public void TestLeave()
{
var values = new[] { 0, 1, 2, 3, 4 };
var readervalues = new[] { 0, 0, 1, 1, 2, 2, 3, 3, 4, 4 };
var c = ChannelManager.CreateChannel <int>(broadcast: true);
var counter = new CounterShim();
var readercount = 10;
((IJoinAbleChannel)c).Join(true);
var writer1 = RunWriter(c, values);
var writer2 = RunWriter(c, values);
var readers = Enumerable.Range(0, readercount).Select(x => RunReader(c, readervalues, counter)).ToArray();
System.Threading.Thread.Sleep(TimeSpan.FromSeconds(2));
if (counter.Count != 0)
{
throw new Exception("Broadcast has progressed even when there are not enough readers");
}
((IJoinAbleChannel)c).Leave(true);
Task.WhenAll(readers.Union(new[] { writer1, writer2 })).WaitForTaskOrThrow();
if (counter.Count != readercount * readervalues.Length)
{
throw new Exception(string.Format("The counter said {0} values were read, but {1} was expected", counter.Count, readercount * readervalues.Length));
}
}
public void TestSimple()
{
var values = new[] { 0, 1, 2, 3, 4 };
var c = ChannelManager.CreateChannel <int>(broadcast: true);;
var counter = new CounterShim();
var readercount = 10;
var readers = Enumerable.Range(0, readercount).Select(x => RunReader(c, values, counter)).ToArray();
var writer = RunWriter(c, values);
Task.WhenAll(readers.Union(new[] { writer })).WaitForTaskOrThrow();
if (counter.Count != readercount * values.Length)
{
throw new Exception(string.Format("The counter said {0} values were read, but {1} was expected", counter.Count, readercount * values.Length));
}
}
public void TestAttributes()
{
var values = new[] { 0, 1, 2, 3, 4 };
var counter = new CounterShim();
var readercount = 10;
var name = "bcast";
using (new IsolatedChannelScope())
{
var writer = AutomationExtensions.RunTask(
new Writer(),
async self =>
{
foreach (var v in values)
{
await self.chan.WriteAsync(v);
}
}
);
var readers = Enumerable.Range(0, readercount).Select(x => AutomationExtensions.RunTask(
new { chan = ChannelMarker.ForRead <int>(name) },
async self =>
{
foreach (var v in values)
{
var r = await self.chan.ReadAsync();
counter.Increment();
if (Comparer <int> .Default.Compare(v, r) != 0)
{
throw new Exception(string.Format("Got {0} but expected {1}", r, v));
}
}
}
)).ToArray();
Task.WhenAll(readers.Union(new[] { writer })).WaitForTaskOrThrow();
if (counter.Count != readercount * values.Length)
{
throw new Exception(string.Format("The counter said {0} values were read, but {1} was expected", counter.Count, readercount * values.Length));
}
}
}
public static Task RunReader <T>(IChannel <T> channel, IEnumerable <T> values, CounterShim counter)
{
return(AutomationExtensions.RunTask(
new { chan = channel.AsReadOnly() },
async self =>
{
foreach (var v in values)
{
var r = await self.chan.ReadAsync();
counter.Increment();
if (Comparer <T> .Default.Compare(v, r) != 0)
{
throw new Exception(string.Format("Got {0} but expected {1}", r, v));
}
}
}
));
}
