public void TestConcurrentDuringContains()
{
var src = TestUtils.EnumerateNothingForever <int>();
var lookup = AsyncLookup <int, int> .ToLookup(src, x => x / 10, null);
var t = lookup.ContainsAsync(0);
Assert.IsFalse(t.IsCompleted);
try
{
lookup.GetAsync(1).AwaitSynchronously();
Assert.Fail();
}
catch (InvalidOperationException)
{ }
try
{
lookup.ContainsAsync(1).AwaitSynchronously();
Assert.Fail();
}
catch (InvalidOperationException)
{ }
}
public void TestSimple()
{
int n = 100;
Func <int, int> keySelector = x => x / 10;
var src = Enumerable.Range(0, n);
var expectedLookup = src.ToLookup(keySelector);
var lookup = AsyncLookup <int, int> .ToLookup(src.AsAsyncEnumerable(), keySelector, null);
foreach (var expected in expectedLookup)
{
var actual = lookup.GetAsync(expected.Key).AwaitSynchronously();
Assert.IsNotNull(actual);
Assert.IsTrue(expected.SequenceEqual(actual.AsEnumerable()));
Assert.IsTrue(lookup.ContainsAsync(expected.Key).AwaitSynchronously());
}
Assert.AreEqual(expectedLookup.Count, lookup.CountAsync().AwaitSynchronously());
Assert.IsTrue(expectedLookup.Select(x => x.Key).SequenceEqual(lookup.Select(x => x.Key).AsEnumerable()));
var emptySeq = lookup.GetAsync(-1).AwaitSynchronously();
Assert.IsNotNull(emptySeq);
Assert.AreEqual(0L, emptySeq.CountAsync().AwaitSynchronously());
Assert.IsFalse(lookup.ContainsAsync(-1).AwaitSynchronously());
}
public void TestEmpty()
{
var lookup = AsyncLookup <int, int> .ToLookup(AsyncEnum.Empty <int>(), x => x, null);
Assert.IsFalse(lookup.ContainsAsync(1).AwaitSynchronously());
var seq = lookup.GetAsync(1).AwaitSynchronously();
Assert.IsNotNull(seq);
Assert.AreEqual(0L, seq.CountAsync().AwaitSynchronously());
}
public void TestReverse()
{
int n = 100;
Func <int, int> keySelector = x => x / 10;
var src = Enumerable.Range(0, n);
var expectedLookup = src.ToLookup(keySelector);
var lookup = AsyncLookup <int, int> .ToLookup(src.AsAsyncEnumerable(), keySelector, null);
foreach (var expected in expectedLookup.Reverse())
{
var actual = lookup.GetAsync(expected.Key).AwaitSynchronously();
Assert.IsNotNull(actual);
Assert.IsTrue(expected.SequenceEqual(actual.AsEnumerable()));
Assert.IsTrue(lookup.ContainsAsync(expected.Key).AwaitSynchronously());
}
}
private void Lookup(Meebey.SmartIrc4net.IrcMessageData msg, string word)
{
AsyncLookup lookup = new AsyncLookup(this, msg, word);
System.Threading.ThreadPool.QueueUserWorkItem(AsyncLookup.Run, lookup);
}
