenSingle_ShouldComplete()
{
const int max = 100;
var random = new Random();
var awaiter = new AwaiterCollection <int>(new NullLogger <AwaiterCollection <int> >());
IReadOnlyList <(Guid Id, int Index, int DelayMs)> details = Enumerable.Range(0, max)
.Select((x, i) => (Id: Guid.NewGuid(), Index: i, DelayMs: random.Next(50, 300)))
.ToArray();
IReadOnlyList <(Guid Id, TaskCompletionSource <int> Tcs, CancellationTokenSource TokenSource, int Index)> list = details
.Select(x => (Id: x.Id, Tcs: new TaskCompletionSource <int>(), TokenSource: new CancellationTokenSource(x.DelayMs), Index: x.Index))
.ToArray()
.Action(x => x.ForEach(y => awaiter.Register(y.Id, y.Tcs)));
list.ForEach(x => Task.Run(async() =>
{
var xSave = x;
while (!xSave.TokenSource.IsCancellationRequested)
{
await Task.Delay(TimeSpan.FromMilliseconds(10));
}
awaiter.SetResult(xSave.Id, xSave.Index);
}));
Task.WaitAll(list.Select(x => x.Tcs.Task).ToArray(), TimeSpan.FromSeconds(30)).Should().BeTrue();
list.All(x => x.Tcs.Task.Result == x.Index).Should().BeTrue();
}
internal AwaiterMetadata(Awaiter awaiter, AwaiterCollection membership)
{
Requires.NotNull(awaiter, nameof(awaiter));
this.Awaiter = awaiter;
this.Membership = membership;
}
public void SingleAsync_WhenSignaled_ShouldComplete()
{
var awaiter = new AwaiterCollection <bool>(new NullLogger <AwaiterCollection <bool> >());
Guid id = Guid.NewGuid();
var tcs = new TaskCompletionSource <bool>();
awaiter.Register(id, tcs);
CancellationTokenSource tokenSource = new CancellationTokenSource(TimeSpan.FromMilliseconds(300));
_ = Task.Run(async() =>
{
while (tokenSource.IsCancellationRequested)
{
await Task.Delay(TimeSpan.FromMilliseconds(10));
}
awaiter.SetResult(id, true);
});
Task.WaitAll(new Task[] { tcs.Task }, TimeSpan.FromSeconds(30)).Should().BeTrue();
tcs.Task.Result.Should().BeTrue();
}
internal static AwaiterMetadata Released(Awaiter awaiter)
{
Requires.NotNull(awaiter, nameof(awaiter));
AwaiterCollection membership = AwaiterCollection.Released;
switch (awaiter.Kind)
{
case LockKind.Read:
membership |= AwaiterCollection.ReadLock;
break;
case LockKind.UpgradeableRead:
membership |= AwaiterCollection.UpgradeableReadLock;
break;
case LockKind.Write:
membership |= AwaiterCollection.WriteLock;
break;
default:
break;
}
return(new AwaiterMetadata(awaiter, membership));
}