// try cloning and reopening the norms
private void DoTestNorms(Directory dir)
{
AddDocs(dir, 12, true);
IndexReader ir = IndexReader.Open(dir);
VerifyIndex(ir);
ModifyNormsForF1(ir);
IndexReader irc = (IndexReader)ir.Clone(); // IndexReader.open(dir);//ir.clone();
VerifyIndex(irc);
ModifyNormsForF1(irc);
IndexReader irc3 = (IndexReader)irc.Clone();
VerifyIndex(irc3);
ModifyNormsForF1(irc3);
VerifyIndex(irc3);
irc3.Flush();
irc3.Close();
}
public virtual void TestSegmentReaderDelDocsReferenceCounting()
{
Directory dir1 = new MockRAMDirectory();
TestIndexReaderReopen.CreateIndex(dir1, false);
IndexReader origReader = IndexReader.Open(dir1, false);
SegmentReader origSegmentReader = SegmentReader.GetOnlySegmentReader(origReader);
// deletedDocsRef should be null because nothing has updated yet
Assert.IsNull(origSegmentReader.deletedDocsRef_ForNUnit);
// we deleted a document, so there is now a deletedDocs bitvector and a
// reference to it
origReader.DeleteDocument(1);
AssertDelDocsRefCountEquals(1, origSegmentReader);
// the cloned segmentreader should have 2 references, 1 to itself, and 1 to
// the original segmentreader
IndexReader clonedReader = (IndexReader)origReader.Clone();
SegmentReader clonedSegmentReader = SegmentReader.GetOnlySegmentReader(clonedReader);
AssertDelDocsRefCountEquals(2, origSegmentReader);
// deleting a document creates a new deletedDocs bitvector, the refs goes to
// 1
clonedReader.DeleteDocument(2);
AssertDelDocsRefCountEquals(1, origSegmentReader);
AssertDelDocsRefCountEquals(1, clonedSegmentReader);
// make sure the deletedocs objects are different (copy
// on write)
Assert.IsTrue(origSegmentReader.deletedDocs_ForNUnit != clonedSegmentReader.deletedDocs_ForNUnit);
AssertDocDeleted(origSegmentReader, clonedSegmentReader, 1);
Assert.IsTrue(!origSegmentReader.IsDeleted(2)); // doc 2 should not be deleted
// in original segmentreader
Assert.IsTrue(clonedSegmentReader.IsDeleted(2)); // doc 2 should be deleted in
// cloned segmentreader
// deleting a doc from the original segmentreader should throw an exception
Assert.Throws <LockObtainFailedException>(() => origReader.DeleteDocument(4), "expected exception");
origReader.Close();
// try closing the original segment reader to see if it affects the
// clonedSegmentReader
clonedReader.DeleteDocument(3);
clonedReader.Flush();
AssertDelDocsRefCountEquals(1, clonedSegmentReader);
// test a reopened reader
IndexReader reopenedReader = clonedReader.Reopen();
IndexReader cloneReader2 = (IndexReader)reopenedReader.Clone();
SegmentReader cloneSegmentReader2 = SegmentReader.GetOnlySegmentReader(cloneReader2);
AssertDelDocsRefCountEquals(2, cloneSegmentReader2);
clonedReader.Close();
reopenedReader.Close();
cloneReader2.Close();
dir1.Close();
}
