public void EnumeratorSkipsBeyondLastBucket()
{
// compression
var compressedBuffer1 = new EliasFanoList(_postingList.Last(), _postingList.Count, _postingList);
// get enumerator and skip
var enumerator = compressedBuffer1.GetEnumerator() as ISkippingEnumerator <uint>;
Assert.AreEqual(false, enumerator.SkipToBoundary(50000000));
}
public void EnumeratorSkipsToLastItem()
{
// compression
var compressedBuffer1 = new EliasFanoList(_postingList.Last(), _postingList.Count, _postingList);
// get enumerator and skip
var enumerator = compressedBuffer1.GetEnumerator() as ISkippingEnumerator <uint>;
Assert.AreEqual(true, enumerator.SkipToBoundary(25070429));
Assert.AreEqual(25070429U, enumerator.Current);
}
public void EnumeratorSkipsToSecondPointerIndex()
{
// compression
var data = Enumerable.Range(0, 4096).Select(i => (uint)i).ToList();
var compressedBuffer1 = new EliasFanoList(data);
// get enumerator and skip
var enumerator = compressedBuffer1.GetEnumerator() as ISkippingEnumerator <uint>;
Assert.AreEqual(true, enumerator.SkipToIndex(2048));
Assert.AreEqual(2048U, enumerator.Current);
Assert.AreEqual(true, enumerator.MoveNext());
Assert.AreEqual(2049U, enumerator.Current);
}
public void EnumeratorSkipsByIndex()
{
// compression
var compressedBuffer1 = new EliasFanoList(_postingList.Last(), _postingList.Count, _postingList);
// get enumerator and skip
var enumerator = compressedBuffer1.GetEnumerator() as ISkippingEnumerator <uint>;
Assert.AreEqual(true, enumerator.SkipToIndex(10));
Assert.AreEqual(587702U, enumerator.Current);
Assert.AreEqual(true, enumerator.MoveNext());
Assert.AreEqual(587882U, enumerator.Current);
Assert.AreEqual(true, enumerator.MoveNext());
Assert.AreEqual(588062U, enumerator.Current);
Assert.AreEqual(true, enumerator.MoveNext());
Assert.AreEqual(588242U, enumerator.Current);
Assert.AreEqual(true, enumerator.MoveNext());
Assert.AreEqual(588422U, enumerator.Current);
}
public void EnumeratorSkipsBeyondBoundary()
{
// compression
var compressedBuffer1 = new EliasFanoList(_postingList.Last(), _postingList.Count, _postingList);
// get enumerator and skip
var enumerator = compressedBuffer1.GetEnumerator() as ISkippingEnumerator <uint>;
Assert.AreEqual(true, enumerator.SkipToBoundary(595621));
Assert.AreEqual(595622U, enumerator.Current);
Assert.AreEqual(true, enumerator.MoveNext());
Assert.AreEqual(595802U, enumerator.Current);
Assert.AreEqual(true, enumerator.MoveNext());
Assert.AreEqual(595982U, enumerator.Current);
Assert.AreEqual(true, enumerator.MoveNext());
Assert.AreEqual(596162U, enumerator.Current);
Assert.AreEqual(true, enumerator.MoveNext());
Assert.AreEqual(596342U, enumerator.Current);
Assert.AreEqual(true, enumerator.MoveNext());
Assert.AreEqual(596522U, enumerator.Current);
}