public Task GetSelectorsCallCounterBumpedOnUse()
{
return(RunCacheAndSessionTestAsync(async(cache, session, context) =>
{
Async::System.Collections.Generic.IAsyncEnumerable <GetSelectorResult> enumerator = session.GetSelectors(context, Fingerprint.Random(), Token);
await enumerator.ToList(CancellationToken.None);
long counter = await GetCounterValue("GetSelectorsCall", cache, context);
counter.Should().Be(1);
}));
}
/// <summary>
/// Enumerates a given <paramref name="enumerable"/> until the predicate <paramref name="predicate"/> returns true.
/// </summary>
private static Async::System.Collections.Generic.IAsyncEnumerable <T> StopAfter <T>(this Async::System.Collections.Generic.IAsyncEnumerable <T> enumerable, Func <T, bool> predicate)
{
return(AsyncEnumerable.CreateEnumerable(
() =>
{
var enumerator = enumerable.GetEnumerator();
bool stop = false;
return AsyncEnumerable.CreateEnumerator(
async token =>
{
if (stop)
{
return false;
}
if (await enumerator.MoveNext(token))
{
if (!predicate(enumerator.Current))
{
stop = true;
}
return true;
}
return false;
},
() => enumerator.Current,
() => enumerator.Dispose());
}));
}
