public virtual void TestUpdateDelteSlices()
{
DocumentsWriterDeleteQueue queue = new DocumentsWriterDeleteQueue();
int size = 200 + Random().Next(500) * RANDOM_MULTIPLIER;
int?[] ids = new int?[size];
for (int i = 0; i < ids.Length; i++)
{
ids[i] = Random().Next();
}
DeleteSlice slice1 = queue.NewSlice();
DeleteSlice slice2 = queue.NewSlice();
BufferedUpdates bd1 = new BufferedUpdates();
BufferedUpdates bd2 = new BufferedUpdates();
int last1 = 0;
int last2 = 0;
HashSet<Term> uniqueValues = new HashSet<Term>();
for (int j = 0; j < ids.Length; j++)
{
int? i = ids[j];
// create an array here since we compare identity below against tailItem
Term[] term = new Term[] { new Term("id", i.ToString()) };
uniqueValues.Add(term[0]);
queue.AddDelete(term);
if (Random().Next(20) == 0 || j == ids.Length - 1)
{
queue.UpdateSlice(slice1);
Assert.IsTrue(slice1.IsTailItem(term));
slice1.Apply(bd1, j);
AssertAllBetween(last1, j, bd1, ids);
last1 = j + 1;
}
if (Random().Next(10) == 5 || j == ids.Length - 1)
{
queue.UpdateSlice(slice2);
Assert.IsTrue(slice2.IsTailItem(term));
slice2.Apply(bd2, j);
AssertAllBetween(last2, j, bd2, ids);
last2 = j + 1;
}
Assert.AreEqual(j + 1, queue.NumGlobalTermDeletes());
}
assertEquals(uniqueValues, new HashSet<Term>(bd1.Terms.Keys));
assertEquals(uniqueValues, new HashSet<Term>(bd2.Terms.Keys));
var frozenSet = new HashSet<Term>();
foreach (Term t in queue.FreezeGlobalBuffer(null).TermsIterable())
{
BytesRef bytesRef = new BytesRef();
bytesRef.CopyBytes(t.Bytes);
frozenSet.Add(new Term(t.Field, bytesRef));
}
assertEquals(uniqueValues, frozenSet);
Assert.AreEqual(0, queue.NumGlobalTermDeletes(), "num deletes must be 0 after freeze");
}