public void Asynqueue_runs_when_queued()
{
var response = new TaskCompletionSource <string>();
var q = new Asynqueue <string>(s => response.SetResult("Hello, " + s));
q.Send("World");
response.Task.Wait();
var result = response.Task.Result;
"Hello, World".ShouldEqual(result);
}
public void Asynqueue_send_is_async()
{
var response = new TaskCompletionSource <int>();
var count = 0;
var q = new Asynqueue <int>(async i =>
{
await Task.Delay(10);
response.SetResult(Interlocked.Increment(ref count));
});
q.Send(1);
Interlocked.Increment(ref count).ShouldEqual(1);
response.Task.Wait();
response.Task.Result.ShouldEqual(2);
}
private static Task <long> BuffQueue()
{
const int NumMessages = 1000000;
var countdown = new CountdownEvent(NumMessages);
Stopwatch w = Stopwatch.StartNew();
var qout = new Asynqueue <string>(_ =>
{
countdown.Signal();
});
for (var x = 0; x < NumMessages; ++x)
{
qout.Send("Msg " + x);
}
countdown.Wait();
return(Task.FromResult(w.ElapsedMilliseconds));
}
/// <summary>
/// Demonstrate the performance of the plain messenger.
/// </summary>
private static async Task <long> PlainQueue()
{
const int NumMessages = 1000000;
var done = new TaskCompletionSource <long>();
var count = 0;
Stopwatch w = Stopwatch.StartNew();
var qout = new Asynqueue <string>(_ =>
{
if (++count >= NumMessages)
{
done.SetResult(w.ElapsedMilliseconds);
}
});
for (var x = 0; x < NumMessages; ++x)
{
qout.Send("Msg " + x);
}
return(await done.Task);
}
