Lucene.Net.Util.LuceneTestCase.AssertDocValuesEquals C# (CSharp) Method

        public void AssertDocValuesEquals(string info, IndexReader leftReader, IndexReader rightReader)
        {
            ISet<string> leftFields = GetDVFields(leftReader);
            ISet<string> rightFields = GetDVFields(rightReader);
            Assert.AreEqual(leftFields, rightFields, info);

            foreach (string field in leftFields)
            {
                // TODO: clean this up... very messy
                {
                    NumericDocValues leftValues = MultiDocValues.GetNumericValues(leftReader, field);
                    NumericDocValues rightValues = MultiDocValues.GetNumericValues(rightReader, field);
                    if (leftValues != null && rightValues != null)
                    {
                        AssertDocValuesEquals(info, leftReader.MaxDoc, leftValues, rightValues);
                    }
                    else
                    {
                        Assert.IsNull(leftValues, info);
                        Assert.IsNull(rightValues, info);
                    }
                }

                {
                    BinaryDocValues leftValues = MultiDocValues.GetBinaryValues(leftReader, field);
                    BinaryDocValues rightValues = MultiDocValues.GetBinaryValues(rightReader, field);
                    if (leftValues != null && rightValues != null)
                    {
                        BytesRef scratchLeft = new BytesRef();
                        BytesRef scratchRight = new BytesRef();
                        for (int docID = 0; docID < leftReader.MaxDoc; docID++)
                        {
                            leftValues.Get(docID, scratchLeft);
                            rightValues.Get(docID, scratchRight);
                            Assert.AreEqual(scratchLeft, scratchRight, info);
                        }
                    }
                    else
                    {
                        Assert.IsNull(leftValues, info);
                        Assert.IsNull(rightValues, info);
                    }
                }

                {
                    SortedDocValues leftValues = MultiDocValues.GetSortedValues(leftReader, field);
                    SortedDocValues rightValues = MultiDocValues.GetSortedValues(rightReader, field);
                    if (leftValues != null && rightValues != null)
                    {
                        // numOrds
                        Assert.AreEqual(leftValues.ValueCount, rightValues.ValueCount, info);
                        // ords
                        BytesRef scratchLeft = new BytesRef();
                        BytesRef scratchRight = new BytesRef();
                        for (int i = 0; i < leftValues.ValueCount; i++)
                        {
                            leftValues.LookupOrd(i, scratchLeft);
                            rightValues.LookupOrd(i, scratchRight);
                            Assert.AreEqual(scratchLeft, scratchRight, info);
                        }
                        // bytes
                        for (int docID = 0; docID < leftReader.MaxDoc; docID++)
                        {
                            leftValues.Get(docID, scratchLeft);
                            rightValues.Get(docID, scratchRight);
                            Assert.AreEqual(scratchLeft, scratchRight, info);
                        }
                    }
                    else
                    {
                        Assert.IsNull(leftValues, info);
                        Assert.IsNull(rightValues, info);
                    }
                }

                {
                    SortedSetDocValues leftValues = MultiDocValues.GetSortedSetValues(leftReader, field);
                    SortedSetDocValues rightValues = MultiDocValues.GetSortedSetValues(rightReader, field);
                    if (leftValues != null && rightValues != null)
                    {
                        // numOrds
                        Assert.AreEqual(leftValues.ValueCount, rightValues.ValueCount, info);
                        // ords
                        BytesRef scratchLeft = new BytesRef();
                        BytesRef scratchRight = new BytesRef();
                        for (int i = 0; i < leftValues.ValueCount; i++)
                        {
                            leftValues.LookupOrd(i, scratchLeft);
                            rightValues.LookupOrd(i, scratchRight);
                            Assert.AreEqual(scratchLeft, scratchRight, info);
                        }
                        // ord lists
                        for (int docID = 0; docID < leftReader.MaxDoc; docID++)
                        {
                            leftValues.Document = docID;
                            rightValues.Document = docID;
                            long ord;
                            while ((ord = leftValues.NextOrd()) != SortedSetDocValues.NO_MORE_ORDS)
                            {
                                Assert.AreEqual(ord, rightValues.NextOrd(), info);
                            }
                            Assert.AreEqual(SortedSetDocValues.NO_MORE_ORDS, rightValues.NextOrd(), info);
                        }
                    }
                    else
                    {
                        Assert.IsNull(leftValues, info);
                        Assert.IsNull(rightValues, info);
                    }
                }

                {
                    Bits leftBits = MultiDocValues.GetDocsWithField(leftReader, field);
                    Bits rightBits = MultiDocValues.GetDocsWithField(rightReader, field);
                    if (leftBits != null && rightBits != null)
                    {
                        Assert.AreEqual(leftBits.Length(), rightBits.Length(), info);
                        for (int i = 0; i < leftBits.Length(); i++)
                        {
                            Assert.AreEqual(leftBits.Get(i), rightBits.Get(i), info);
                        }
                    }
                    else
                    {
                        Assert.IsNull(leftBits, info);
                        Assert.IsNull(rightBits, info);
                    }
                }
            }
        }