Ejemplo n.º 1
0
        private void VerifyDocFreq()
        {
            IndexReader reader   = DirectoryReader.Open(Dir);
            TermsEnum   termEnum = MultiFields.GetTerms(reader, "content").Iterator(null);

            // create enumeration of all terms
            // go to the first term (aaa)
            termEnum.Next();
            // assert that term is 'aaa'
            Assert.AreEqual("aaa", termEnum.Term().Utf8ToString());
            Assert.AreEqual(200, termEnum.DocFreq());
            // go to the second term (bbb)
            termEnum.Next();
            // assert that term is 'bbb'
            Assert.AreEqual("bbb", termEnum.Term().Utf8ToString());
            Assert.AreEqual(100, termEnum.DocFreq());

            // create enumeration of terms after term 'aaa',
            // including 'aaa'
            termEnum.SeekCeil(new BytesRef("aaa"));
            // assert that term is 'aaa'
            Assert.AreEqual("aaa", termEnum.Term().Utf8ToString());
            Assert.AreEqual(200, termEnum.DocFreq());
            // go to term 'bbb'
            termEnum.Next();
            // assert that term is 'bbb'
            Assert.AreEqual("bbb", termEnum.Term().Utf8ToString());
            Assert.AreEqual(100, termEnum.DocFreq());
            reader.Dispose();
        }
Ejemplo n.º 2
0
        public override sealed int DocFreq(Term term)
        {
            Fields fields = Fields;

            if (fields == null)
            {
                return(0);
            }
            Terms terms = fields.Terms(term.Field());

            if (terms == null)
            {
                return(0);
            }
            TermsEnum termsEnum = terms.Iterator(null);

            if (termsEnum.SeekExact(term.Bytes()))
            {
                return(termsEnum.DocFreq());
            }
            else
            {
                return(0);
            }
        }
Ejemplo n.º 3
0
        private void AssertSumDocFreq(IndexReader ir)
        {
            // compute sumDocFreq across all fields
            Fields fields = MultiFields.GetFields(ir);

            foreach (string f in fields)
            {
                Terms terms      = fields.Terms(f);
                long  sumDocFreq = terms.SumDocFreq;
                if (sumDocFreq == -1)
                {
                    if (VERBOSE)
                    {
                        Console.WriteLine("skipping field: " + f + ", codec does not support sumDocFreq");
                    }
                    continue;
                }

                long      computedSumDocFreq = 0;
                TermsEnum termsEnum          = terms.Iterator(null);
                while (termsEnum.Next() != null)
                {
                    computedSumDocFreq += termsEnum.DocFreq();
                }
                Assert.AreEqual(computedSumDocFreq, sumDocFreq);
            }
        }
Ejemplo n.º 4
0
        /// <summary>
        /// Creates a <seealso cref="TermContext"/> from a top-level <seealso cref="IndexReaderContext"/> and the
        /// given <seealso cref="Term"/>. this method will lookup the given term in all context's leaf readers
        /// and register each of the readers containing the term in the returned <seealso cref="TermContext"/>
        /// using the leaf reader's ordinal.
        /// <p>
        /// Note: the given context must be a top-level context.
        /// </summary>
        public static TermContext Build(IndexReaderContext context, Term term)
        {
            Debug.Assert(context != null && context.IsTopLevel);
            string      field = term.Field();
            BytesRef    bytes = term.Bytes();
            TermContext perReaderTermState = new TermContext(context);

            //if (DEBUG) System.out.println("prts.build term=" + term);
            foreach (AtomicReaderContext ctx in context.Leaves)
            {
                //if (DEBUG) System.out.println("  r=" + leaves[i].reader);
                Fields fields = ctx.AtomicReader.Fields;
                if (fields != null)
                {
                    Terms terms = fields.Terms(field);
                    if (terms != null)
                    {
                        TermsEnum termsEnum = terms.Iterator(null);
                        if (termsEnum.SeekExact(bytes))
                        {
                            TermState termState = termsEnum.TermState();
                            //if (DEBUG) System.out.println("    found");
                            perReaderTermState.Register(termState, ctx.Ord, termsEnum.DocFreq(), termsEnum.TotalTermFreq());
                        }
                    }
                }
            }
            return(perReaderTermState);
        }
Ejemplo n.º 5
0
        private void PrintSegment(StreamWriter @out, SegmentCommitInfo si)
        {
            SegmentReader reader = new SegmentReader(si, DirectoryReader.DEFAULT_TERMS_INDEX_DIVISOR, NewIOContext(Random()));

            for (int i = 0; i < reader.NumDocs; i++)
            {
                @out.WriteLine(reader.Document(i));
            }

            Fields fields = reader.Fields;

            foreach (string field in fields)
            {
                Terms terms = fields.Terms(field);
                Assert.IsNotNull(terms);
                TermsEnum tis = terms.Iterator(null);
                while (tis.Next() != null)
                {
                    @out.Write("  term=" + field + ":" + tis.Term());
                    @out.WriteLine("    DF=" + tis.DocFreq());

                    DocsAndPositionsEnum positions = tis.DocsAndPositions(reader.LiveDocs, null);

                    while (positions.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
                    {
                        @out.Write(" doc=" + positions.DocID());
                        @out.Write(" TF=" + positions.Freq());
                        @out.Write(" pos=");
                        @out.Write(positions.NextPosition());
                        for (int j = 1; j < positions.Freq(); j++)
                        {
                            @out.Write("," + positions.NextPosition());
                        }
                        @out.WriteLine("");
                    }
                }
            }
            reader.Dispose();
        }
Ejemplo n.º 6
0
        /// <summary>
        /// checks the terms enum sequentially
        /// if deep is false, it does a 'shallow' test that doesnt go down to the docsenums
        /// </summary>
        public void AssertTermsEnumEquals(string info, IndexReader leftReader, TermsEnum leftTermsEnum, TermsEnum rightTermsEnum, bool deep)
        {
            BytesRef term;
            Bits randomBits = new RandomBits(leftReader.MaxDoc, Random().NextDouble(), Random());
            DocsAndPositionsEnum leftPositions = null;
            DocsAndPositionsEnum rightPositions = null;
            DocsEnum leftDocs = null;
            DocsEnum rightDocs = null;

            while ((term = leftTermsEnum.Next()) != null)
            {
                Assert.AreEqual(term, rightTermsEnum.Next(), info);
                AssertTermStatsEquals(info, leftTermsEnum, rightTermsEnum);
                if (deep)
                {
                    AssertDocsAndPositionsEnumEquals(info, leftPositions = leftTermsEnum.DocsAndPositions(null, leftPositions), rightPositions = rightTermsEnum.DocsAndPositions(null, rightPositions));
                    AssertDocsAndPositionsEnumEquals(info, leftPositions = leftTermsEnum.DocsAndPositions(randomBits, leftPositions), rightPositions = rightTermsEnum.DocsAndPositions(randomBits, rightPositions));

                    AssertPositionsSkippingEquals(info, leftReader, leftTermsEnum.DocFreq(), leftPositions = leftTermsEnum.DocsAndPositions(null, leftPositions), rightPositions = rightTermsEnum.DocsAndPositions(null, rightPositions));
                    AssertPositionsSkippingEquals(info, leftReader, leftTermsEnum.DocFreq(), leftPositions = leftTermsEnum.DocsAndPositions(randomBits, leftPositions), rightPositions = rightTermsEnum.DocsAndPositions(randomBits, rightPositions));

                    // with freqs:
                    AssertDocsEnumEquals(info, leftDocs = leftTermsEnum.Docs(null, leftDocs), rightDocs = rightTermsEnum.Docs(null, rightDocs), true);
                    AssertDocsEnumEquals(info, leftDocs = leftTermsEnum.Docs(randomBits, leftDocs), rightDocs = rightTermsEnum.Docs(randomBits, rightDocs), true);

                    // w/o freqs:
                    AssertDocsEnumEquals(info, leftDocs = leftTermsEnum.Docs(null, leftDocs, DocsEnum.FLAG_NONE), rightDocs = rightTermsEnum.Docs(null, rightDocs, DocsEnum.FLAG_NONE), false);
                    AssertDocsEnumEquals(info, leftDocs = leftTermsEnum.Docs(randomBits, leftDocs, DocsEnum.FLAG_NONE), rightDocs = rightTermsEnum.Docs(randomBits, rightDocs, DocsEnum.FLAG_NONE), false);

                    // with freqs:
                    AssertDocsSkippingEquals(info, leftReader, leftTermsEnum.DocFreq(), leftDocs = leftTermsEnum.Docs(null, leftDocs), rightDocs = rightTermsEnum.Docs(null, rightDocs), true);
                    AssertDocsSkippingEquals(info, leftReader, leftTermsEnum.DocFreq(), leftDocs = leftTermsEnum.Docs(randomBits, leftDocs), rightDocs = rightTermsEnum.Docs(randomBits, rightDocs), true);

                    // w/o freqs:
                    AssertDocsSkippingEquals(info, leftReader, leftTermsEnum.DocFreq(), leftDocs = leftTermsEnum.Docs(null, leftDocs, DocsEnum.FLAG_NONE), rightDocs = rightTermsEnum.Docs(null, rightDocs, DocsEnum.FLAG_NONE), false);
                    AssertDocsSkippingEquals(info, leftReader, leftTermsEnum.DocFreq(), leftDocs = leftTermsEnum.Docs(randomBits, leftDocs, DocsEnum.FLAG_NONE), rightDocs = rightTermsEnum.Docs(randomBits, rightDocs, DocsEnum.FLAG_NONE), false);
                }
            }
            Assert.IsNull(rightTermsEnum.Next(), info);
        }
Ejemplo n.º 7
0
            public virtual void _run()
            {
                for (int iter = 0; iter < NUM_TEST_ITER; iter++)
                {
                    FieldData field     = Fields[Random().Next(Fields.Length)];
                    TermsEnum termsEnum = TermsDict.Terms(field.FieldInfo.Name).Iterator(null);
                    if (Si.Codec is Lucene3xCodec)
                    {
                        // code below expects unicode sort order
                        continue;
                    }

                    int upto = 0;
                    // Test straight enum of the terms:
                    while (true)
                    {
                        BytesRef term = termsEnum.Next();
                        if (term == null)
                        {
                            break;
                        }
                        BytesRef expected = new BytesRef(field.Terms[upto++].Text2);
                        Assert.IsTrue(expected.BytesEquals(term), "expected=" + expected + " vs actual " + term);
                    }
                    Assert.AreEqual(upto, field.Terms.Length);

                    // Test random seek:
                    TermData             term2  = field.Terms[Random().Next(field.Terms.Length)];
                    TermsEnum.SeekStatus status = termsEnum.SeekCeil(new BytesRef(term2.Text2));
                    Assert.AreEqual(status, TermsEnum.SeekStatus.FOUND);
                    Assert.AreEqual(term2.Docs.Length, termsEnum.DocFreq());
                    if (field.OmitTF)
                    {
                        this.VerifyDocs(term2.Docs, term2.Positions, TestUtil.Docs(Random(), termsEnum, null, null, DocsEnum.FLAG_NONE), false);
                    }
                    else
                    {
                        this.VerifyDocs(term2.Docs, term2.Positions, termsEnum.DocsAndPositions(null, null), true);
                    }

                    // Test random seek by ord:
                    int idx = Random().Next(field.Terms.Length);
                    term2 = field.Terms[idx];
                    bool success = false;
                    try
                    {
                        termsEnum.SeekExact(idx);
                        success = true;
                    }
                    catch (System.NotSupportedException uoe)
                    {
                        // ok -- skip it
                    }
                    if (success)
                    {
                        Assert.AreEqual(status, TermsEnum.SeekStatus.FOUND);
                        Assert.IsTrue(termsEnum.Term().BytesEquals(new BytesRef(term2.Text2)));
                        Assert.AreEqual(term2.Docs.Length, termsEnum.DocFreq());
                        if (field.OmitTF)
                        {
                            this.VerifyDocs(term2.Docs, term2.Positions, TestUtil.Docs(Random(), termsEnum, null, null, DocsEnum.FLAG_NONE), false);
                        }
                        else
                        {
                            this.VerifyDocs(term2.Docs, term2.Positions, termsEnum.DocsAndPositions(null, null), true);
                        }
                    }

                    // Test seek to non-existent terms:
                    if (VERBOSE)
                    {
                        Console.WriteLine("TEST: seek non-exist terms");
                    }
                    for (int i = 0; i < 100; i++)
                    {
                        string text2 = TestUtil.RandomUnicodeString(Random()) + ".";
                        status = termsEnum.SeekCeil(new BytesRef(text2));
                        Assert.IsTrue(status == TermsEnum.SeekStatus.NOT_FOUND || status == TermsEnum.SeekStatus.END);
                    }

                    // Seek to each term, backwards:
                    if (VERBOSE)
                    {
                        Console.WriteLine("TEST: seek terms backwards");
                    }
                    for (int i = field.Terms.Length - 1; i >= 0; i--)
                    {
                        Assert.AreEqual(TermsEnum.SeekStatus.FOUND, termsEnum.SeekCeil(new BytesRef(field.Terms[i].Text2)), Thread.CurrentThread.Name + ": field=" + field.FieldInfo.Name + " term=" + field.Terms[i].Text2);
                        Assert.AreEqual(field.Terms[i].Docs.Length, termsEnum.DocFreq());
                    }

                    // Seek to each term by ord, backwards
                    for (int i = field.Terms.Length - 1; i >= 0; i--)
                    {
                        try
                        {
                            termsEnum.SeekExact(i);
                            Assert.AreEqual(field.Terms[i].Docs.Length, termsEnum.DocFreq());
                            Assert.IsTrue(termsEnum.Term().BytesEquals(new BytesRef(field.Terms[i].Text2)));
                        }
                        catch (System.NotSupportedException uoe)
                        {
                        }
                    }

                    // Seek to non-existent empty-string term
                    status = termsEnum.SeekCeil(new BytesRef(""));
                    Assert.IsNotNull(status);
                    //Assert.AreEqual(TermsEnum.SeekStatus.NOT_FOUND, status);

                    // Make sure we're now pointing to first term
                    Assert.IsTrue(termsEnum.Term().BytesEquals(new BytesRef(field.Terms[0].Text2)));

                    // Test docs enum
                    termsEnum.SeekCeil(new BytesRef(""));
                    upto = 0;
                    do
                    {
                        term2 = field.Terms[upto];
                        if (Random().Next(3) == 1)
                        {
                            DocsEnum             docs;
                            DocsEnum             docsAndFreqs;
                            DocsAndPositionsEnum postings;
                            if (!field.OmitTF)
                            {
                                postings = termsEnum.DocsAndPositions(null, null);
                                if (postings != null)
                                {
                                    docs = docsAndFreqs = postings;
                                }
                                else
                                {
                                    docs = docsAndFreqs = TestUtil.Docs(Random(), termsEnum, null, null, DocsEnum.FLAG_FREQS);
                                }
                            }
                            else
                            {
                                postings     = null;
                                docsAndFreqs = null;
                                docs         = TestUtil.Docs(Random(), termsEnum, null, null, DocsEnum.FLAG_NONE);
                            }
                            Assert.IsNotNull(docs);
                            int  upto2 = -1;
                            bool ended = false;
                            while (upto2 < term2.Docs.Length - 1)
                            {
                                // Maybe skip:
                                int left = term2.Docs.Length - upto2;
                                int doc;
                                if (Random().Next(3) == 1 && left >= 1)
                                {
                                    int inc = 1 + Random().Next(left - 1);
                                    upto2 += inc;
                                    if (Random().Next(2) == 1)
                                    {
                                        doc = docs.Advance(term2.Docs[upto2]);
                                        Assert.AreEqual(term2.Docs[upto2], doc);
                                    }
                                    else
                                    {
                                        doc = docs.Advance(1 + term2.Docs[upto2]);
                                        if (doc == DocIdSetIterator.NO_MORE_DOCS)
                                        {
                                            // skipped past last doc
                                            Debug.Assert(upto2 == term2.Docs.Length - 1);
                                            ended = true;
                                            break;
                                        }
                                        else
                                        {
                                            // skipped to next doc
                                            Debug.Assert(upto2 < term2.Docs.Length - 1);
                                            if (doc >= term2.Docs[1 + upto2])
                                            {
                                                upto2++;
                                            }
                                        }
                                    }
                                }
                                else
                                {
                                    doc = docs.NextDoc();
                                    Assert.IsTrue(doc != -1);
                                    upto2++;
                                }
                                Assert.AreEqual(term2.Docs[upto2], doc);
                                if (!field.OmitTF)
                                {
                                    Assert.AreEqual(term2.Positions[upto2].Length, postings.Freq());
                                    if (Random().Next(2) == 1)
                                    {
                                        this.VerifyPositions(term2.Positions[upto2], postings);
                                    }
                                }
                            }

                            if (!ended)
                            {
                                Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, docs.NextDoc());
                            }
                        }
                        upto++;
                    } while (termsEnum.Next() != null);

                    Assert.AreEqual(upto, field.Terms.Length);
                }
            }
Ejemplo n.º 8
0
 public override int DocFreq()
 {
     return(TermsEnum.DocFreq());
 }
Ejemplo n.º 9
0
        /// <summary>
        /// Call this only once (if you subclass!) </summary>
        protected internal virtual void Uninvert(AtomicReader reader, Bits liveDocs, BytesRef termPrefix)
        {
            FieldInfo info = reader.FieldInfos.FieldInfo(Field);

            if (info != null && info.HasDocValues())
            {
                throw new InvalidOperationException("Type mismatch: " + Field + " was indexed as " + info.DocValuesType);
            }
            //System.out.println("DTO uninvert field=" + field + " prefix=" + termPrefix);
            long startTime = DateTime.Now.Millisecond;

            Prefix = termPrefix == null ? null : BytesRef.DeepCopyOf(termPrefix);

            int maxDoc = reader.MaxDoc;

            int[]     index    = new int[maxDoc];     // immediate term numbers, or the index into the byte[] representing the last number
            int[]     lastTerm = new int[maxDoc];     // last term we saw for this document
            sbyte[][] bytes    = new sbyte[maxDoc][]; // list of term numbers for the doc (delta encoded vInts)

            Fields fields = reader.Fields;

            if (fields == null)
            {
                // No terms
                return;
            }
            Terms terms = fields.Terms(Field);

            if (terms == null)
            {
                // No terms
                return;
            }

            TermsEnum te        = terms.Iterator(null);
            BytesRef  seekStart = termPrefix != null ? termPrefix : new BytesRef();

            //System.out.println("seekStart=" + seekStart.utf8ToString());
            if (te.SeekCeil(seekStart) == TermsEnum.SeekStatus.END)
            {
                // No terms match
                return;
            }

            // If we need our "term index wrapper", these will be
            // init'd below:
            IList <BytesRef> indexedTerms      = null;
            PagedBytes       indexedTermsBytes = null;

            bool testedOrd = false;

            // we need a minimum of 9 bytes, but round up to 12 since the space would
            // be wasted with most allocators anyway.
            sbyte[] tempArr = new sbyte[12];

            //
            // enumerate all terms, and build an intermediate form of the un-inverted field.
            //
            // During this intermediate form, every document has a (potential) byte[]
            // and the int[maxDoc()] array either contains the termNumber list directly
            // or the *end* offset of the termNumber list in it's byte array (for faster
            // appending and faster creation of the final form).
            //
            // idea... if things are too large while building, we could do a range of docs
            // at a time (but it would be a fair amount slower to build)
            // could also do ranges in parallel to take advantage of multiple CPUs

            // OPTIONAL: remap the largest df terms to the lowest 128 (single byte)
            // values.  this requires going over the field first to find the most
            // frequent terms ahead of time.

            int termNum = 0;

            DocsEnum = null;

            // Loop begins with te positioned to first term (we call
            // seek above):
            for (; ;)
            {
                BytesRef t = te.Term();
                if (t == null || (termPrefix != null && !StringHelper.StartsWith(t, termPrefix)))
                {
                    break;
                }
                //System.out.println("visit term=" + t.utf8ToString() + " " + t + " termNum=" + termNum);

                if (!testedOrd)
                {
                    try
                    {
                        OrdBase = (int)te.Ord();
                        //System.out.println("got ordBase=" + ordBase);
                    }
                    catch (System.NotSupportedException uoe)
                    {
                        // Reader cannot provide ord support, so we wrap
                        // our own support by creating our own terms index:
                        indexedTerms      = new List <BytesRef>();
                        indexedTermsBytes = new PagedBytes(15);
                        //System.out.println("NO ORDS");
                    }
                    testedOrd = true;
                }

                VisitTerm(te, termNum);

                if (indexedTerms != null && (termNum & IndexIntervalMask) == 0)
                {
                    // Index this term
                    SizeOfIndexedStrings += t.Length;
                    BytesRef indexedTerm = new BytesRef();
                    indexedTermsBytes.Copy(t, indexedTerm);
                    // TODO: really should 1) strip off useless suffix,
                    // and 2) use FST not array/PagedBytes
                    indexedTerms.Add(indexedTerm);
                }

                int df = te.DocFreq();
                if (df <= MaxTermDocFreq)
                {
                    DocsEnum = te.Docs(liveDocs, DocsEnum, DocsEnum.FLAG_NONE);

                    // dF, but takes deletions into account
                    int actualDF = 0;

                    for (; ;)
                    {
                        int doc = DocsEnum.NextDoc();
                        if (doc == DocIdSetIterator.NO_MORE_DOCS)
                        {
                            break;
                        }
                        //System.out.println("  chunk=" + chunk + " docs");

                        actualDF++;
                        TermInstances++;

                        //System.out.println("    docID=" + doc);
                        // add TNUM_OFFSET to the term number to make room for special reserved values:
                        // 0 (end term) and 1 (index into byte array follows)
                        int delta = termNum - lastTerm[doc] + TNUM_OFFSET;
                        lastTerm[doc] = termNum;
                        int val = index[doc];

                        if ((val & 0xff) == 1)
                        {
                            // index into byte array (actually the end of
                            // the doc-specific byte[] when building)
                            int     pos    = (int)((uint)val >> 8);
                            int     ilen   = VIntSize(delta);
                            sbyte[] arr    = bytes[doc];
                            int     newend = pos + ilen;
                            if (newend > arr.Length)
                            {
                                // We avoid a doubling strategy to lower memory usage.
                                // this faceting method isn't for docs with many terms.
                                // In hotspot, objects have 2 words of overhead, then fields, rounded up to a 64-bit boundary.
                                // TODO: figure out what array lengths we can round up to w/o actually using more memory
                                // (how much space does a byte[] take up?  Is data preceded by a 32 bit length only?
                                // It should be safe to round up to the nearest 32 bits in any case.
                                int     newLen = (newend + 3) & unchecked ((int)0xfffffffc); // 4 byte alignment
                                sbyte[] newarr = new sbyte[newLen];
                                Array.Copy(arr, 0, newarr, 0, pos);
                                arr        = newarr;
                                bytes[doc] = newarr;
                            }
                            pos        = WriteInt(delta, arr, pos);
                            index[doc] = (pos << 8) | 1; // update pointer to end index in byte[]
                        }
                        else
                        {
                            // OK, this int has data in it... find the end (a zero starting byte - not
                            // part of another number, hence not following a byte with the high bit set).
                            int ipos;
                            if (val == 0)
                            {
                                ipos = 0;
                            }
                            else if ((val & 0x0000ff80) == 0)
                            {
                                ipos = 1;
                            }
                            else if ((val & 0x00ff8000) == 0)
                            {
                                ipos = 2;
                            }
                            else if ((val & 0xff800000) == 0)
                            {
                                ipos = 3;
                            }
                            else
                            {
                                ipos = 4;
                            }

                            //System.out.println("      ipos=" + ipos);

                            int endPos = WriteInt(delta, tempArr, ipos);
                            //System.out.println("      endpos=" + endPos);
                            if (endPos <= 4)
                            {
                                //System.out.println("      fits!");
                                // value will fit in the integer... move bytes back
                                for (int j = ipos; j < endPos; j++)
                                {
                                    val |= (tempArr[j] & 0xff) << (j << 3);
                                }
                                index[doc] = val;
                            }
                            else
                            {
                                // value won't fit... move integer into byte[]
                                for (int j = 0; j < ipos; j++)
                                {
                                    tempArr[j] = (sbyte)val;
                                    val        = (int)((uint)val >> 8);
                                }
                                // point at the end index in the byte[]
                                index[doc] = (endPos << 8) | 1;
                                bytes[doc] = tempArr;
                                tempArr    = new sbyte[12];
                            }
                        }
                    }
                    SetActualDocFreq(termNum, actualDF);
                }

                termNum++;
                if (te.Next() == null)
                {
                    break;
                }
            }

            NumTermsInField = termNum;

            long midPoint = DateTime.Now.Millisecond;

            if (TermInstances == 0)
            {
                // we didn't invert anything
                // lower memory consumption.
                Tnums = null;
            }
            else
            {
                this.Index = index;

                //
                // transform intermediate form into the final form, building a single byte[]
                // at a time, and releasing the intermediate byte[]s as we go to avoid
                // increasing the memory footprint.
                //

                for (int pass = 0; pass < 256; pass++)
                {
                    sbyte[] target = Tnums[pass];
                    int     pos    = 0; // end in target;
                    if (target != null)
                    {
                        pos = target.Length;
                    }
                    else
                    {
                        target = new sbyte[4096];
                    }

                    // loop over documents, 0x00ppxxxx, 0x01ppxxxx, 0x02ppxxxx
                    // where pp is the pass (which array we are building), and xx is all values.
                    // each pass shares the same byte[] for termNumber lists.
                    for (int docbase = pass << 16; docbase < maxDoc; docbase += (1 << 24))
                    {
                        int lim = Math.Min(docbase + (1 << 16), maxDoc);
                        for (int doc = docbase; doc < lim; doc++)
                        {
                            //System.out.println("  pass="******" process docID=" + doc);
                            int val = index[doc];
                            if ((val & 0xff) == 1)
                            {
                                int len = (int)((uint)val >> 8);
                                //System.out.println("    ptr pos=" + pos);
                                index[doc] = (pos << 8) | 1; // change index to point to start of array
                                if ((pos & 0xff000000) != 0)
                                {
                                    // we only have 24 bits for the array index
                                    throw new InvalidOperationException("Too many values for UnInvertedField faceting on field " + Field);
                                }
                                sbyte[] arr = bytes[doc];

                                /*
                                 * for(byte b : arr) {
                                 * //System.out.println("      b=" + Integer.toHexString((int) b));
                                 * }
                                 */
                                bytes[doc] = null; // IMPORTANT: allow GC to avoid OOM
                                if (target.Length <= pos + len)
                                {
                                    int newlen = target.Length;
                                    /// <summary>
                                    ///* we don't have to worry about the array getting too large
                                    /// since the "pos" param will overflow first (only 24 bits available)
                                    /// if ((newlen<<1) <= 0) {
                                    ///  // overflow...
                                    ///  newlen = Integer.MAX_VALUE;
                                    ///  if (newlen <= pos + len) {
                                    ///    throw new SolrException(400,"Too many terms to uninvert field!");
                                    ///  }
                                    /// } else {
                                    ///  while (newlen <= pos + len) newlen<<=1;  // doubling strategy
                                    /// }
                                    /// ***
                                    /// </summary>
                                    while (newlen <= pos + len) // doubling strategy
                                    {
                                        newlen <<= 1;
                                    }
                                    sbyte[] newtarget = new sbyte[newlen];
                                    Array.Copy(target, 0, newtarget, 0, pos);
                                    target = newtarget;
                                }
                                Array.Copy(arr, 0, target, pos, len);
                                pos += len + 1; // skip single byte at end and leave it 0 for terminator
                            }
                        }
                    }

                    // shrink array
                    if (pos < target.Length)
                    {
                        sbyte[] newtarget = new sbyte[pos];
                        Array.Copy(target, 0, newtarget, 0, pos);
                        target = newtarget;
                    }

                    Tnums[pass] = target;

                    if ((pass << 16) > maxDoc)
                    {
                        break;
                    }
                }
            }
            if (indexedTerms != null)
            {
                IndexedTermsArray = indexedTerms.ToArray();
            }

            long endTime = DateTime.Now.Millisecond;

            Total_time  = (int)(endTime - startTime);
            Phase1_time = (int)(midPoint - startTime);
        }
 /// <summary>
 /// checks term-level statistics
 /// </summary>
 public virtual void AssertTermStats(TermsEnum leftTermsEnum, TermsEnum rightTermsEnum)
 {
     Assert.AreEqual(leftTermsEnum.DocFreq(), rightTermsEnum.DocFreq());
     if (leftTermsEnum.TotalTermFreq() != -1 && rightTermsEnum.TotalTermFreq() != -1)
     {
         Assert.AreEqual(leftTermsEnum.TotalTermFreq(), rightTermsEnum.TotalTermFreq());
     }
 }
Ejemplo n.º 11
0
        public virtual void TestIntersectRandom()
        {
            Directory         dir = NewDirectory();
            RandomIndexWriter w   = new RandomIndexWriter(Random(), dir, Similarity, TimeZone);

            int numTerms = AtLeast(300);
            //final int numTerms = 50;

            HashSet <string>             terms        = new HashSet <string>();
            ICollection <string>         pendingTerms = new List <string>();
            IDictionary <BytesRef, int?> termToID     = new Dictionary <BytesRef, int?>();
            int id = 0;

            while (terms.Count != numTerms)
            {
                string s = RandomString;
                if (!terms.Contains(s))
                {
                    terms.Add(s);
                    pendingTerms.Add(s);
                    if (Random().Next(20) == 7)
                    {
                        AddDoc(w, pendingTerms, termToID, id++);
                    }
                }
            }
            AddDoc(w, pendingTerms, termToID, id++);

            BytesRef[]         termsArray = new BytesRef[terms.Count];
            HashSet <BytesRef> termsSet   = new HashSet <BytesRef>();

            {
                int upto = 0;
                foreach (string s in terms)
                {
                    BytesRef b = new BytesRef(s);
                    termsArray[upto++] = b;
                    termsSet.Add(b);
                }
                Array.Sort(termsArray);
            }

            if (VERBOSE)
            {
                Console.WriteLine("\nTEST: indexed terms (unicode order):");
                foreach (BytesRef t in termsArray)
                {
                    Console.WriteLine("  " + t.Utf8ToString() + " -> id:" + termToID[t]);
                }
            }

            IndexReader r = w.Reader;

            w.Dispose();

            // NOTE: intentional insanity!!
            FieldCache.Ints docIDToID = FieldCache.DEFAULT.GetInts(SlowCompositeReaderWrapper.Wrap(r), "id", false);

            for (int iter = 0; iter < 10 * RANDOM_MULTIPLIER; iter++)
            {
                // TODO: can we also test infinite As here...?

                // From the random terms, pick some ratio and compile an
                // automaton:
                HashSet <string>     acceptTerms       = new HashSet <string>();
                SortedSet <BytesRef> sortedAcceptTerms = new SortedSet <BytesRef>();
                double    keepPct = Random().NextDouble();
                Automaton a;
                if (iter == 0)
                {
                    if (VERBOSE)
                    {
                        Console.WriteLine("\nTEST: empty automaton");
                    }
                    a = BasicAutomata.MakeEmpty();
                }
                else
                {
                    if (VERBOSE)
                    {
                        Console.WriteLine("\nTEST: keepPct=" + keepPct);
                    }
                    foreach (string s in terms)
                    {
                        string s2;
                        if (Random().NextDouble() <= keepPct)
                        {
                            s2 = s;
                        }
                        else
                        {
                            s2 = RandomString;
                        }
                        acceptTerms.Add(s2);
                        sortedAcceptTerms.Add(new BytesRef(s2));
                    }
                    a = BasicAutomata.MakeStringUnion(sortedAcceptTerms);
                }

                if (Random().NextBoolean())
                {
                    if (VERBOSE)
                    {
                        Console.WriteLine("TEST: reduce the automaton");
                    }
                    a.Reduce();
                }

                CompiledAutomaton c = new CompiledAutomaton(a, true, false);

                BytesRef[]         acceptTermsArray = new BytesRef[acceptTerms.Count];
                HashSet <BytesRef> acceptTermsSet   = new HashSet <BytesRef>();
                int upto = 0;
                foreach (string s in acceptTerms)
                {
                    BytesRef b = new BytesRef(s);
                    acceptTermsArray[upto++] = b;
                    acceptTermsSet.Add(b);
                    Assert.IsTrue(Accepts(c, b));
                }
                Array.Sort(acceptTermsArray);

                if (VERBOSE)
                {
                    Console.WriteLine("\nTEST: accept terms (unicode order):");
                    foreach (BytesRef t in acceptTermsArray)
                    {
                        Console.WriteLine("  " + t.Utf8ToString() + (termsSet.Contains(t) ? " (exists)" : ""));
                    }
                    Console.WriteLine(a.ToDot());
                }

                for (int iter2 = 0; iter2 < 100; iter2++)
                {
                    BytesRef startTerm = acceptTermsArray.Length == 0 || Random().NextBoolean() ? null : acceptTermsArray[Random().Next(acceptTermsArray.Length)];

                    if (VERBOSE)
                    {
                        Console.WriteLine("\nTEST: iter2=" + iter2 + " startTerm=" + (startTerm == null ? "<null>" : startTerm.Utf8ToString()));

                        if (startTerm != null)
                        {
                            int state = c.RunAutomaton.InitialState;
                            for (int idx = 0; idx < startTerm.Length; idx++)
                            {
                                int label = startTerm.Bytes[startTerm.Offset + idx] & 0xff;
                                Console.WriteLine("  state=" + state + " label=" + label);
                                state = c.RunAutomaton.Step(state, label);
                                Assert.IsTrue(state != -1);
                            }
                            Console.WriteLine("  state=" + state);
                        }
                    }

                    TermsEnum te = MultiFields.GetTerms(r, "f").Intersect(c, startTerm);

                    int loc;
                    if (startTerm == null)
                    {
                        loc = 0;
                    }
                    else
                    {
                        loc = Array.BinarySearch(termsArray, BytesRef.DeepCopyOf(startTerm));
                        if (loc < 0)
                        {
                            loc = -(loc + 1);
                        }
                        else
                        {
                            // startTerm exists in index
                            loc++;
                        }
                    }
                    while (loc < termsArray.Length && !acceptTermsSet.Contains(termsArray[loc]))
                    {
                        loc++;
                    }

                    DocsEnum docsEnum = null;
                    while (loc < termsArray.Length)
                    {
                        BytesRef expected = termsArray[loc];
                        BytesRef actual   = te.Next();
                        if (VERBOSE)
                        {
                            Console.WriteLine("TEST:   next() expected=" + expected.Utf8ToString() + " actual=" + (actual == null ? "null" : actual.Utf8ToString()));
                        }
                        Assert.AreEqual(expected, actual);
                        Assert.AreEqual(1, te.DocFreq());
                        docsEnum = TestUtil.Docs(Random(), te, null, docsEnum, DocsEnum.FLAG_NONE);
                        int docID = docsEnum.NextDoc();
                        Assert.IsTrue(docID != DocIdSetIterator.NO_MORE_DOCS);
                        Assert.AreEqual(docIDToID.Get(docID), (int)termToID[expected]);
                        do
                        {
                            loc++;
                        } while (loc < termsArray.Length && !acceptTermsSet.Contains(termsArray[loc]));
                    }
                    Assert.IsNull(te.Next());
                }
            }

            r.Dispose();
            dir.Dispose();
        }
Ejemplo n.º 12
0
        public virtual void Test()
        {
            IList <string> postingsList   = new List <string>();
            int            numTerms       = AtLeast(300);
            int            maxTermsPerDoc = TestUtil.NextInt(Random(), 10, 20);

            bool isSimpleText = "SimpleText".Equals(TestUtil.GetPostingsFormat("field"));

            IndexWriterConfig iwc = NewIndexWriterConfig(Random(), TEST_VERSION_CURRENT, new MockAnalyzer(Random()));

            if ((isSimpleText || iwc.MergePolicy is MockRandomMergePolicy) && (TEST_NIGHTLY || RANDOM_MULTIPLIER > 1))
            {
                // Otherwise test can take way too long (> 2 hours)
                numTerms /= 2;
            }

            if (VERBOSE)
            {
                Console.WriteLine("maxTermsPerDoc=" + maxTermsPerDoc);
                Console.WriteLine("numTerms=" + numTerms);
            }

            for (int i = 0; i < numTerms; i++)
            {
                string term = Convert.ToString(i);
                for (int j = 0; j < i; j++)
                {
                    postingsList.Add(term);
                }
            }
            postingsList = CollectionsHelper.Shuffle(postingsList);

            ConcurrentQueue <string> postings = new ConcurrentQueue <string>(postingsList);

            Directory         dir = NewFSDirectory(CreateTempDir("bagofpostings"));
            RandomIndexWriter iw  = new RandomIndexWriter(Random(), dir, iwc);

            int threadCount = TestUtil.NextInt(Random(), 1, 5);

            if (VERBOSE)
            {
                Console.WriteLine("config: " + iw.w.Config);
                Console.WriteLine("threadCount=" + threadCount);
            }

            ThreadClass[]  threads     = new ThreadClass[threadCount];
            CountdownEvent startingGun = new CountdownEvent(1);

            for (int threadID = 0; threadID < threadCount; threadID++)
            {
                threads[threadID] = new ThreadAnonymousInnerClassHelper(this, maxTermsPerDoc, postings, iw, startingGun);
                threads[threadID].Start();
            }
            startingGun.Signal();
            foreach (ThreadClass t in threads)
            {
                t.Join();
            }

            iw.ForceMerge(1);
            DirectoryReader ir = iw.Reader;

            Assert.AreEqual(1, ir.Leaves.Count);
            AtomicReader air   = (AtomicReader)ir.Leaves[0].Reader;
            Terms        terms = air.Terms("field");

            // numTerms-1 because there cannot be a term 0 with 0 postings:
            Assert.AreEqual(numTerms - 1, air.Fields.UniqueTermCount);
            if (iwc.Codec is Lucene3xCodec == false)
            {
                Assert.AreEqual(numTerms - 1, terms.Size());
            }
            TermsEnum termsEnum = terms.Iterator(null);
            BytesRef  term_;

            while ((term_ = termsEnum.Next()) != null)
            {
                int value = Convert.ToInt32(term_.Utf8ToString());
                Assert.AreEqual(value, termsEnum.DocFreq());
                // don't really need to check more than this, as CheckIndex
                // will verify that docFreq == actual number of documents seen
                // from a docsAndPositionsEnum.
            }
            ir.Dispose();
            iw.Dispose();
            dir.Dispose();
        }
        private void VerifyEnum(ThreadState threadState, string field, BytesRef term, TermsEnum termsEnum, FieldInfo.IndexOptions maxTestOptions, FieldInfo.IndexOptions maxIndexOptions, ISet<Option> options, bool alwaysTestMax)
        // Maximum options (docs/freqs/positions/offsets) to test:
        {
            if (VERBOSE)
            {
                Console.WriteLine("  verifyEnum: options=" + options + " maxTestOptions=" + maxTestOptions);
            }

            // Make sure TermsEnum really is positioned on the
            // expected term:
            Assert.AreEqual(term, termsEnum.Term());

            // 50% of the time time pass liveDocs:
            bool useLiveDocs = options.Contains(Option.LIVE_DOCS) && Random().NextBoolean();
            Bits liveDocs;
            if (useLiveDocs)
            {
                liveDocs = GlobalLiveDocs;
                if (VERBOSE)
                {
                    Console.WriteLine("  use liveDocs");
                }
            }
            else
            {
                liveDocs = null;
                if (VERBOSE)
                {
                    Console.WriteLine("  no liveDocs");
                }
            }

            FieldInfo fieldInfo = CurrentFieldInfos.FieldInfo(field);

            // NOTE: can be empty list if we are using liveDocs:
            SeedPostings expected = GetSeedPostings(term.Utf8ToString(), Fields[field][term], useLiveDocs, maxIndexOptions);
            Assert.AreEqual(expected.DocFreq, termsEnum.DocFreq());

            bool allowFreqs = fieldInfo.FieldIndexOptions >= FieldInfo.IndexOptions.DOCS_AND_FREQS && maxTestOptions.CompareTo(FieldInfo.IndexOptions.DOCS_AND_FREQS) >= 0;
            bool doCheckFreqs = allowFreqs && (alwaysTestMax || Random().Next(3) <= 2);

            bool allowPositions = fieldInfo.FieldIndexOptions >= FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS && maxTestOptions.CompareTo(FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS) >= 0;
            bool doCheckPositions = allowPositions && (alwaysTestMax || Random().Next(3) <= 2);

            bool allowOffsets = fieldInfo.FieldIndexOptions >= FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS && maxTestOptions.CompareTo(FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS) >= 0;
            bool doCheckOffsets = allowOffsets && (alwaysTestMax || Random().Next(3) <= 2);

            bool doCheckPayloads = options.Contains(Option.PAYLOADS) && allowPositions && fieldInfo.HasPayloads() && (alwaysTestMax || Random().Next(3) <= 2);

            DocsEnum prevDocsEnum = null;

            DocsEnum docsEnum;
            DocsAndPositionsEnum docsAndPositionsEnum;

            if (!doCheckPositions)
            {
                if (allowPositions && Random().Next(10) == 7)
                {
                    // 10% of the time, even though we will not check positions, pull a DocsAndPositions enum

                    if (options.Contains(Option.REUSE_ENUMS) && Random().Next(10) < 9)
                    {
                        prevDocsEnum = threadState.ReuseDocsAndPositionsEnum;
                    }

                    int flags = 0;
                    if (alwaysTestMax || Random().NextBoolean())
                    {
                        flags |= DocsAndPositionsEnum.FLAG_OFFSETS;
                    }
                    if (alwaysTestMax || Random().NextBoolean())
                    {
                        flags |= DocsAndPositionsEnum.FLAG_PAYLOADS;
                    }

                    if (VERBOSE)
                    {
                        Console.WriteLine("  get DocsAndPositionsEnum (but we won't check positions) flags=" + flags);
                    }

                    threadState.ReuseDocsAndPositionsEnum = termsEnum.DocsAndPositions(liveDocs, (DocsAndPositionsEnum)prevDocsEnum, flags);
                    docsEnum = threadState.ReuseDocsAndPositionsEnum;
                    docsAndPositionsEnum = threadState.ReuseDocsAndPositionsEnum;
                }
                else
                {
                    if (VERBOSE)
                    {
                        Console.WriteLine("  get DocsEnum");
                    }
                    if (options.Contains(Option.REUSE_ENUMS) && Random().Next(10) < 9)
                    {
                        prevDocsEnum = threadState.ReuseDocsEnum;
                    }
                    threadState.ReuseDocsEnum = termsEnum.Docs(liveDocs, prevDocsEnum, doCheckFreqs ? DocsEnum.FLAG_FREQS : DocsEnum.FLAG_NONE);
                    docsEnum = threadState.ReuseDocsEnum;
                    docsAndPositionsEnum = null;
                }
            }
            else
            {
                if (options.Contains(Option.REUSE_ENUMS) && Random().Next(10) < 9)
                {
                    prevDocsEnum = threadState.ReuseDocsAndPositionsEnum;
                }

                int flags = 0;
                if (alwaysTestMax || doCheckOffsets || Random().Next(3) == 1)
                {
                    flags |= DocsAndPositionsEnum.FLAG_OFFSETS;
                }
                if (alwaysTestMax || doCheckPayloads || Random().Next(3) == 1)
                {
                    flags |= DocsAndPositionsEnum.FLAG_PAYLOADS;
                }

                if (VERBOSE)
                {
                    Console.WriteLine("  get DocsAndPositionsEnum flags=" + flags);
                }

                threadState.ReuseDocsAndPositionsEnum = termsEnum.DocsAndPositions(liveDocs, (DocsAndPositionsEnum)prevDocsEnum, flags);
                docsEnum = threadState.ReuseDocsAndPositionsEnum;
                docsAndPositionsEnum = threadState.ReuseDocsAndPositionsEnum;
            }

            Assert.IsNotNull(docsEnum, "null DocsEnum");
            int initialDocID = docsEnum.DocID();
            Assert.AreEqual(-1, initialDocID, "inital docID should be -1" + docsEnum);

            if (VERBOSE)
            {
                if (prevDocsEnum == null)
                {
                    Console.WriteLine("  got enum=" + docsEnum);
                }
                else if (prevDocsEnum == docsEnum)
                {
                    Console.WriteLine("  got reuse enum=" + docsEnum);
                }
                else
                {
                    Console.WriteLine("  got enum=" + docsEnum + " (reuse of " + prevDocsEnum + " failed)");
                }
            }

            // 10% of the time don't consume all docs:
            int stopAt;
            if (!alwaysTestMax && options.Contains(Option.PARTIAL_DOC_CONSUME) && expected.DocFreq > 1 && Random().Next(10) == 7)
            {
                stopAt = Random().Next(expected.DocFreq - 1);
                if (VERBOSE)
                {
                    Console.WriteLine("  will not consume all docs (" + stopAt + " vs " + expected.DocFreq + ")");
                }
            }
            else
            {
                stopAt = expected.DocFreq;
                if (VERBOSE)
                {
                    Console.WriteLine("  consume all docs");
                }
            }

            double skipChance = alwaysTestMax ? 0.5 : Random().NextDouble();
            int numSkips = expected.DocFreq < 3 ? 1 : TestUtil.NextInt(Random(), 1, Math.Min(20, expected.DocFreq / 3));
            int skipInc = expected.DocFreq / numSkips;
            int skipDocInc = MaxDoc / numSkips;

            // Sometimes do 100% skipping:
            bool doAllSkipping = options.Contains(Option.SKIPPING) && Random().Next(7) == 1;

            double freqAskChance = alwaysTestMax ? 1.0 : Random().NextDouble();
            double payloadCheckChance = alwaysTestMax ? 1.0 : Random().NextDouble();
            double offsetCheckChance = alwaysTestMax ? 1.0 : Random().NextDouble();

            if (VERBOSE)
            {
                if (options.Contains(Option.SKIPPING))
                {
                    Console.WriteLine("  skipChance=" + skipChance + " numSkips=" + numSkips);
                }
                else
                {
                    Console.WriteLine("  no skipping");
                }
                if (doCheckFreqs)
                {
                    Console.WriteLine("  freqAskChance=" + freqAskChance);
                }
                if (doCheckPayloads)
                {
                    Console.WriteLine("  payloadCheckChance=" + payloadCheckChance);
                }
                if (doCheckOffsets)
                {
                    Console.WriteLine("  offsetCheckChance=" + offsetCheckChance);
                }
            }

            while (expected.Upto <= stopAt)
            {
                if (expected.Upto == stopAt)
                {
                    if (stopAt == expected.DocFreq)
                    {
                        Assert.AreEqual(DocsEnum.NO_MORE_DOCS, docsEnum.NextDoc(), "DocsEnum should have ended but didn't");

                        // Common bug is to forget to set this.Doc=NO_MORE_DOCS in the enum!:
                        Assert.AreEqual(DocsEnum.NO_MORE_DOCS, docsEnum.DocID(), "DocsEnum should have ended but didn't");
                    }
                    break;
                }

                if (options.Contains(Option.SKIPPING) && (doAllSkipping || Random().NextDouble() <= skipChance))
                {
                    int targetDocID = -1;
                    if (expected.Upto < stopAt && Random().NextBoolean())
                    {
                        // Pick target we know exists:
                        int skipCount = TestUtil.NextInt(Random(), 1, skipInc);
                        for (int skip = 0; skip < skipCount; skip++)
                        {
                            if (expected.NextDoc() == DocsEnum.NO_MORE_DOCS)
                            {
                                break;
                            }
                        }
                    }
                    else
                    {
                        // Pick random target (might not exist):
                        int skipDocIDs = TestUtil.NextInt(Random(), 1, skipDocInc);
                        if (skipDocIDs > 0)
                        {
                            targetDocID = expected.DocID() + skipDocIDs;
                            expected.Advance(targetDocID);
                        }
                    }

                    if (expected.Upto >= stopAt)
                    {
                        int target = Random().NextBoolean() ? MaxDoc : DocsEnum.NO_MORE_DOCS;
                        if (VERBOSE)
                        {
                            Console.WriteLine("  now advance to end (target=" + target + ")");
                        }
                        Assert.AreEqual(DocsEnum.NO_MORE_DOCS, docsEnum.Advance(target), "DocsEnum should have ended but didn't");
                        break;
                    }
                    else
                    {
                        if (VERBOSE)
                        {
                            if (targetDocID != -1)
                            {
                                Console.WriteLine("  now advance to random target=" + targetDocID + " (" + expected.Upto + " of " + stopAt + ") current=" + docsEnum.DocID());
                            }
                            else
                            {
                                Console.WriteLine("  now advance to known-exists target=" + expected.DocID() + " (" + expected.Upto + " of " + stopAt + ") current=" + docsEnum.DocID());
                            }
                        }
                        int docID = docsEnum.Advance(targetDocID != -1 ? targetDocID : expected.DocID());
                        Assert.AreEqual(expected.DocID(), docID, "docID is wrong");
                    }
                }
                else
                {
                    expected.NextDoc();
                    if (VERBOSE)
                    {
                        Console.WriteLine("  now nextDoc to " + expected.DocID() + " (" + expected.Upto + " of " + stopAt + ")");
                    }
                    int docID = docsEnum.NextDoc();
                    Assert.AreEqual(expected.DocID(), docID, "docID is wrong");
                    if (docID == DocsEnum.NO_MORE_DOCS)
                    {
                        break;
                    }
                }

                if (doCheckFreqs && Random().NextDouble() <= freqAskChance)
                {
                    if (VERBOSE)
                    {
                        Console.WriteLine("    now freq()=" + expected.Freq());
                    }
                    int freq = docsEnum.Freq();
                    Assert.AreEqual(expected.Freq(), freq, "freq is wrong");
                }

                if (doCheckPositions)
                {
                    int freq = docsEnum.Freq();
                    int numPosToConsume;
                    if (!alwaysTestMax && options.Contains(Option.PARTIAL_POS_CONSUME) && Random().Next(5) == 1)
                    {
                        numPosToConsume = Random().Next(freq);
                    }
                    else
                    {
                        numPosToConsume = freq;
                    }

                    for (int i = 0; i < numPosToConsume; i++)
                    {
                        int pos = expected.NextPosition();
                        if (VERBOSE)
                        {
                            Console.WriteLine("    now nextPosition to " + pos);
                        }
                        Assert.AreEqual(pos, docsAndPositionsEnum.NextPosition(), "position is wrong");

                        if (doCheckPayloads)
                        {
                            BytesRef expectedPayload = expected.Payload;
                            if (Random().NextDouble() <= payloadCheckChance)
                            {
                                if (VERBOSE)
                                {
                                    Console.WriteLine("      now check expectedPayload length=" + (expectedPayload == null ? 0 : expectedPayload.Length));
                                }
                                if (expectedPayload == null || expectedPayload.Length == 0)
                                {
                                    Assert.IsNull(docsAndPositionsEnum.Payload, "should not have payload");
                                }
                                else
                                {
                                    BytesRef payload = docsAndPositionsEnum.Payload;
                                    Assert.IsNotNull(payload, "should have payload but doesn't");

                                    Assert.AreEqual(expectedPayload.Length, payload.Length, "payload length is wrong");
                                    for (int byteUpto = 0; byteUpto < expectedPayload.Length; byteUpto++)
                                    {
                                        Assert.AreEqual(expectedPayload.Bytes[expectedPayload.Offset + byteUpto], payload.Bytes[payload.Offset + byteUpto], "payload bytes are wrong");
                                    }

                                    // make a deep copy
                                    payload = BytesRef.DeepCopyOf(payload);
                                    Assert.AreEqual(payload, docsAndPositionsEnum.Payload, "2nd call to getPayload returns something different!");
                                }
                            }
                            else
                            {
                                if (VERBOSE)
                                {
                                    Console.WriteLine("      skip check payload length=" + (expectedPayload == null ? 0 : expectedPayload.Length));
                                }
                            }
                        }

                        if (doCheckOffsets)
                        {
                            if (Random().NextDouble() <= offsetCheckChance)
                            {
                                if (VERBOSE)
                                {
                                    Console.WriteLine("      now check offsets: startOff=" + expected.StartOffset() + " endOffset=" + expected.EndOffset());
                                }
                                Assert.AreEqual(expected.StartOffset(), docsAndPositionsEnum.StartOffset(), "startOffset is wrong");
                                Assert.AreEqual(expected.EndOffset(), docsAndPositionsEnum.EndOffset(), "endOffset is wrong");
                            }
                            else
                            {
                                if (VERBOSE)
                                {
                                    Console.WriteLine("      skip check offsets");
                                }
                            }
                        }
                        else if (fieldInfo.FieldIndexOptions < FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS)
                        {
                            if (VERBOSE)
                            {
                                Console.WriteLine("      now check offsets are -1");
                            }
                            Assert.AreEqual(-1, docsAndPositionsEnum.StartOffset(), "startOffset isn't -1");
                            Assert.AreEqual(-1, docsAndPositionsEnum.EndOffset(), "endOffset isn't -1");
                        }
                    }
                }
            }
        }
Ejemplo n.º 14
0
        public virtual void VerifyEquals(DirectoryReader r1, DirectoryReader r2, string idField)
        {
            if (VERBOSE)
            {
                Console.WriteLine("\nr1 docs:");
                PrintDocs(r1);
                Console.WriteLine("\nr2 docs:");
                PrintDocs(r2);
            }
            if (r1.NumDocs != r2.NumDocs)
            {
                Debug.Assert(false, "r1.NumDocs=" + r1.NumDocs + " vs r2.NumDocs=" + r2.NumDocs);
            }
            bool hasDeletes = !(r1.MaxDoc == r2.MaxDoc && r1.NumDocs == r1.MaxDoc);

            int[] r2r1 = new int[r2.MaxDoc]; // r2 id to r1 id mapping

            // create mapping from id2 space to id2 based on idField
            Fields f1 = MultiFields.GetFields(r1);

            if (f1 == null)
            {
                // make sure r2 is empty
                Assert.IsNull(MultiFields.GetFields(r2));
                return;
            }
            Terms terms1 = f1.Terms(idField);

            if (terms1 == null)
            {
                Assert.IsTrue(MultiFields.GetFields(r2) == null || MultiFields.GetFields(r2).Terms(idField) == null);
                return;
            }
            TermsEnum termsEnum = terms1.Iterator(null);

            Bits liveDocs1 = MultiFields.GetLiveDocs(r1);
            Bits liveDocs2 = MultiFields.GetLiveDocs(r2);

            Fields fields = MultiFields.GetFields(r2);

            if (fields == null)
            {
                // make sure r1 is in fact empty (eg has only all
                // deleted docs):
                Bits     liveDocs = MultiFields.GetLiveDocs(r1);
                DocsEnum docs     = null;
                while (termsEnum.Next() != null)
                {
                    docs = TestUtil.Docs(Random(), termsEnum, liveDocs, docs, DocsEnum.FLAG_NONE);
                    while (docs.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
                    {
                        Assert.Fail("r1 is not empty but r2 is");
                    }
                }
                return;
            }
            Terms     terms2     = fields.Terms(idField);
            TermsEnum termsEnum2 = terms2.Iterator(null);

            DocsEnum termDocs1 = null;
            DocsEnum termDocs2 = null;

            while (true)
            {
                BytesRef term = termsEnum.Next();
                //System.out.println("TEST: match id term=" + term);
                if (term == null)
                {
                    break;
                }

                termDocs1 = TestUtil.Docs(Random(), termsEnum, liveDocs1, termDocs1, DocsEnum.FLAG_NONE);
                if (termsEnum2.SeekExact(term))
                {
                    termDocs2 = TestUtil.Docs(Random(), termsEnum2, liveDocs2, termDocs2, DocsEnum.FLAG_NONE);
                }
                else
                {
                    termDocs2 = null;
                }

                if (termDocs1.NextDoc() == DocIdSetIterator.NO_MORE_DOCS)
                {
                    // this doc is deleted and wasn't replaced
                    Assert.IsTrue(termDocs2 == null || termDocs2.NextDoc() == DocIdSetIterator.NO_MORE_DOCS);
                    continue;
                }

                int id1 = termDocs1.DocID();
                Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, termDocs1.NextDoc());

                Assert.IsTrue(termDocs2.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                int id2 = termDocs2.DocID();
                Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, termDocs2.NextDoc());

                r2r1[id2] = id1;

                // verify stored fields are equivalent
                try
                {
                    VerifyEquals(r1.Document(id1), r2.Document(id2));
                }
                catch (Exception t)
                {
                    Console.WriteLine("FAILED id=" + term + " id1=" + id1 + " id2=" + id2 + " term=" + term);
                    Console.WriteLine("  d1=" + r1.Document(id1));
                    Console.WriteLine("  d2=" + r2.Document(id2));
                    throw t;
                }

                try
                {
                    // verify term vectors are equivalent
                    VerifyEquals(r1.GetTermVectors(id1), r2.GetTermVectors(id2));
                }
                catch (Exception e)
                {
                    Console.WriteLine("FAILED id=" + term + " id1=" + id1 + " id2=" + id2);
                    Fields tv1 = r1.GetTermVectors(id1);
                    Console.WriteLine("  d1=" + tv1);
                    if (tv1 != null)
                    {
                        DocsAndPositionsEnum dpEnum = null;
                        DocsEnum             dEnum  = null;
                        foreach (string field in tv1)
                        {
                            Console.WriteLine("    " + field + ":");
                            Terms terms3 = tv1.Terms(field);
                            Assert.IsNotNull(terms3);
                            TermsEnum termsEnum3 = terms3.Iterator(null);
                            BytesRef  term2;
                            while ((term2 = termsEnum3.Next()) != null)
                            {
                                Console.WriteLine("      " + term2.Utf8ToString() + ": freq=" + termsEnum3.TotalTermFreq());
                                dpEnum = termsEnum3.DocsAndPositions(null, dpEnum);
                                if (dpEnum != null)
                                {
                                    Assert.IsTrue(dpEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                                    int freq = dpEnum.Freq();
                                    Console.WriteLine("        doc=" + dpEnum.DocID() + " freq=" + freq);
                                    for (int posUpto = 0; posUpto < freq; posUpto++)
                                    {
                                        Console.WriteLine("          pos=" + dpEnum.NextPosition());
                                    }
                                }
                                else
                                {
                                    dEnum = TestUtil.Docs(Random(), termsEnum3, null, dEnum, DocsEnum.FLAG_FREQS);
                                    Assert.IsNotNull(dEnum);
                                    Assert.IsTrue(dEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                                    int freq = dEnum.Freq();
                                    Console.WriteLine("        doc=" + dEnum.DocID() + " freq=" + freq);
                                }
                            }
                        }
                    }

                    Fields tv2 = r2.GetTermVectors(id2);
                    Console.WriteLine("  d2=" + tv2);
                    if (tv2 != null)
                    {
                        DocsAndPositionsEnum dpEnum = null;
                        DocsEnum             dEnum  = null;
                        foreach (string field in tv2)
                        {
                            Console.WriteLine("    " + field + ":");
                            Terms terms3 = tv2.Terms(field);
                            Assert.IsNotNull(terms3);
                            TermsEnum termsEnum3 = terms3.Iterator(null);
                            BytesRef  term2;
                            while ((term2 = termsEnum3.Next()) != null)
                            {
                                Console.WriteLine("      " + term2.Utf8ToString() + ": freq=" + termsEnum3.TotalTermFreq());
                                dpEnum = termsEnum3.DocsAndPositions(null, dpEnum);
                                if (dpEnum != null)
                                {
                                    Assert.IsTrue(dpEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                                    int freq = dpEnum.Freq();
                                    Console.WriteLine("        doc=" + dpEnum.DocID() + " freq=" + freq);
                                    for (int posUpto = 0; posUpto < freq; posUpto++)
                                    {
                                        Console.WriteLine("          pos=" + dpEnum.NextPosition());
                                    }
                                }
                                else
                                {
                                    dEnum = TestUtil.Docs(Random(), termsEnum3, null, dEnum, DocsEnum.FLAG_FREQS);
                                    Assert.IsNotNull(dEnum);
                                    Assert.IsTrue(dEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                                    int freq = dEnum.Freq();
                                    Console.WriteLine("        doc=" + dEnum.DocID() + " freq=" + freq);
                                }
                            }
                        }
                    }

                    throw e;
                }
            }

            //System.out.println("TEST: done match id");

            // Verify postings
            //System.out.println("TEST: create te1");
            Fields fields1 = MultiFields.GetFields(r1);
            IEnumerator <string> fields1Enum = fields1.GetEnumerator();
            Fields fields2 = MultiFields.GetFields(r2);
            IEnumerator <string> fields2Enum = fields2.GetEnumerator();

            string    field1 = null, field2 = null;
            TermsEnum termsEnum1 = null;

            termsEnum2 = null;
            DocsEnum docs1 = null, docs2 = null;

            // pack both doc and freq into single element for easy sorting
            long[] info1 = new long[r1.NumDocs];
            long[] info2 = new long[r2.NumDocs];

            for (; ;)
            {
                BytesRef term1 = null, term2 = null;

                // iterate until we get some docs
                int len1;
                for (; ;)
                {
                    len1 = 0;
                    if (termsEnum1 == null)
                    {
                        if (!fields1Enum.MoveNext())
                        {
                            break;
                        }
                        field1 = fields1Enum.Current;
                        Terms terms = fields1.Terms(field1);
                        if (terms == null)
                        {
                            continue;
                        }
                        termsEnum1 = terms.Iterator(null);
                    }
                    term1 = termsEnum1.Next();
                    if (term1 == null)
                    {
                        // no more terms in this field
                        termsEnum1 = null;
                        continue;
                    }

                    //System.out.println("TEST: term1=" + term1);
                    docs1 = TestUtil.Docs(Random(), termsEnum1, liveDocs1, docs1, DocsEnum.FLAG_FREQS);
                    while (docs1.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
                    {
                        int d = docs1.DocID();
                        int f = docs1.Freq();
                        info1[len1] = (((long)d) << 32) | f;
                        len1++;
                    }
                    if (len1 > 0)
                    {
                        break;
                    }
                }

                // iterate until we get some docs
                int len2;
                for (; ;)
                {
                    len2 = 0;
                    if (termsEnum2 == null)
                    {
                        if (!fields2Enum.MoveNext())
                        {
                            break;
                        }
                        field2 = fields2Enum.Current;
                        Terms terms = fields2.Terms(field2);
                        if (terms == null)
                        {
                            continue;
                        }
                        termsEnum2 = terms.Iterator(null);
                    }
                    term2 = termsEnum2.Next();
                    if (term2 == null)
                    {
                        // no more terms in this field
                        termsEnum2 = null;
                        continue;
                    }

                    //System.out.println("TEST: term1=" + term1);
                    docs2 = TestUtil.Docs(Random(), termsEnum2, liveDocs2, docs2, DocsEnum.FLAG_FREQS);
                    while (docs2.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
                    {
                        int d = r2r1[docs2.DocID()];
                        int f = docs2.Freq();
                        info2[len2] = (((long)d) << 32) | f;
                        len2++;
                    }
                    if (len2 > 0)
                    {
                        break;
                    }
                }

                Assert.AreEqual(len1, len2);
                if (len1 == 0) // no more terms
                {
                    break;
                }

                Assert.AreEqual(field1, field2);
                Assert.IsTrue(term1.BytesEquals(term2));

                if (!hasDeletes)
                {
                    Assert.AreEqual(termsEnum1.DocFreq(), termsEnum2.DocFreq());
                }

                Assert.AreEqual(term1, term2, "len1=" + len1 + " len2=" + len2 + " deletes?=" + hasDeletes);

                // sort info2 to get it into ascending docid
                Array.Sort(info2, 0, len2);

                // now compare
                for (int i = 0; i < len1; i++)
                {
                    Assert.AreEqual(info1[i], info2[i], "i=" + i + " len=" + len1 + " d1=" + ((long)((ulong)info1[i] >> 32)) + " f1=" + (info1[i] & int.MaxValue) + " d2=" + ((long)((ulong)info2[i] >> 32)) + " f2=" + (info2[i] & int.MaxValue) + " field=" + field1 + " term=" + term1.Utf8ToString());
                }
            }
        }
Ejemplo n.º 15
0
 public override int DocFreq()
 {
     return(@in.DocFreq());
 }
Ejemplo n.º 16
0
 /// <summary>
 /// checks term-level statistics
 /// </summary>
 public void AssertTermStatsEquals(string info, TermsEnum leftTermsEnum, TermsEnum rightTermsEnum)
 {
     Assert.AreEqual(leftTermsEnum.DocFreq(), rightTermsEnum.DocFreq(), info);
     if (leftTermsEnum.TotalTermFreq() != -1 && rightTermsEnum.TotalTermFreq() != -1)
     {
         Assert.AreEqual(leftTermsEnum.TotalTermFreq(), rightTermsEnum.TotalTermFreq(), info);
     }
 }
        protected internal virtual void AssertEquals(RandomTokenStream tk, FieldType ft, Terms terms)
        {
            Assert.AreEqual(1, terms.DocCount);
            int termCount = (new HashSet <string>(Arrays.AsList(tk.Terms))).Count;

            Assert.AreEqual(termCount, terms.Size());
            Assert.AreEqual(termCount, terms.SumDocFreq);
            Assert.AreEqual(ft.StoreTermVectorPositions, terms.HasPositions());
            Assert.AreEqual(ft.StoreTermVectorOffsets, terms.HasOffsets());
            Assert.AreEqual(ft.StoreTermVectorPayloads && tk.HasPayloads(), terms.HasPayloads());
            HashSet <BytesRef> uniqueTerms = new HashSet <BytesRef>();

            foreach (string term in tk.Freqs.Keys)
            {
                uniqueTerms.Add(new BytesRef(term));
            }
            BytesRef[] sortedTerms = uniqueTerms.ToArray(/*new BytesRef[0]*/);
            Array.Sort(sortedTerms, terms.Comparator);
            TermsEnum termsEnum = terms.Iterator(Random().NextBoolean() ? null : this.termsEnum.Value);

            this.termsEnum.Value = termsEnum;
            for (int i = 0; i < sortedTerms.Length; ++i)
            {
                BytesRef nextTerm = termsEnum.Next();
                Assert.AreEqual(sortedTerms[i], nextTerm);
                Assert.AreEqual(sortedTerms[i], termsEnum.Term());
                Assert.AreEqual(1, termsEnum.DocFreq());

                FixedBitSet bits     = new FixedBitSet(1);
                DocsEnum    docsEnum = termsEnum.Docs(bits, Random().NextBoolean() ? null : this.docsEnum.Value);
                Assert.AreEqual(DocsEnum.NO_MORE_DOCS, docsEnum.NextDoc());
                bits.Set(0);

                docsEnum = termsEnum.Docs(Random().NextBoolean() ? bits : null, Random().NextBoolean() ? null : docsEnum);
                Assert.IsNotNull(docsEnum);
                Assert.AreEqual(0, docsEnum.NextDoc());
                Assert.AreEqual(0, docsEnum.DocID());
                Assert.AreEqual(tk.Freqs[termsEnum.Term().Utf8ToString()], (int?)docsEnum.Freq());
                Assert.AreEqual(DocsEnum.NO_MORE_DOCS, docsEnum.NextDoc());
                this.docsEnum.Value = docsEnum;

                bits.Clear(0);
                DocsAndPositionsEnum docsAndPositionsEnum = termsEnum.DocsAndPositions(bits, Random().NextBoolean() ? null : this.docsAndPositionsEnum.Value);
                Assert.AreEqual(ft.StoreTermVectorOffsets || ft.StoreTermVectorPositions, docsAndPositionsEnum != null);
                if (docsAndPositionsEnum != null)
                {
                    Assert.AreEqual(DocsEnum.NO_MORE_DOCS, docsAndPositionsEnum.NextDoc());
                }
                bits.Set(0);

                docsAndPositionsEnum = termsEnum.DocsAndPositions(Random().NextBoolean() ? bits : null, Random().NextBoolean() ? null : docsAndPositionsEnum);
                Assert.AreEqual(ft.StoreTermVectorOffsets || ft.StoreTermVectorPositions, docsAndPositionsEnum != null);
                if (terms.HasPositions() || terms.HasOffsets())
                {
                    Assert.AreEqual(0, docsAndPositionsEnum.NextDoc());
                    int freq = docsAndPositionsEnum.Freq();
                    Assert.AreEqual(tk.Freqs[termsEnum.Term().Utf8ToString()], (int?)freq);
                    if (docsAndPositionsEnum != null)
                    {
                        for (int k = 0; k < freq; ++k)
                        {
                            int         position = docsAndPositionsEnum.NextPosition();
                            ISet <int?> indexes;
                            if (terms.HasPositions())
                            {
                                indexes = tk.PositionToTerms[position];
                                Assert.IsNotNull(indexes);
                            }
                            else
                            {
                                indexes = tk.StartOffsetToTerms[docsAndPositionsEnum.StartOffset()];
                                Assert.IsNotNull(indexes);
                            }
                            if (terms.HasPositions())
                            {
                                bool foundPosition = false;
                                foreach (int index in indexes)
                                {
                                    if (tk.TermBytes[index].Equals(termsEnum.Term()) && tk.Positions[index] == position)
                                    {
                                        foundPosition = true;
                                        break;
                                    }
                                }
                                Assert.IsTrue(foundPosition);
                            }
                            if (terms.HasOffsets())
                            {
                                bool foundOffset = false;
                                foreach (int index in indexes)
                                {
                                    if (tk.TermBytes[index].Equals(termsEnum.Term()) && tk.StartOffsets[index] == docsAndPositionsEnum.StartOffset() && tk.EndOffsets[index] == docsAndPositionsEnum.EndOffset())
                                    {
                                        foundOffset = true;
                                        break;
                                    }
                                }
                                Assert.IsTrue(foundOffset);
                            }
                            if (terms.HasPayloads())
                            {
                                bool foundPayload = false;
                                foreach (int index in indexes)
                                {
                                    if (tk.TermBytes[index].Equals(termsEnum.Term()) && Equals(tk.Payloads[index], docsAndPositionsEnum.Payload))
                                    {
                                        foundPayload = true;
                                        break;
                                    }
                                }
                                Assert.IsTrue(foundPayload);
                            }
                        }
                        try
                        {
                            docsAndPositionsEnum.NextPosition();
                            Assert.Fail();
                        }
                        catch (Exception e)
                        {
                            // ok
                        }
                    }
                    Assert.AreEqual(DocsEnum.NO_MORE_DOCS, docsAndPositionsEnum.NextDoc());
                }
                this.docsAndPositionsEnum.Value = docsAndPositionsEnum;
            }
            Assert.IsNull(termsEnum.Next());
            for (int i = 0; i < 5; ++i)
            {
                if (Random().NextBoolean())
                {
                    Assert.IsTrue(termsEnum.SeekExact(RandomInts.RandomFrom(Random(), tk.TermBytes)));
                }
                else
                {
                    Assert.AreEqual(SeekStatus.FOUND, termsEnum.SeekCeil(RandomInts.RandomFrom(Random(), tk.TermBytes)));
                }
            }
        }
        /// <summary>
        /// checks the terms enum sequentially
        /// if deep is false, it does a 'shallow' test that doesnt go down to the docsenums
        /// </summary>
        public virtual void AssertTermsEnum(TermsEnum leftTermsEnum, TermsEnum rightTermsEnum, bool deep)
        {
            BytesRef term;
            Bits randomBits = new RandomBits(MAXDOC, Random().NextDouble(), Random());
            DocsAndPositionsEnum leftPositions = null;
            DocsAndPositionsEnum rightPositions = null;
            DocsEnum leftDocs = null;
            DocsEnum rightDocs = null;

            while ((term = leftTermsEnum.Next()) != null)
            {
                Assert.AreEqual(term, rightTermsEnum.Next());
                AssertTermStats(leftTermsEnum, rightTermsEnum);
                if (deep)
                {
                    // with payloads + off
                    AssertDocsAndPositionsEnum(leftPositions = leftTermsEnum.DocsAndPositions(null, leftPositions), rightPositions = rightTermsEnum.DocsAndPositions(null, rightPositions));
                    AssertDocsAndPositionsEnum(leftPositions = leftTermsEnum.DocsAndPositions(randomBits, leftPositions), rightPositions = rightTermsEnum.DocsAndPositions(randomBits, rightPositions));

                    AssertPositionsSkipping(leftTermsEnum.DocFreq(), leftPositions = leftTermsEnum.DocsAndPositions(null, leftPositions), rightPositions = rightTermsEnum.DocsAndPositions(null, rightPositions));
                    AssertPositionsSkipping(leftTermsEnum.DocFreq(), leftPositions = leftTermsEnum.DocsAndPositions(randomBits, leftPositions), rightPositions = rightTermsEnum.DocsAndPositions(randomBits, rightPositions));
                    // with payloads only
                    AssertDocsAndPositionsEnum(leftPositions = leftTermsEnum.DocsAndPositions(null, leftPositions, DocsAndPositionsEnum.FLAG_PAYLOADS), rightPositions = rightTermsEnum.DocsAndPositions(null, rightPositions, DocsAndPositionsEnum.FLAG_PAYLOADS));
                    AssertDocsAndPositionsEnum(leftPositions = leftTermsEnum.DocsAndPositions(randomBits, leftPositions, DocsAndPositionsEnum.FLAG_PAYLOADS), rightPositions = rightTermsEnum.DocsAndPositions(randomBits, rightPositions, DocsAndPositionsEnum.FLAG_PAYLOADS));

                    AssertPositionsSkipping(leftTermsEnum.DocFreq(), leftPositions = leftTermsEnum.DocsAndPositions(null, leftPositions, DocsAndPositionsEnum.FLAG_PAYLOADS), rightPositions = rightTermsEnum.DocsAndPositions(null, rightPositions, DocsAndPositionsEnum.FLAG_PAYLOADS));
                    AssertPositionsSkipping(leftTermsEnum.DocFreq(), leftPositions = leftTermsEnum.DocsAndPositions(randomBits, leftPositions, DocsAndPositionsEnum.FLAG_PAYLOADS), rightPositions = rightTermsEnum.DocsAndPositions(randomBits, rightPositions, DocsAndPositionsEnum.FLAG_PAYLOADS));

                    // with offsets only
                    AssertDocsAndPositionsEnum(leftPositions = leftTermsEnum.DocsAndPositions(null, leftPositions, DocsAndPositionsEnum.FLAG_OFFSETS), rightPositions = rightTermsEnum.DocsAndPositions(null, rightPositions, DocsAndPositionsEnum.FLAG_OFFSETS));
                    AssertDocsAndPositionsEnum(leftPositions = leftTermsEnum.DocsAndPositions(randomBits, leftPositions, DocsAndPositionsEnum.FLAG_OFFSETS), rightPositions = rightTermsEnum.DocsAndPositions(randomBits, rightPositions, DocsAndPositionsEnum.FLAG_OFFSETS));

                    AssertPositionsSkipping(leftTermsEnum.DocFreq(), leftPositions = leftTermsEnum.DocsAndPositions(null, leftPositions, DocsAndPositionsEnum.FLAG_OFFSETS), rightPositions = rightTermsEnum.DocsAndPositions(null, rightPositions, DocsAndPositionsEnum.FLAG_OFFSETS));
                    AssertPositionsSkipping(leftTermsEnum.DocFreq(), leftPositions = leftTermsEnum.DocsAndPositions(randomBits, leftPositions, DocsAndPositionsEnum.FLAG_OFFSETS), rightPositions = rightTermsEnum.DocsAndPositions(randomBits, rightPositions, DocsAndPositionsEnum.FLAG_OFFSETS));

                    // with positions only
                    AssertDocsAndPositionsEnum(leftPositions = leftTermsEnum.DocsAndPositions(null, leftPositions, DocsEnum.FLAG_NONE), rightPositions = rightTermsEnum.DocsAndPositions(null, rightPositions, DocsEnum.FLAG_NONE));
                    AssertDocsAndPositionsEnum(leftPositions = leftTermsEnum.DocsAndPositions(randomBits, leftPositions, DocsEnum.FLAG_NONE), rightPositions = rightTermsEnum.DocsAndPositions(randomBits, rightPositions, DocsEnum.FLAG_NONE));

                    AssertPositionsSkipping(leftTermsEnum.DocFreq(), leftPositions = leftTermsEnum.DocsAndPositions(null, leftPositions, DocsEnum.FLAG_NONE), rightPositions = rightTermsEnum.DocsAndPositions(null, rightPositions, DocsEnum.FLAG_NONE));
                    AssertPositionsSkipping(leftTermsEnum.DocFreq(), leftPositions = leftTermsEnum.DocsAndPositions(randomBits, leftPositions, DocsEnum.FLAG_NONE), rightPositions = rightTermsEnum.DocsAndPositions(randomBits, rightPositions, DocsEnum.FLAG_NONE));

                    // with freqs:
                    AssertDocsEnum(leftDocs = leftTermsEnum.Docs(null, leftDocs), rightDocs = rightTermsEnum.Docs(null, rightDocs));
                    AssertDocsEnum(leftDocs = leftTermsEnum.Docs(randomBits, leftDocs), rightDocs = rightTermsEnum.Docs(randomBits, rightDocs));

                    // w/o freqs:
                    AssertDocsEnum(leftDocs = leftTermsEnum.Docs(null, leftDocs, DocsEnum.FLAG_NONE), rightDocs = rightTermsEnum.Docs(null, rightDocs, DocsEnum.FLAG_NONE));
                    AssertDocsEnum(leftDocs = leftTermsEnum.Docs(randomBits, leftDocs, DocsEnum.FLAG_NONE), rightDocs = rightTermsEnum.Docs(randomBits, rightDocs, DocsEnum.FLAG_NONE));

                    // with freqs:
                    AssertDocsSkipping(leftTermsEnum.DocFreq(), leftDocs = leftTermsEnum.Docs(null, leftDocs), rightDocs = rightTermsEnum.Docs(null, rightDocs));
                    AssertDocsSkipping(leftTermsEnum.DocFreq(), leftDocs = leftTermsEnum.Docs(randomBits, leftDocs), rightDocs = rightTermsEnum.Docs(randomBits, rightDocs));

                    // w/o freqs:
                    AssertDocsSkipping(leftTermsEnum.DocFreq(), leftDocs = leftTermsEnum.Docs(null, leftDocs, DocsEnum.FLAG_NONE), rightDocs = rightTermsEnum.Docs(null, rightDocs, DocsEnum.FLAG_NONE));
                    AssertDocsSkipping(leftTermsEnum.DocFreq(), leftDocs = leftTermsEnum.Docs(randomBits, leftDocs, DocsEnum.FLAG_NONE), rightDocs = rightTermsEnum.Docs(randomBits, rightDocs, DocsEnum.FLAG_NONE));
                }
            }
            Assert.IsNull(rightTermsEnum.Next());
        }