public virtual void TestForceMergeDeletesMaxSegSize()
{
Directory dir = NewDirectory();
IndexWriterConfig conf = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random));
TieredMergePolicy tmp = new TieredMergePolicy();
tmp.MaxMergedSegmentMB = 0.01;
tmp.ForceMergeDeletesPctAllowed = 0.0;
conf.SetMergePolicy(tmp);
RandomIndexWriter w = new RandomIndexWriter(Random, dir, conf);
w.DoRandomForceMerge = false;
int numDocs = AtLeast(200);
for (int i = 0; i < numDocs; i++)
{
Document doc = new Document();
doc.Add(NewStringField("id", "" + i, Field.Store.NO));
doc.Add(NewTextField("content", "aaa " + i, Field.Store.NO));
w.AddDocument(doc);
}
w.ForceMerge(1);
IndexReader r = w.GetReader();
Assert.AreEqual(numDocs, r.MaxDoc);
Assert.AreEqual(numDocs, r.NumDocs);
r.Dispose();
if (VERBOSE)
{
Console.WriteLine("\nTEST: delete doc");
}
w.DeleteDocuments(new Term("id", "" + (42 + 17)));
r = w.GetReader();
Assert.AreEqual(numDocs, r.MaxDoc);
Assert.AreEqual(numDocs - 1, r.NumDocs);
r.Dispose();
w.ForceMergeDeletes();
r = w.GetReader();
Assert.AreEqual(numDocs - 1, r.MaxDoc);
Assert.AreEqual(numDocs - 1, r.NumDocs);
r.Dispose();
w.Dispose();
dir.Dispose();
}