public void updateRecency_onGetQuietly(ConcurrentLinkedDictionary <int, int> map) { PaddedAtomicLong drainCounter = map.readBufferDrainAtWriteCount[ConcurrentLinkedDictionary <int, int> .readBufferIndex()]; var first = map.evictionDeque.Peek(); long drained = drainCounter.GetValue(); map.GetQuietly(first.Key); map.DrainBuffers(); Assert.That(map.evictionDeque.Peek(), Is.SameAs(first)); Assert.That(drainCounter.GetValue(), Is.EqualTo(drained)); }