public void PerformanceTest_CachedList()
{
Counter counter = new Counter();
CachedList <int> numbersCachedList = new CachedList <int>(getNaturalNumbers(counter));
Assert.AreEqual(0, counter.Value, "First/counter/0");
IEnumerable <int> seq1 = numbersCachedList.Take(n1),
seq2 = numbersCachedList.Take(n2);
Assert.AreEqual(n1 - 1, seq1.LastOrDefault(), "First/n1");
Assert.AreEqual(n1, counter.Value, "First/counter/1");
Assert.AreEqual(n2 - 1, seq2.LastOrDefault(), "First/n2");
Assert.AreEqual(n2, counter.Value, "First/counter/2");
Assert.AreEqual(n1 - 1, seq1.LastOrDefault(), "Second/n1");
Assert.AreEqual(n2, counter.Value, "Second/counter/1");
Assert.AreEqual(n2 - 1, seq2.LastOrDefault(), "Second/n2");
Assert.AreEqual(n2, counter.Value, "Second/counter/2");
IEnumerable <int> seq3 = numbersCachedList.Take(n3),
seq4 = numbersCachedList.Take(n4),
seq5 = numbersCachedList.Take(n5);
Assert.AreEqual(n3 - 1, seq3.LastOrDefault(), "First/n3");
Assert.AreEqual(n3, counter.Value, "First/counter/3");
Assert.AreEqual(n4 - 1, seq4.LastOrDefault(), "First/n4");
Assert.AreEqual(n4, counter.Value, "First/counter/4");
Assert.AreEqual(n5 - 1, seq5.LastOrDefault(), "First/n5");
Assert.AreEqual(n5, counter.Value, "First/counter/5");
}