public virtual void TestLongConversionAndOrdering()
{
// generate a series of encoded longs, each numerical one bigger than the one before
BytesRef last = null, act = new BytesRef(NumericUtils.BUF_SIZE_LONG);
for (long l = -100000L; l < 100000L; l++)
{
NumericUtils.LongToPrefixCodedBytes(l, 0, act);
if (last != null)
{
// test if smaller
Assert.IsTrue(last.CompareTo(act) < 0, "actual bigger than last (BytesRef)");
//Assert.IsTrue(last.Utf8ToString().CompareTo(act.Utf8ToString()) < 0, "actual bigger than last (as String)");
}
// test is back and forward conversion works
Assert.AreEqual(l, NumericUtils.PrefixCodedToLong(act), "forward and back conversion should generate same long");
// next step
last = act;
act = new BytesRef(NumericUtils.BUF_SIZE_LONG);
}
}
public virtual void TestIntConversionAndOrdering()
{
// generate a series of encoded ints, each numerical one bigger than the one before
BytesRef last = null, act = new BytesRef(NumericUtils.BUF_SIZE_INT32);
for (int i = -100000; i < 100000; i++)
{
NumericUtils.Int32ToPrefixCodedBytes(i, 0, act);
if (last != null)
{
// test if smaller
Assert.IsTrue(last.CompareTo(act) < 0, "actual bigger than last (BytesRef)");
Assert.IsTrue(last.Utf8ToString().CompareToOrdinal(act.Utf8ToString()) < 0, "actual bigger than last (as String)");
}
// test is back and forward conversion works
Assert.AreEqual(i, NumericUtils.PrefixCodedToInt32(act), "forward and back conversion should generate same int");
// next step
last = act;
act = new BytesRef(NumericUtils.BUF_SIZE_INT32);
}
}
private void CheckTermsOrder(IndexReader r, ISet<string> allTerms, bool isTop)
{
TermsEnum terms = MultiFields.GetFields(r).Terms("f").Iterator(null);
BytesRef last = new BytesRef();
HashSet<string> seenTerms = new HashSet<string>();
while (true)
{
BytesRef term = terms.Next();
if (term == null)
{
break;
}
Assert.IsTrue(last.CompareTo(term) < 0);
last.CopyBytes(term);
string s = term.Utf8ToString();
Assert.IsTrue(allTerms.Contains(s), "term " + TermDesc(s) + " was not added to index (count=" + allTerms.Count + ")");
seenTerms.Add(s);
}
if (isTop)
{
Assert.IsTrue(allTerms.SetEquals(seenTerms));
}
// Test seeking:
IEnumerator<string> it = seenTerms.GetEnumerator();
while (it.MoveNext())
{
BytesRef tr = new BytesRef(it.Current);
Assert.AreEqual(TermsEnum.SeekStatus.FOUND, terms.SeekCeil(tr), "seek failed for term=" + TermDesc(tr.Utf8ToString()));
}
}