示例#1
0
        // builds an index with payloads in the given Directory and performs
        // different tests to verify the payload encoding
        private void PerformTest(Directory dir)
        {
            PayloadAnalyzer analyzer = new PayloadAnalyzer();
            IndexWriter     writer   = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer).SetOpenMode(OpenMode.CREATE).SetMergePolicy(NewLogMergePolicy()));

            // should be in sync with value in TermInfosWriter
            const int skipInterval = 16;

            const int    numTerms  = 5;
            const string fieldName = "f1";

            int numDocs = skipInterval + 1;

            // create content for the test documents with just a few terms
            Term[]        terms = GenerateTerms(fieldName, numTerms);
            StringBuilder sb    = new StringBuilder();

            for (int i = 0; i < terms.Length; i++)
            {
                sb.Append(terms[i].Text());
                sb.Append(" ");
            }
            string content = sb.ToString();

            int payloadDataLength = numTerms * numDocs * 2 + numTerms * numDocs * (numDocs - 1) / 2;
            var payloadData       = GenerateRandomData(payloadDataLength);

            Document d = new Document();

            d.Add(NewTextField(fieldName, content, Field.Store.NO));
            // add the same document multiple times to have the same payload lengths for all
            // occurrences within two consecutive skip intervals
            int offset = 0;

            for (int i = 0; i < 2 * numDocs; i++)
            {
                analyzer = new PayloadAnalyzer(fieldName, payloadData, offset, 1);
                offset  += numTerms;
                writer.AddDocument(d, analyzer);
            }

            // make sure we create more than one segment to test merging
            writer.Commit();

            // now we make sure to have different payload lengths next at the next skip point
            for (int i = 0; i < numDocs; i++)
            {
                analyzer = new PayloadAnalyzer(fieldName, payloadData, offset, i);
                offset  += i * numTerms;
                writer.AddDocument(d, analyzer);
            }

            writer.ForceMerge(1);
            // flush
            writer.Dispose();

            /*
             * Verify the index
             * first we test if all payloads are stored correctly
             */
            IndexReader reader = DirectoryReader.Open(dir);

            var verifyPayloadData = new byte[payloadDataLength];

            offset = 0;
            var tps = new DocsAndPositionsEnum[numTerms];

            for (int i = 0; i < numTerms; i++)
            {
                tps[i] = MultiFields.GetTermPositionsEnum(reader, MultiFields.GetLiveDocs(reader), terms[i].Field, new BytesRef(terms[i].Text()));
            }

            while (tps[0].NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
            {
                for (int i = 1; i < numTerms; i++)
                {
                    tps[i].NextDoc();
                }
                int freq = tps[0].Freq;

                for (int i = 0; i < freq; i++)
                {
                    for (int j = 0; j < numTerms; j++)
                    {
                        tps[j].NextPosition();
                        BytesRef br = tps[j].GetPayload();
                        if (br != null)
                        {
                            Array.Copy(br.Bytes, br.Offset, verifyPayloadData, offset, br.Length);
                            offset += br.Length;
                        }
                    }
                }
            }

            AssertByteArrayEquals(payloadData, verifyPayloadData);

            /*
             *  test lazy skipping
             */
            DocsAndPositionsEnum tp = MultiFields.GetTermPositionsEnum(reader, MultiFields.GetLiveDocs(reader), terms[0].Field, new BytesRef(terms[0].Text()));

            tp.NextDoc();
            tp.NextPosition();
            // NOTE: prior rev of this test was failing to first
            // call next here:
            tp.NextDoc();
            // now we don't read this payload
            tp.NextPosition();
            BytesRef payload = tp.GetPayload();

            Assert.AreEqual(1, payload.Length, "Wrong payload length.");
            Assert.AreEqual(payload.Bytes[payload.Offset], payloadData[numTerms]);
            tp.NextDoc();
            tp.NextPosition();

            // we don't read this payload and skip to a different document
            tp.Advance(5);
            tp.NextPosition();
            payload = tp.GetPayload();
            Assert.AreEqual(1, payload.Length, "Wrong payload length.");
            Assert.AreEqual(payload.Bytes[payload.Offset], payloadData[5 * numTerms]);

            /*
             * Test different lengths at skip points
             */
            tp = MultiFields.GetTermPositionsEnum(reader, MultiFields.GetLiveDocs(reader), terms[1].Field, new BytesRef(terms[1].Text()));
            tp.NextDoc();
            tp.NextPosition();
            Assert.AreEqual(1, tp.GetPayload().Length, "Wrong payload length.");
            tp.Advance(skipInterval - 1);
            tp.NextPosition();
            Assert.AreEqual(1, tp.GetPayload().Length, "Wrong payload length.");
            tp.Advance(2 * skipInterval - 1);
            tp.NextPosition();
            Assert.AreEqual(1, tp.GetPayload().Length, "Wrong payload length.");
            tp.Advance(3 * skipInterval - 1);
            tp.NextPosition();
            Assert.AreEqual(3 * skipInterval - 2 * numDocs - 1, tp.GetPayload().Length, "Wrong payload length.");

            reader.Dispose();

            // test long payload
            analyzer = new PayloadAnalyzer();
            writer   = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer).SetOpenMode(OpenMode.CREATE));
            string singleTerm = "lucene";

            d = new Document();
            d.Add(NewTextField(fieldName, singleTerm, Field.Store.NO));
            // add a payload whose length is greater than the buffer size of BufferedIndexOutput
            payloadData = GenerateRandomData(2000);
            analyzer.SetPayloadData(fieldName, payloadData, 100, 1500);
            writer.AddDocument(d);

            writer.ForceMerge(1);
            // flush
            writer.Dispose();

            reader = DirectoryReader.Open(dir);
            tp     = MultiFields.GetTermPositionsEnum(reader, MultiFields.GetLiveDocs(reader), fieldName, new BytesRef(singleTerm));
            tp.NextDoc();
            tp.NextPosition();

            BytesRef bref = tp.GetPayload();

            verifyPayloadData = new byte[bref.Length];
            var portion = new byte[1500];

            Array.Copy(payloadData, 100, portion, 0, 1500);

            AssertByteArrayEquals(portion, bref.Bytes, bref.Offset, bref.Length);
            reader.Dispose();
        }
示例#2
0
        public virtual void TestRandom()
        {
            // token -> docID -> tokens
            IDictionary <string, IDictionary <int?, IList <Token> > > actualTokens = new Dictionary <string, IDictionary <int?, IList <Token> > >();

            Directory         dir = NewDirectory();
            RandomIndexWriter w   = new RandomIndexWriter(Random(), dir, Iwc);

            int numDocs = AtLeast(20);
            //final int numDocs = AtLeast(5);

            FieldType ft = new FieldType(TextField.TYPE_NOT_STORED);

            // TODO: randomize what IndexOptions we use; also test
            // changing this up in one IW buffered segment...:
            ft.IndexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
            if (Random().NextBoolean())
            {
                ft.StoreTermVectors         = true;
                ft.StoreTermVectorOffsets   = Random().NextBoolean();
                ft.StoreTermVectorPositions = Random().NextBoolean();
            }

            for (int docCount = 0; docCount < numDocs; docCount++)
            {
                Document doc = new Document();
                doc.Add(new Int32Field("id", docCount, Field.Store.NO));
                IList <Token> tokens    = new List <Token>();
                int           numTokens = AtLeast(100);
                //final int numTokens = AtLeast(20);
                int pos    = -1;
                int offset = 0;
                //System.out.println("doc id=" + docCount);
                for (int tokenCount = 0; tokenCount < numTokens; tokenCount++)
                {
                    string text;
                    if (Random().NextBoolean())
                    {
                        text = "a";
                    }
                    else if (Random().NextBoolean())
                    {
                        text = "b";
                    }
                    else if (Random().NextBoolean())
                    {
                        text = "c";
                    }
                    else
                    {
                        text = "d";
                    }

                    int posIncr = Random().NextBoolean() ? 1 : Random().Next(5);
                    if (tokenCount == 0 && posIncr == 0)
                    {
                        posIncr = 1;
                    }
                    int offIncr     = Random().NextBoolean() ? 0 : Random().Next(5);
                    int tokenOffset = Random().Next(5);

                    Token token = MakeToken(text, posIncr, offset + offIncr, offset + offIncr + tokenOffset);
                    if (!actualTokens.ContainsKey(text))
                    {
                        actualTokens[text] = new Dictionary <int?, IList <Token> >();
                    }
                    IDictionary <int?, IList <Token> > postingsByDoc = actualTokens[text];
                    if (!postingsByDoc.ContainsKey(docCount))
                    {
                        postingsByDoc[docCount] = new List <Token>();
                    }
                    postingsByDoc[docCount].Add(token);
                    tokens.Add(token);
                    pos += posIncr;
                    // stuff abs position into type:
                    token.Type = "" + pos;
                    offset    += offIncr + tokenOffset;
                    //System.out.println("  " + token + " posIncr=" + token.getPositionIncrement() + " pos=" + pos + " off=" + token.StartOffset + "/" + token.EndOffset + " (freq=" + postingsByDoc.Get(docCount).Size() + ")");
                }
                doc.Add(new Field("content", new CannedTokenStream(tokens.ToArray()), ft));
                w.AddDocument(doc);
            }
            DirectoryReader r = w.Reader;

            w.Dispose();

            string[] terms = new string[] { "a", "b", "c", "d" };
            foreach (AtomicReaderContext ctx in r.Leaves)
            {
                // TODO: improve this
                AtomicReader sub = (AtomicReader)ctx.Reader;
                //System.out.println("\nsub=" + sub);
                TermsEnum            termsEnum                  = sub.Fields.GetTerms("content").GetIterator(null);
                DocsEnum             docs                       = null;
                DocsAndPositionsEnum docsAndPositions           = null;
                DocsAndPositionsEnum docsAndPositionsAndOffsets = null;
                FieldCache.Int32s    docIDToID                  = FieldCache.DEFAULT.GetInt32s(sub, "id", false);
                foreach (string term in terms)
                {
                    //System.out.println("  term=" + term);
                    if (termsEnum.SeekExact(new BytesRef(term)))
                    {
                        docs = termsEnum.Docs(null, docs);
                        Assert.IsNotNull(docs);
                        int doc;
                        //System.out.println("    doc/freq");
                        while ((doc = docs.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
                        {
                            IList <Token> expected = actualTokens[term][docIDToID.Get(doc)];
                            //System.out.println("      doc=" + docIDToID.Get(doc) + " docID=" + doc + " " + expected.Size() + " freq");
                            Assert.IsNotNull(expected);
                            Assert.AreEqual(expected.Count, docs.Freq);
                        }

                        // explicitly exclude offsets here
                        docsAndPositions = termsEnum.DocsAndPositions(null, docsAndPositions, DocsAndPositionsFlags.PAYLOADS);
                        Assert.IsNotNull(docsAndPositions);
                        //System.out.println("    doc/freq/pos");
                        while ((doc = docsAndPositions.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
                        {
                            IList <Token> expected = actualTokens[term][docIDToID.Get(doc)];
                            //System.out.println("      doc=" + docIDToID.Get(doc) + " " + expected.Size() + " freq");
                            Assert.IsNotNull(expected);
                            Assert.AreEqual(expected.Count, docsAndPositions.Freq);
                            foreach (Token token in expected)
                            {
                                int pos = Convert.ToInt32(token.Type);
                                //System.out.println("        pos=" + pos);
                                Assert.AreEqual(pos, docsAndPositions.NextPosition());
                            }
                        }

                        docsAndPositionsAndOffsets = termsEnum.DocsAndPositions(null, docsAndPositions);
                        Assert.IsNotNull(docsAndPositionsAndOffsets);
                        //System.out.println("    doc/freq/pos/offs");
                        while ((doc = docsAndPositionsAndOffsets.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
                        {
                            IList <Token> expected = actualTokens[term][docIDToID.Get(doc)];
                            //System.out.println("      doc=" + docIDToID.Get(doc) + " " + expected.Size() + " freq");
                            Assert.IsNotNull(expected);
                            Assert.AreEqual(expected.Count, docsAndPositionsAndOffsets.Freq);
                            foreach (Token token in expected)
                            {
                                int pos = Convert.ToInt32(token.Type);
                                //System.out.println("        pos=" + pos);
                                Assert.AreEqual(pos, docsAndPositionsAndOffsets.NextPosition());
                                Assert.AreEqual(token.StartOffset, docsAndPositionsAndOffsets.StartOffset);
                                Assert.AreEqual(token.EndOffset, docsAndPositionsAndOffsets.EndOffset);
                            }
                        }
                    }
                }
                // TODO: test advance:
            }
            r.Dispose();
            dir.Dispose();
        }
示例#3
0
 public override int NextDoc()
 {
     return(m_input.NextDoc());
 }
示例#4
0
        public virtual void TestLongPostings_Mem()
        {
            // Don't use TestUtil.getTempDir so that we own the
            // randomness (ie same seed will point to same dir):
            Directory dir = NewFSDirectory(CreateTempDir("longpostings" + "." + Random().NextLong()));

            int NUM_DOCS = AtLeast(2000);

            if (VERBOSE)
            {
                Console.WriteLine("TEST: NUM_DOCS=" + NUM_DOCS);
            }

            string s1 = GetRandomTerm(null);
            string s2 = GetRandomTerm(s1);

            if (VERBOSE)
            {
                Console.WriteLine("\nTEST: s1=" + s1 + " s2=" + s2);

                /*
                 * for(int idx=0;idx<s1.Length();idx++) {
                 * System.out.println("  s1 ch=0x" + Integer.toHexString(s1.charAt(idx)));
                 * }
                 * for(int idx=0;idx<s2.Length();idx++) {
                 * System.out.println("  s2 ch=0x" + Integer.toHexString(s2.charAt(idx)));
                 * }
                 */
            }

            FixedBitSet isS1 = new FixedBitSet(NUM_DOCS);

            for (int idx = 0; idx < NUM_DOCS; idx++)
            {
                if (Random().NextBoolean())
                {
                    isS1.Set(idx);
                }
            }

            IndexReader       r;
            IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetOpenMode(IndexWriterConfig.OpenMode_e.CREATE).SetMergePolicy(NewLogMergePolicy());

            iwc.SetRAMBufferSizeMB(16.0 + 16.0 * Random().NextDouble());
            iwc.SetMaxBufferedDocs(-1);
            RandomIndexWriter riw = new RandomIndexWriter(Random(), dir, iwc);

            for (int idx = 0; idx < NUM_DOCS; idx++)
            {
                Document doc   = new Document();
                string   s     = isS1.Get(idx) ? s1 : s2;
                Field    f     = NewTextField("field", s, Field.Store.NO);
                int      count = TestUtil.NextInt(Random(), 1, 4);
                for (int ct = 0; ct < count; ct++)
                {
                    doc.Add(f);
                }
                riw.AddDocument(doc);
            }

            r = riw.Reader;
            riw.Dispose();

            /*
             * if (VERBOSE) {
             * System.out.println("TEST: terms");
             * TermEnum termEnum = r.Terms();
             * while(termEnum.Next()) {
             *  System.out.println("  term=" + termEnum.Term() + " len=" + termEnum.Term().Text().Length());
             *  Assert.IsTrue(termEnum.DocFreq() > 0);
             *  System.out.println("    s1?=" + (termEnum.Term().Text().equals(s1)) + " s1len=" + s1.Length());
             *  System.out.println("    s2?=" + (termEnum.Term().Text().equals(s2)) + " s2len=" + s2.Length());
             *  final String s = termEnum.Term().Text();
             *  for(int idx=0;idx<s.Length();idx++) {
             *    System.out.println("      ch=0x" + Integer.toHexString(s.charAt(idx)));
             *  }
             * }
             * }
             */

            Assert.AreEqual(NUM_DOCS, r.NumDocs);
            Assert.IsTrue(r.DocFreq(new Term("field", s1)) > 0);
            Assert.IsTrue(r.DocFreq(new Term("field", s2)) > 0);

            int num = AtLeast(1000);

            for (int iter = 0; iter < num; iter++)
            {
                string term;
                bool   doS1;
                if (Random().NextBoolean())
                {
                    term = s1;
                    doS1 = true;
                }
                else
                {
                    term = s2;
                    doS1 = false;
                }

                if (VERBOSE)
                {
                    Console.WriteLine("\nTEST: iter=" + iter + " doS1=" + doS1);
                }

                DocsAndPositionsEnum postings = MultiFields.GetTermPositionsEnum(r, null, "field", new BytesRef(term));

                int docID = -1;
                while (docID < DocIdSetIterator.NO_MORE_DOCS)
                {
                    int what = Random().Next(3);
                    if (what == 0)
                    {
                        if (VERBOSE)
                        {
                            Console.WriteLine("TEST: docID=" + docID + "; do next()");
                        }
                        // nextDoc
                        int expected = docID + 1;
                        while (true)
                        {
                            if (expected == NUM_DOCS)
                            {
                                expected = int.MaxValue;
                                break;
                            }
                            else if (isS1.Get(expected) == doS1)
                            {
                                break;
                            }
                            else
                            {
                                expected++;
                            }
                        }
                        docID = postings.NextDoc();
                        if (VERBOSE)
                        {
                            Console.WriteLine("  got docID=" + docID);
                        }
                        Assert.AreEqual(expected, docID);
                        if (docID == DocIdSetIterator.NO_MORE_DOCS)
                        {
                            break;
                        }

                        if (Random().Next(6) == 3)
                        {
                            int freq = postings.Freq();
                            Assert.IsTrue(freq >= 1 && freq <= 4);
                            for (int pos = 0; pos < freq; pos++)
                            {
                                Assert.AreEqual(pos, postings.NextPosition());
                                if (Random().NextBoolean())
                                {
                                    var dummy = postings.Payload;
                                    if (Random().NextBoolean())
                                    {
                                        dummy = postings.Payload; // get it again
                                    }
                                }
                            }
                        }
                    }
                    else
                    {
                        // advance
                        int targetDocID;
                        if (docID == -1)
                        {
                            targetDocID = Random().Next(NUM_DOCS + 1);
                        }
                        else
                        {
                            targetDocID = docID + TestUtil.NextInt(Random(), 1, NUM_DOCS - docID);
                        }
                        if (VERBOSE)
                        {
                            Console.WriteLine("TEST: docID=" + docID + "; do advance(" + targetDocID + ")");
                        }
                        int expected = targetDocID;
                        while (true)
                        {
                            if (expected == NUM_DOCS)
                            {
                                expected = int.MaxValue;
                                break;
                            }
                            else if (isS1.Get(expected) == doS1)
                            {
                                break;
                            }
                            else
                            {
                                expected++;
                            }
                        }

                        docID = postings.Advance(targetDocID);
                        if (VERBOSE)
                        {
                            Console.WriteLine("  got docID=" + docID);
                        }
                        Assert.AreEqual(expected, docID);
                        if (docID == DocIdSetIterator.NO_MORE_DOCS)
                        {
                            break;
                        }

                        if (Random().Next(6) == 3)
                        {
                            int freq = postings.Freq();
                            Assert.IsTrue(freq >= 1 && freq <= 4);
                            for (int pos = 0; pos < freq; pos++)
                            {
                                Assert.AreEqual(pos, postings.NextPosition());
                                if (Random().NextBoolean())
                                {
                                    var dummy = postings.Payload;
                                    if (Random().NextBoolean())
                                    {
                                        dummy = postings.Payload; // get it again
                                    }
                                }
                            }
                        }
                    }
                }
            }
            r.Dispose();
            dir.Dispose();
        }
示例#5
0
        public virtual void DoTestNumbers(bool withPayloads)
        {
            Directory dir      = NewDirectory();
            Analyzer  analyzer = withPayloads ? (Analyzer) new MockPayloadAnalyzer() : new MockAnalyzer(Random());

            Iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer);
            Iwc.SetMergePolicy(NewLogMergePolicy()); // will rely on docids a bit for skipping
            RandomIndexWriter w = new RandomIndexWriter(Random(), dir, Iwc);

            FieldType ft = new FieldType(TextField.TYPE_STORED);

            ft.IndexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
            if (Random().NextBoolean())
            {
                ft.StoreTermVectors         = true;
                ft.StoreTermVectorOffsets   = Random().NextBoolean();
                ft.StoreTermVectorPositions = Random().NextBoolean();
            }

            int numDocs = AtLeast(500);

            for (int i = 0; i < numDocs; i++)
            {
                Document doc = new Document();
                doc.Add(new Field("numbers", English.IntToEnglish(i), ft));
                doc.Add(new Field("oddeven", (i % 2) == 0 ? "even" : "odd", ft));
                doc.Add(new StringField("id", "" + i, Field.Store.NO));
                w.AddDocument(doc);
            }

            IndexReader reader = w.Reader;

            w.Dispose();

            string[] terms = new string[] { "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "hundred" };

            foreach (string term in terms)
            {
                DocsAndPositionsEnum dp = MultiFields.GetTermPositionsEnum(reader, null, "numbers", new BytesRef(term));
                int doc;
                while ((doc = dp.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
                {
                    string storedNumbers = reader.Document(doc).Get("numbers");
                    int    freq          = dp.Freq;
                    for (int i = 0; i < freq; i++)
                    {
                        dp.NextPosition();
                        int start = dp.StartOffset;
                        Debug.Assert(start >= 0);
                        int end = dp.EndOffset;
                        Debug.Assert(end >= 0 && end >= start);
                        // check that the offsets correspond to the term in the src text
                        Assert.IsTrue(storedNumbers.Substring(start, end - start).Equals(term, StringComparison.Ordinal));
                        if (withPayloads)
                        {
                            // check that we have a payload and it starts with "pos"
                            Assert.IsNotNull(dp.GetPayload());
                            BytesRef payload = dp.GetPayload();
                            Assert.IsTrue(payload.Utf8ToString().StartsWith("pos:", StringComparison.Ordinal));
                        } // note: withPayloads=false doesnt necessarily mean we dont have them from MockAnalyzer!
                    }
                }
            }

            // check we can skip correctly
            int numSkippingTests = AtLeast(50);

            for (int j = 0; j < numSkippingTests; j++)
            {
                int num = TestUtil.NextInt(Random(), 100, Math.Min(numDocs - 1, 999));
                DocsAndPositionsEnum dp = MultiFields.GetTermPositionsEnum(reader, null, "numbers", new BytesRef("hundred"));
                int doc = dp.Advance(num);
                Assert.AreEqual(num, doc);
                int freq = dp.Freq;
                for (int i = 0; i < freq; i++)
                {
                    string storedNumbers = reader.Document(doc).Get("numbers");
                    dp.NextPosition();
                    int start = dp.StartOffset;
                    Debug.Assert(start >= 0);
                    int end = dp.EndOffset;
                    Debug.Assert(end >= 0 && end >= start);
                    // check that the offsets correspond to the term in the src text
                    Assert.IsTrue(storedNumbers.Substring(start, end - start).Equals("hundred", StringComparison.Ordinal));
                    if (withPayloads)
                    {
                        // check that we have a payload and it starts with "pos"
                        Assert.IsNotNull(dp.GetPayload());
                        BytesRef payload = dp.GetPayload();
                        Assert.IsTrue(payload.Utf8ToString().StartsWith("pos:", StringComparison.Ordinal));
                    } // note: withPayloads=false doesnt necessarily mean we dont have them from MockAnalyzer!
                }
            }

            // check that other fields (without offsets) work correctly

            for (int i = 0; i < numDocs; i++)
            {
                DocsEnum dp = MultiFields.GetTermDocsEnum(reader, null, "id", new BytesRef("" + i), 0);
                Assert.AreEqual(i, dp.NextDoc());
                Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dp.NextDoc());
            }

            reader.Dispose();
            dir.Dispose();
        }
示例#6
0
 /// <summary>
 /// checks docs + freqs + positions + payloads, sequentially
 /// </summary>
 public void AssertDocsAndPositionsEnumEquals(string info, DocsAndPositionsEnum leftDocs, DocsAndPositionsEnum rightDocs)
 {
     if (leftDocs == null || rightDocs == null)
     {
         Assert.IsNull(leftDocs);
         Assert.IsNull(rightDocs);
         return;
     }
     Assert.AreEqual(-1, leftDocs.DocID(), info);
     Assert.AreEqual(-1, rightDocs.DocID(), info);
     int docid;
     while ((docid = leftDocs.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
     {
         Assert.AreEqual(docid, rightDocs.NextDoc(), info);
         int freq = leftDocs.Freq();
         Assert.AreEqual(freq, rightDocs.Freq(), info);
         for (int i = 0; i < freq; i++)
         {
             Assert.AreEqual(leftDocs.NextPosition(), rightDocs.NextPosition(), info);
             Assert.AreEqual(leftDocs.Payload, rightDocs.Payload, info);
             Assert.AreEqual(leftDocs.StartOffset(), rightDocs.StartOffset(), info);
             Assert.AreEqual(leftDocs.EndOffset(), rightDocs.EndOffset(), info);
         }
     }
     Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, rightDocs.NextDoc(), info);
 }
        public virtual void TestPositionReader()
        {
            TermVectorsReader reader = Codec.Default.TermVectorsFormat().VectorsReader(Dir, Seg.Info, FieldInfos, NewIOContext(Random()));

            BytesRef[] terms;
            Terms      vector = reader.Get(0).Terms(TestFields[0]);

            Assert.IsNotNull(vector);
            Assert.AreEqual(TestTerms.Length, vector.Size());
            TermsEnum            termsEnum = vector.Iterator(null);
            DocsAndPositionsEnum dpEnum    = null;

            for (int i = 0; i < TestTerms.Length; i++)
            {
                BytesRef text = termsEnum.Next();
                Assert.IsNotNull(text);
                string term = text.Utf8ToString();
                //System.out.println("Term: " + term);
                Assert.AreEqual(TestTerms[i], term);

                dpEnum = termsEnum.DocsAndPositions(null, dpEnum);
                Assert.IsNotNull(dpEnum);
                int doc = dpEnum.DocID();
                Assert.AreEqual(-1, doc);
                Assert.IsTrue(dpEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                Assert.AreEqual(dpEnum.Freq(), Positions[i].Length);
                for (int j = 0; j < Positions[i].Length; j++)
                {
                    Assert.AreEqual(Positions[i][j], dpEnum.NextPosition());
                }
                Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dpEnum.NextDoc());

                dpEnum = termsEnum.DocsAndPositions(null, dpEnum);
                doc    = dpEnum.DocID();
                Assert.AreEqual(-1, doc);
                Assert.IsTrue(dpEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                Assert.IsNotNull(dpEnum);
                Assert.AreEqual(dpEnum.Freq(), Positions[i].Length);
                for (int j = 0; j < Positions[i].Length; j++)
                {
                    Assert.AreEqual(Positions[i][j], dpEnum.NextPosition());
                    Assert.AreEqual(j * 10, dpEnum.StartOffset());
                    Assert.AreEqual(j * 10 + TestTerms[i].Length, dpEnum.EndOffset());
                }
                Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dpEnum.NextDoc());
            }

            Terms freqVector = reader.Get(0).Terms(TestFields[1]); //no pos, no offset

            Assert.IsNotNull(freqVector);
            Assert.AreEqual(TestTerms.Length, freqVector.Size());
            termsEnum = freqVector.Iterator(null);
            Assert.IsNotNull(termsEnum);
            for (int i = 0; i < TestTerms.Length; i++)
            {
                BytesRef text = termsEnum.Next();
                Assert.IsNotNull(text);
                string term = text.Utf8ToString();
                //System.out.println("Term: " + term);
                Assert.AreEqual(TestTerms[i], term);
                Assert.IsNotNull(termsEnum.Docs(null, null));
                Assert.IsNull(termsEnum.DocsAndPositions(null, null)); // no pos
            }
            reader.Dispose();
        }
示例#8
0
 public override int NextDoc()
 {
     return(@in.NextDoc());
 }
        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)
            {
                if (Debugging.AssertsEnabled)
                {
                    Debugging.Assert(false, "r1.NumDocs={0} vs r2.NumDocs={1}", r1.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.GetTerms(idField);

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

            IBits liveDocs1 = MultiFields.GetLiveDocs(r1);
            IBits 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):
                IBits    liveDocs = MultiFields.GetLiveDocs(r1);
                DocsEnum docs     = null;
                while (termsEnum.MoveNext())
                {
                    docs = TestUtil.Docs(Random, termsEnum, liveDocs, docs, DocsFlags.NONE);
                    while (docs.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
                    {
                        Assert.Fail("r1 is not empty but r2 is");
                    }
                }
                return;
            }
            Terms     terms2     = fields.GetTerms(idField);
            TermsEnum termsEnum2 = terms2.GetEnumerator();

            DocsEnum termDocs1 = null;
            DocsEnum termDocs2 = null;

            while (termsEnum.MoveNext())
            {
                BytesRef term = termsEnum.Term;
                //System.out.println("TEST: match id term=" + term);

                termDocs1 = TestUtil.Docs(Random, termsEnum, liveDocs1, termDocs1, DocsFlags.NONE);
                if (termsEnum2.SeekExact(term))
                {
                    termDocs2 = TestUtil.Docs(Random, termsEnum2, liveDocs2, termDocs2, DocsFlags.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; // LUCENENET: CA2200: Rethrow to preserve stack details (https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2200-rethrow-to-preserve-stack-details)
                }

                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.GetTerms(field);
                            Assert.IsNotNull(terms3);
                            TermsEnum termsEnum3 = terms3.GetEnumerator();
                            while (termsEnum3.MoveNext())
                            {
                                Console.WriteLine("      " + termsEnum3.Term.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, DocsFlags.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.GetTerms(field);
                            Assert.IsNotNull(terms3);
                            TermsEnum termsEnum3 = terms3.GetEnumerator();
                            while (termsEnum3.MoveNext())
                            {
                                Console.WriteLine("      " + termsEnum3.Term.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, DocsFlags.FREQS);
                                    Assert.IsNotNull(dEnum);
                                    Assert.IsTrue(dEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                                    int freq = dEnum.Freq;
                                    Console.WriteLine("        doc=" + dEnum.DocID + " freq=" + freq);
                                }
                            }
                        }
                    }

                    throw; // LUCENENET: CA2200: Rethrow to preserve stack details (https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2200-rethrow-to-preserve-stack-details)
                }
            }

            //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.GetTerms(field1);
                        if (terms == null)
                        {
                            continue;
                        }
                        termsEnum1 = terms.GetEnumerator();
                    }
                    if (!termsEnum1.MoveNext())
                    {
                        term1 = null;
                        // no more terms in this field
                        termsEnum1 = null;
                        continue;
                    }
                    term1 = termsEnum1.Term;

                    //System.out.println("TEST: term1=" + term1);
                    docs1 = TestUtil.Docs(Random, termsEnum1, liveDocs1, docs1, DocsFlags.FREQS);
                    while (docs1.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
                    {
                        int d = docs1.DocID;
                        int f = docs1.Freq;
                        info1[len1] = (((long)d) << 32) | (uint)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.GetTerms(field2);
                        if (terms == null)
                        {
                            continue;
                        }
                        termsEnum2 = terms.GetEnumerator();
                    }
                    if (!termsEnum2.MoveNext())
                    {
                        term2 = null;
                        // no more terms in this field
                        termsEnum2 = null;
                        continue;
                    }
                    term2 = termsEnum2.Term;

                    //System.out.println("TEST: term1=" + term1);
                    docs2 = TestUtil.Docs(Random, termsEnum2, liveDocs2, docs2, DocsFlags.FREQS);
                    while (docs2.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
                    {
                        int d = r2r1[docs2.DocID];
                        int f = docs2.Freq;
                        info2[len2] = (((long)d) << 32) | (uint)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=" + (info1[i].TripleShift(32)) + " f1=" + (info1[i] & int.MaxValue) + " d2=" + (info2[i].TripleShift(32)) + " f2=" + (info2[i] & int.MaxValue) + " field=" + field1 + " term=" + term1.Utf8ToString());
                }
            }
        }
示例#10
0
        public virtual void TestDoubleOffsetCounting()
        {
            Directory   dir        = NewDirectory();
            IndexWriter w          = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())));
            Document    doc        = new Document();
            FieldType   customType = new FieldType(StringField.TYPE_NOT_STORED);

            customType.StoreTermVectors         = true;
            customType.StoreTermVectorPositions = true;
            customType.StoreTermVectorOffsets   = true;
            Field f = NewField("field", "abcd", customType);

            doc.Add(f);
            doc.Add(f);
            Field f2 = NewField("field", "", customType);

            doc.Add(f2);
            doc.Add(f);
            w.AddDocument(doc);
            w.Dispose();

            IndexReader r      = DirectoryReader.Open(dir);
            Terms       vector = r.GetTermVectors(0).Terms("field");

            Assert.IsNotNull(vector);
            TermsEnum termsEnum = vector.Iterator(null);

            Assert.IsNotNull(termsEnum.Next());
            Assert.AreEqual("", termsEnum.Term().Utf8ToString());

            // Token "" occurred once
            Assert.AreEqual(1, termsEnum.TotalTermFreq());

            DocsAndPositionsEnum dpEnum = termsEnum.DocsAndPositions(null, null);

            Assert.IsTrue(dpEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
            dpEnum.NextPosition();
            Assert.AreEqual(8, dpEnum.StartOffset());
            Assert.AreEqual(8, dpEnum.EndOffset());
            Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dpEnum.NextDoc());

            // Token "abcd" occurred three times
            Assert.AreEqual(new BytesRef("abcd"), termsEnum.Next());
            dpEnum = termsEnum.DocsAndPositions(null, dpEnum);
            Assert.AreEqual(3, termsEnum.TotalTermFreq());

            Assert.IsTrue(dpEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
            dpEnum.NextPosition();
            Assert.AreEqual(0, dpEnum.StartOffset());
            Assert.AreEqual(4, dpEnum.EndOffset());

            dpEnum.NextPosition();
            Assert.AreEqual(4, dpEnum.StartOffset());
            Assert.AreEqual(8, dpEnum.EndOffset());

            dpEnum.NextPosition();
            Assert.AreEqual(8, dpEnum.StartOffset());
            Assert.AreEqual(12, dpEnum.EndOffset());

            Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dpEnum.NextDoc());
            Assert.IsNull(termsEnum.Next());
            r.Dispose();
            dir.Dispose();
        }
        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)));
                }
            }
        }
示例#12
0
        public virtual void TestLargeNumberOfPositions()
        {
            Directory         dir    = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random, dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)));
            int       howMany        = 1000;
            FieldType customType     = new FieldType(TextField.TYPE_NOT_STORED);

            customType.OmitNorms = true;
            for (int i = 0; i < 39; i++)
            {
                Document      doc     = new Document();
                StringBuilder builder = new StringBuilder();
                for (int j = 0; j < howMany; j++)
                {
                    if (j % 2 == 0)
                    {
                        builder.Append("even ");
                    }
                    else
                    {
                        builder.Append("odd ");
                    }
                }
                doc.Add(NewField(fieldName, builder.ToString(), customType));
                writer.AddDocument(doc);
            }

            // now do searches
            IndexReader reader = writer.GetReader();

            writer.Dispose();

            int num = AtLeast(13);

            for (int i = 0; i < num; i++)
            {
                BytesRef bytes = new BytesRef("even");

                IndexReaderContext topReaderContext = reader.Context;
                foreach (AtomicReaderContext atomicReaderContext in topReaderContext.Leaves)
                {
                    DocsAndPositionsEnum docsAndPosEnum = GetDocsAndPositions((AtomicReader)atomicReaderContext.Reader, bytes, null);
                    Assert.IsNotNull(docsAndPosEnum);

                    int initDoc = 0;
                    int maxDoc  = atomicReaderContext.Reader.MaxDoc;
                    // initially advance or do next doc
                    if (Random.NextBoolean())
                    {
                        initDoc = docsAndPosEnum.NextDoc();
                    }
                    else
                    {
                        initDoc = docsAndPosEnum.Advance(Random.Next(maxDoc));
                    }
                    string msg = "Iteration: " + i + " initDoc: " + initDoc; // TODO: + " payloads: " + usePayload;
                    Assert.AreEqual(howMany / 2, docsAndPosEnum.Freq);
                    for (int j = 0; j < howMany; j += 2)
                    {
                        Assert.AreEqual(j, docsAndPosEnum.NextPosition(), "position missmatch index: " + j + " with freq: " + docsAndPosEnum.Freq + " -- " + msg);
                    }
                }
            }
            reader.Dispose();
            dir.Dispose();
        }
示例#13
0
        public virtual void TestRandomPositions()
        {
            Directory         dir    = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random, dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)).SetMergePolicy(NewLogMergePolicy()));
            int numDocs = AtLeast(47);
            int max     = 1051;
            int term    = Random.Next(max);

            int?[][]  positionsInDoc = new int?[numDocs][];
            FieldType customType     = new FieldType(TextField.TYPE_NOT_STORED);

            customType.OmitNorms = true;
            for (int i = 0; i < numDocs; i++)
            {
                Document      doc       = new Document();
                List <int?>   positions = new List <int?>();
                StringBuilder builder   = new StringBuilder();
                int           num       = AtLeast(131);
                for (int j = 0; j < num; j++)
                {
                    int nextInt = Random.Next(max);
                    builder.Append(nextInt).Append(" ");
                    if (nextInt == term)
                    {
                        positions.Add(Convert.ToInt32(j));
                    }
                }
                if (positions.Count == 0)
                {
                    builder.Append(term);
                    positions.Add(num);
                }
                doc.Add(NewField(fieldName, builder.ToString(), customType));
                positionsInDoc[i] = positions.ToArray();
                writer.AddDocument(doc);
            }

            IndexReader reader = writer.GetReader();

            writer.Dispose();

            int num_ = AtLeast(13);

            for (int i = 0; i < num_; i++)
            {
                BytesRef           bytes            = new BytesRef("" + term);
                IndexReaderContext topReaderContext = reader.Context;
                foreach (AtomicReaderContext atomicReaderContext in topReaderContext.Leaves)
                {
                    DocsAndPositionsEnum docsAndPosEnum = GetDocsAndPositions((AtomicReader)atomicReaderContext.Reader, bytes, null);
                    Assert.IsNotNull(docsAndPosEnum);
                    int initDoc = 0;
                    int maxDoc  = atomicReaderContext.Reader.MaxDoc;
                    // initially advance or do next doc
                    if (Random.NextBoolean())
                    {
                        initDoc = docsAndPosEnum.NextDoc();
                    }
                    else
                    {
                        initDoc = docsAndPosEnum.Advance(Random.Next(maxDoc));
                    }
                    // now run through the scorer and check if all positions are there...
                    do
                    {
                        int docID = docsAndPosEnum.DocID;
                        if (docID == DocIdSetIterator.NO_MORE_DOCS)
                        {
                            break;
                        }
                        int?[] pos = positionsInDoc[atomicReaderContext.DocBase + docID];
                        Assert.AreEqual(pos.Length, docsAndPosEnum.Freq);
                        // number of positions read should be random - don't read all of them
                        // allways
                        int howMany = Random.Next(20) == 0 ? pos.Length - Random.Next(pos.Length) : pos.Length;
                        for (int j = 0; j < howMany; j++)
                        {
                            Assert.AreEqual(pos[j], docsAndPosEnum.NextPosition(), "iteration: " + i + " initDoc: " + initDoc + " doc: " + docID + " base: " + atomicReaderContext.DocBase + " positions: " + pos); /* TODO: + " usePayloads: "
                                                                                                                                                                                                                     + usePayload*/
                        }

                        if (Random.Next(10) == 0) // once is a while advance
                        {
                            if (docsAndPosEnum.Advance(docID + 1 + Random.Next((maxDoc - docID))) == DocIdSetIterator.NO_MORE_DOCS)
                            {
                                break;
                            }
                        }
                    } while (docsAndPosEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                }
            }
            reader.Dispose();
            dir.Dispose();
        }
示例#14
0
        public virtual void TestArbitraryFields()
        {
            Directory         dir = NewDirectory();
            RandomIndexWriter w   = new RandomIndexWriter(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
                this,
#endif
                Random, dir);

            int NUM_DOCS = AtLeast(27);

            if (VERBOSE)
            {
                Console.WriteLine("TEST: " + NUM_DOCS + " docs");
            }
            int[] fieldsPerDoc = new int[NUM_DOCS];
            int   baseCount    = 0;

            for (int docCount = 0; docCount < NUM_DOCS; docCount++)
            {
                int fieldCount = TestUtil.NextInt32(Random, 1, 17);
                fieldsPerDoc[docCount] = fieldCount - 1;

                int finalDocCount = docCount;
                if (VERBOSE)
                {
                    Console.WriteLine("TEST: " + fieldCount + " fields in doc " + docCount);
                }

                int finalBaseCount = baseCount;
                baseCount += fieldCount - 1;

                w.AddDocument(new IterableAnonymousInnerClassHelper(this, fieldCount, finalDocCount, finalBaseCount));
            }

            IndexReader r = w.GetReader();

            w.Dispose();

            IndexSearcher s       = NewSearcher(r);
            int           counter = 0;

            for (int id = 0; id < NUM_DOCS; id++)
            {
                if (VERBOSE)
                {
                    Console.WriteLine("TEST: verify doc id=" + id + " (" + fieldsPerDoc[id] + " fields) counter=" + counter);
                }
                TopDocs hits = s.Search(new TermQuery(new Term("id", "" + id)), 1);
                Assert.AreEqual(1, hits.TotalHits);
                int      docID      = hits.ScoreDocs[0].Doc;
                Document doc        = s.Doc(docID);
                int      endCounter = counter + fieldsPerDoc[id];
                while (counter < endCounter)
                {
                    string name    = "f" + counter;
                    int    fieldID = counter % 10;

                    bool stored  = (counter & 1) == 0 || fieldID == 3;
                    bool binary  = fieldID == 3;
                    bool indexed = fieldID != 3;

                    string stringValue;
                    if (fieldID != 3 && fieldID != 9)
                    {
                        stringValue = "text " + counter;
                    }
                    else
                    {
                        stringValue = null;
                    }

                    // stored:
                    if (stored)
                    {
                        IIndexableField f = doc.GetField(name);
                        Assert.IsNotNull(f, "doc " + id + " doesn't have field f" + counter);
                        if (binary)
                        {
                            Assert.IsNotNull(f, "doc " + id + " doesn't have field f" + counter);
                            BytesRef b = f.GetBinaryValue();
                            Assert.IsNotNull(b);
                            Assert.AreEqual(10, b.Length);
                            for (int idx = 0; idx < 10; idx++)
                            {
                                Assert.AreEqual((byte)(idx + counter), b.Bytes[b.Offset + idx]);
                            }
                        }
                        else
                        {
                            Debug.Assert(stringValue != null);
                            Assert.AreEqual(stringValue, f.GetStringValue());
                        }
                    }

                    if (indexed)
                    {
                        bool tv = counter % 2 == 1 && fieldID != 9;
                        if (tv)
                        {
                            Terms tfv = r.GetTermVectors(docID).GetTerms(name);
                            Assert.IsNotNull(tfv);
                            TermsEnum termsEnum = tfv.GetIterator(null);
                            Assert.AreEqual(new BytesRef("" + counter), termsEnum.Next());
                            Assert.AreEqual(1, termsEnum.TotalTermFreq);
                            DocsAndPositionsEnum dpEnum = termsEnum.DocsAndPositions(null, null);
                            Assert.IsTrue(dpEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                            Assert.AreEqual(1, dpEnum.Freq);
                            Assert.AreEqual(1, dpEnum.NextPosition());

                            Assert.AreEqual(new BytesRef("text"), termsEnum.Next());
                            Assert.AreEqual(1, termsEnum.TotalTermFreq);
                            dpEnum = termsEnum.DocsAndPositions(null, dpEnum);
                            Assert.IsTrue(dpEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                            Assert.AreEqual(1, dpEnum.Freq);
                            Assert.AreEqual(0, dpEnum.NextPosition());

                            Assert.IsNull(termsEnum.Next());

                            // TODO: offsets
                        }
                        else
                        {
                            Fields vectors = r.GetTermVectors(docID);
                            Assert.IsTrue(vectors == null || vectors.GetTerms(name) == null);
                        }

                        BooleanQuery bq = new BooleanQuery();
                        bq.Add(new TermQuery(new Term("id", "" + id)), Occur.MUST);
                        bq.Add(new TermQuery(new Term(name, "text")), Occur.MUST);
                        TopDocs hits2 = s.Search(bq, 1);
                        Assert.AreEqual(1, hits2.TotalHits);
                        Assert.AreEqual(docID, hits2.ScoreDocs[0].Doc);

                        bq = new BooleanQuery();
                        bq.Add(new TermQuery(new Term("id", "" + id)), Occur.MUST);
                        bq.Add(new TermQuery(new Term(name, "" + counter)), Occur.MUST);
                        TopDocs hits3 = s.Search(bq, 1);
                        Assert.AreEqual(1, hits3.TotalHits);
                        Assert.AreEqual(docID, hits3.ScoreDocs[0].Doc);
                    }

                    counter++;
                }
            }

            r.Dispose();
            dir.Dispose();
        }
 /// <summary>
 /// checks docs + freqs + positions + payloads, sequentially
 /// </summary>
 public virtual void AssertDocsAndPositionsEnum(DocsAndPositionsEnum leftDocs, DocsAndPositionsEnum rightDocs)
 {
     if (leftDocs == null || rightDocs == null)
     {
         Assert.IsNull(leftDocs);
         Assert.IsNull(rightDocs);
         return;
     }
     Assert.AreEqual(-1, leftDocs.DocID());
     Assert.AreEqual(-1, rightDocs.DocID());
     int docid;
     while ((docid = leftDocs.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
     {
         Assert.AreEqual(docid, rightDocs.NextDoc());
         int freq = leftDocs.Freq();
         Assert.AreEqual(freq, rightDocs.Freq());
         for (int i = 0; i < freq; i++)
         {
             Assert.AreEqual(leftDocs.NextPosition(), rightDocs.NextPosition());
             // we don't assert offsets/payloads, they are allowed to be different
         }
     }
     Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, rightDocs.NextDoc());
 }
示例#16
0
        public static void VerifyEquals(Fields d1, Fields d2)
        {
            if (d1 == null)
            {
                Assert.IsTrue(d2 == null || d2.Count == 0);
                return;
            }
            Assert.IsTrue(d2 != null);

            IEnumerator <string> fieldsEnum2 = d2.GetEnumerator();

            foreach (string field1 in d1)
            {
                fieldsEnum2.MoveNext();
                string field2 = fieldsEnum2.Current;
                Assert.AreEqual(field1, field2);

                Terms terms1 = d1.GetTerms(field1);
                Assert.IsNotNull(terms1);
                TermsEnum termsEnum1 = terms1.GetEnumerator();

                Terms terms2 = d2.GetTerms(field2);
                Assert.IsNotNull(terms2);
                TermsEnum termsEnum2 = terms2.GetEnumerator();

                DocsAndPositionsEnum dpEnum1 = null;
                DocsAndPositionsEnum dpEnum2 = null;
                DocsEnum             dEnum1  = null;
                DocsEnum             dEnum2  = null;

                BytesRef term1;
                while (termsEnum1.MoveNext())
                {
                    term1 = termsEnum1.Term;
                    termsEnum2.MoveNext();
                    BytesRef term2 = termsEnum2.Term;
                    Assert.AreEqual(term1, term2);
                    Assert.AreEqual(termsEnum1.TotalTermFreq, termsEnum2.TotalTermFreq);

                    dpEnum1 = termsEnum1.DocsAndPositions(null, dpEnum1);
                    dpEnum2 = termsEnum2.DocsAndPositions(null, dpEnum2);
                    if (dpEnum1 != null)
                    {
                        Assert.IsNotNull(dpEnum2);
                        int docID1 = dpEnum1.NextDoc();
                        dpEnum2.NextDoc();
                        // docIDs are not supposed to be equal
                        //int docID2 = dpEnum2.NextDoc();
                        //Assert.AreEqual(docID1, docID2);
                        Assert.IsTrue(docID1 != DocIdSetIterator.NO_MORE_DOCS);

                        int freq1 = dpEnum1.Freq;
                        int freq2 = dpEnum2.Freq;
                        Assert.AreEqual(freq1, freq2);
                        IOffsetAttribute offsetAtt1 = dpEnum1.Attributes.HasAttribute <IOffsetAttribute>() ? dpEnum1.Attributes.GetAttribute <IOffsetAttribute>() : null;
                        IOffsetAttribute offsetAtt2 = dpEnum2.Attributes.HasAttribute <IOffsetAttribute>() ? dpEnum2.Attributes.GetAttribute <IOffsetAttribute>() : null;

                        if (offsetAtt1 != null)
                        {
                            Assert.IsNotNull(offsetAtt2);
                        }
                        else
                        {
                            Assert.IsNull(offsetAtt2);
                        }

                        for (int posUpto = 0; posUpto < freq1; posUpto++)
                        {
                            int pos1 = dpEnum1.NextPosition();
                            int pos2 = dpEnum2.NextPosition();
                            Assert.AreEqual(pos1, pos2);
                            if (offsetAtt1 != null)
                            {
                                Assert.AreEqual(offsetAtt1.StartOffset, offsetAtt2.StartOffset);
                                Assert.AreEqual(offsetAtt1.EndOffset, offsetAtt2.EndOffset);
                            }
                        }
                        Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dpEnum1.NextDoc());
                        Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dpEnum2.NextDoc());
                    }
                    else
                    {
                        dEnum1 = TestUtil.Docs(Random, termsEnum1, null, dEnum1, DocsFlags.FREQS);
                        dEnum2 = TestUtil.Docs(Random, termsEnum2, null, dEnum2, DocsFlags.FREQS);
                        Assert.IsNotNull(dEnum1);
                        Assert.IsNotNull(dEnum2);
                        int docID1 = dEnum1.NextDoc();
                        dEnum2.NextDoc();
                        // docIDs are not supposed to be equal
                        //int docID2 = dEnum2.NextDoc();
                        //Assert.AreEqual(docID1, docID2);
                        Assert.IsTrue(docID1 != DocIdSetIterator.NO_MORE_DOCS);
                        int freq1 = dEnum1.Freq;
                        int freq2 = dEnum2.Freq;
                        Assert.AreEqual(freq1, freq2);
                        Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dEnum1.NextDoc());
                        Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dEnum2.NextDoc());
                    }
                }

                Assert.IsFalse(termsEnum2.MoveNext());
            }
            Assert.IsFalse(fieldsEnum2.MoveNext());
        }
        /// <summary>
        /// checks advancing docs + positions
        /// </summary>
        public virtual void AssertPositionsSkipping(int docFreq, DocsAndPositionsEnum leftDocs, DocsAndPositionsEnum rightDocs)
        {
            if (leftDocs == null || rightDocs == null)
            {
                Assert.IsNull(leftDocs);
                Assert.IsNull(rightDocs);
                return;
            }

            int docid = -1;
            int averageGap = MAXDOC / (1 + docFreq);
            int skipInterval = 16;

            while (true)
            {
                if (Random().NextBoolean())
                {
                    // nextDoc()
                    docid = leftDocs.NextDoc();
                    Assert.AreEqual(docid, rightDocs.NextDoc());
                }
                else
                {
                    // advance()
                    int skip = docid + (int)Math.Ceiling(Math.Abs(skipInterval + Random().NextDouble() * averageGap));
                    docid = leftDocs.Advance(skip);
                    Assert.AreEqual(docid, rightDocs.Advance(skip));
                }

                if (docid == DocIdSetIterator.NO_MORE_DOCS)
                {
                    return;
                }
                int freq = leftDocs.Freq();
                Assert.AreEqual(freq, rightDocs.Freq());
                for (int i = 0; i < freq; i++)
                {
                    Assert.AreEqual(leftDocs.NextPosition(), rightDocs.NextPosition());
                    // we don't compare the payloads, its allowed that one is empty etc
                }
            }
        }
        public virtual void TestPositionReader()
        {
            TermVectorsReader reader = Codec.Default.TermVectorsFormat.VectorsReader(dir, seg.Info, fieldInfos, NewIOContext(Random));
            //BytesRef[] terms; // LUCENENET NOTE: Not used in Lucene
            Terms vector = reader.Get(0).GetTerms(testFields[0]);

            Assert.IsNotNull(vector);
            Assert.AreEqual(testTerms.Length, vector.Count);
            TermsEnum            termsEnum = vector.GetEnumerator();
            DocsAndPositionsEnum dpEnum    = null;

            for (int i = 0; i < testTerms.Length; i++)
            {
                Assert.IsTrue(termsEnum.MoveNext());
                BytesRef text = termsEnum.Term;
                string   term = text.Utf8ToString();
                //System.out.println("Term: " + term);
                Assert.AreEqual(testTerms[i], term);

                dpEnum = termsEnum.DocsAndPositions(null, dpEnum);
                Assert.IsNotNull(dpEnum);
                int doc = dpEnum.DocID;
                Assert.AreEqual(-1, doc);
                Assert.IsTrue(dpEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                Assert.AreEqual(dpEnum.Freq, positions[i].Length);
                for (int j = 0; j < positions[i].Length; j++)
                {
                    Assert.AreEqual(positions[i][j], dpEnum.NextPosition());
                }
                Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dpEnum.NextDoc());

                dpEnum = termsEnum.DocsAndPositions(null, dpEnum);
                doc    = dpEnum.DocID;
                Assert.AreEqual(-1, doc);
                Assert.IsTrue(dpEnum.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
                Assert.IsNotNull(dpEnum);
                Assert.AreEqual(dpEnum.Freq, positions[i].Length);
                for (int j = 0; j < positions[i].Length; j++)
                {
                    Assert.AreEqual(positions[i][j], dpEnum.NextPosition());
                    Assert.AreEqual(j * 10, dpEnum.StartOffset);
                    Assert.AreEqual(j * 10 + testTerms[i].Length, dpEnum.EndOffset);
                }
                Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, dpEnum.NextDoc());
            }

            Terms freqVector = reader.Get(0).GetTerms(testFields[1]); //no pos, no offset

            Assert.IsNotNull(freqVector);
            Assert.AreEqual(testTerms.Length, freqVector.Count);
            termsEnum = freqVector.GetEnumerator();
            Assert.IsNotNull(termsEnum);
            for (int i = 0; i < testTerms.Length; i++)
            {
                Assert.IsTrue(termsEnum.MoveNext());
                BytesRef text = termsEnum.Term;
                string   term = text.Utf8ToString();
                //System.out.println("Term: " + term);
                Assert.AreEqual(testTerms[i], term);
                Assert.IsNotNull(termsEnum.Docs(null, null));
                Assert.IsNull(termsEnum.DocsAndPositions(null, null)); // no pos
            }
            reader.Dispose();
        }
示例#19
0
        /// <summary>
        /// checks advancing docs + positions
        /// </summary>
        public void AssertPositionsSkippingEquals(string info, IndexReader leftReader, int docFreq, DocsAndPositionsEnum leftDocs, DocsAndPositionsEnum rightDocs)
        {
            if (leftDocs == null || rightDocs == null)
            {
                Assert.IsNull(leftDocs);
                Assert.IsNull(rightDocs);
                return;
            }

            int docid = -1;
            int averageGap = leftReader.MaxDoc / (1 + docFreq);
            int skipInterval = 16;

            while (true)
            {
                if (Random().NextBoolean())
                {
                    // nextDoc()
                    docid = leftDocs.NextDoc();
                    Assert.AreEqual(docid, rightDocs.NextDoc(), info);
                }
                else
                {
                    // advance()
                    int skip = docid + (int)Math.Ceiling(Math.Abs(skipInterval + Random().NextDouble() * averageGap));
                    docid = leftDocs.Advance(skip);
                    Assert.AreEqual(docid, rightDocs.Advance(skip), info);
                }

                if (docid == DocIdSetIterator.NO_MORE_DOCS)
                {
                    return;
                }
                int freq = leftDocs.Freq();
                Assert.AreEqual(freq, rightDocs.Freq(), info);
                for (int i = 0; i < freq; i++)
                {
                    Assert.AreEqual(leftDocs.NextPosition(), rightDocs.NextPosition(), info);
                    Assert.AreEqual(leftDocs.Payload, rightDocs.Payload, info);
                }
            }
        }
示例#20
0
        protected virtual void AssertEquals(RandomTokenStream tk, FieldType ft, Terms terms)
        {
            Assert.AreEqual(1, terms.DocCount);
            int termCount = new JCG.HashSet <string>(tk.terms).Count;

            Assert.AreEqual((long)termCount, terms.Count);      // LUCENENET specific - cast required because types don't match (xUnit checks this)
            Assert.AreEqual((long)termCount, terms.SumDocFreq); // LUCENENET specific - cast required because types don't match (xUnit checks this)
            Assert.AreEqual(ft.StoreTermVectorPositions, terms.HasPositions);
            Assert.AreEqual(ft.StoreTermVectorOffsets, terms.HasOffsets);
            Assert.AreEqual(ft.StoreTermVectorPayloads && tk.HasPayloads(), terms.HasPayloads);
            ISet <BytesRef> uniqueTerms = new JCG.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.Comparer);
            TermsEnum termsEnum = terms.GetEnumerator(Random.NextBoolean() ? null : this.termsEnum.Value);

            this.termsEnum.Value = termsEnum;
            for (int i = 0; i < sortedTerms.Length; ++i)
            {
                Assert.IsTrue(termsEnum.MoveNext());
                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()], 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()], 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.GetPayload()))
                                    {
                                        foundPayload = true;
                                        break;
                                    }
                                }
                                Assert.IsTrue(foundPayload);
                            }
                        }
                        try
                        {
                            docsAndPositionsEnum.NextPosition();
                            Assert.Fail();
                        }
                        catch (Exception e) when(e.IsException())
                        {
                            // ok
                        }
                        catch (Exception e) when(e.IsAssertionError())
                        {
                            // ok
                        }
                    }
                    Assert.AreEqual(DocsEnum.NO_MORE_DOCS, docsAndPositionsEnum.NextDoc());
                }
                this.docsAndPositionsEnum.Value = docsAndPositionsEnum;
            }
            Assert.IsFalse(termsEnum.MoveNext());
            for (int i = 0; i < 5; ++i)
            {
                if (Random.NextBoolean())
                {
                    Assert.IsTrue(termsEnum.SeekExact(RandomPicks.RandomFrom(Random, tk.termBytes)));
                }
                else
                {
                    Assert.AreEqual(SeekStatus.FOUND, termsEnum.SeekCeil(RandomPicks.RandomFrom(Random, tk.termBytes)));
                }
            }
        }