public void OrderByCompletion_PropagatesFaultOnSecondCompletion()
{
Test.Async(async () =>
{
var tcs = new TaskCompletionSource<int>[] { new TaskCompletionSource<int>(), new TaskCompletionSource<int>() };
var results = tcs.Select(x => x.Task).OrderByCompletion();
tcs[0].SetResult(13);
tcs[1].SetException(new InvalidOperationException("test message"));
await results[0];
try
{
await results[1];
}
catch (InvalidOperationException ex)
{
Assert.AreEqual("test message", ex.Message);
return;
}
Assert.Fail();
});
}
public void OrderByCompletion_PropagatesCancelOnSecondCompletion()
{
Test.Async(async () =>
{
var tcs = new TaskCompletionSource<int>[] { new TaskCompletionSource<int>(), new TaskCompletionSource<int>() };
var results = tcs.Select(x => x.Task).OrderByCompletion();
tcs[0].SetResult(13);
tcs[1].SetCanceled();
await results[0];
try
{
await results[1];
}
catch (OperationCanceledException)
{
return;
}
Assert.Fail();
});
}
public void OrderByCompletion_OrdersByCompletion()
{
Test.Async(async () =>
{
var tcs = new TaskCompletionSource<int>[] { new TaskCompletionSource<int>(), new TaskCompletionSource<int>() };
var results = tcs.Select(x => x.Task).OrderByCompletion();
Assert.IsFalse(results[0].IsCompleted);
Assert.IsFalse(results[1].IsCompleted);
tcs[1].SetResult(13);
var result0 = await results[0];
Assert.IsFalse(results[1].IsCompleted);
Assert.AreEqual(13, result0);
tcs[0].SetResult(17);
var result1 = await results[1];
Assert.AreEqual(13, result0);
Assert.AreEqual(17, result1);
});
}