Exemple #1
0
        public virtual void Test()
        {
            BaseDirectoryWrapper dir = NewFSDirectory(CreateTempDir("test2BPagedBytes"));

            if (dir is MockDirectoryWrapper)
            {
                ((MockDirectoryWrapper)dir).Throttling = Throttling.NEVER;
            }
            PagedBytes  pb         = new PagedBytes(15);
            IndexOutput dataOutput = dir.CreateOutput("foo", IOContext.DEFAULT);
            long        netBytes   = 0;
            long        seed       = Random.NextInt64();
            long        lastFP     = 0;
            Random      r2         = new J2N.Randomizer(seed);

            while (netBytes < 1.1 * int.MaxValue)
            {
                int    numBytes = TestUtil.NextInt32(r2, 1, 32768);
                byte[] bytes    = new byte[numBytes];
                r2.NextBytes(bytes);
                dataOutput.WriteBytes(bytes, bytes.Length);
                long fp = dataOutput.Position; // LUCENENET specific: Renamed from getFilePointer() to match FileStream
                if (Debugging.AssertsEnabled)
                {
                    Debugging.Assert(fp == lastFP + numBytes);
                }
                lastFP    = fp;
                netBytes += numBytes;
            }
            dataOutput.Dispose();
            IndexInput input = dir.OpenInput("foo", IOContext.DEFAULT);

            pb.Copy(input, input.Length);
            input.Dispose();
            PagedBytes.Reader reader = pb.Freeze(true);

            r2       = new J2N.Randomizer(seed);
            netBytes = 0;
            while (netBytes < 1.1 * int.MaxValue)
            {
                int numBytes = TestUtil.NextInt32(r2, 1, 32768);
                var bytes    = new byte[numBytes];
                r2.NextBytes(bytes);
                BytesRef expected = new BytesRef(bytes);

                BytesRef actual = new BytesRef();
                reader.FillSlice(actual, netBytes, numBytes);
                Assert.AreEqual(expected, actual);

                netBytes += numBytes;
            }
            dir.Dispose();
        }
Exemple #2
0
        public virtual void Test()
        {
            int[]     ints  = new int[7];
            Int32sRef input = new Int32sRef(ints, 0, ints.Length);
            long      seed  = Random.NextInt64();

            Directory dir = new MMapDirectory(CreateTempDir("2BFST"));

            for (int doPackIter = 0; doPackIter < 2; doPackIter++)
            {
                bool doPack = doPackIter == 1;

                // Build FST w/ NoOutputs and stop when nodeCount > 2.2B
                if (!doPack)
                {
                    Console.WriteLine("\nTEST: 3B nodes; doPack=false output=NO_OUTPUTS");
                    Outputs <object> outputs   = NoOutputs.Singleton;
                    object           NO_OUTPUT = outputs.NoOutput;
                    Builder <object> b         = new Builder <object>(FST.INPUT_TYPE.BYTE1, 0, 0, true, true, int.MaxValue, outputs, null, doPack, PackedInt32s.COMPACT, true, 15);

                    int       count  = 0;
                    Random    r      = new J2N.Randomizer(seed);
                    int[]     ints2  = new int[200];
                    Int32sRef input2 = new Int32sRef(ints2, 0, ints2.Length);
                    while (true)
                    {
                        //System.out.println("add: " + input + " -> " + output);
                        for (int i = 10; i < ints2.Length; i++)
                        {
                            ints2[i] = r.Next(256);
                        }
                        b.Add(input2, NO_OUTPUT);
                        count++;
                        if (count % 100000 == 0)
                        {
                            Console.WriteLine(count + ": " + b.GetFstSizeInBytes() + " bytes; " + b.TotStateCount + " nodes");
                        }
                        if (b.TotStateCount > int.MaxValue + 100L * 1024 * 1024)
                        {
                            break;
                        }
                        NextInput(r, ints2);
                    }

                    FST <object> fst = b.Finish();

                    for (int verify = 0; verify < 2; verify++)
                    {
                        Console.WriteLine("\nTEST: now verify [fst size=" + fst.GetSizeInBytes() + "; nodeCount=" + fst.NodeCount + "; arcCount=" + fst.ArcCount + "]");

                        Arrays.Fill(ints2, 0);
                        r = new J2N.Randomizer(seed);

                        for (int i = 0; i < count; i++)
                        {
                            if (i % 1000000 == 0)
                            {
                                Console.WriteLine(i + "...: ");
                            }
                            for (int j = 10; j < ints2.Length; j++)
                            {
                                ints2[j] = r.Next(256);
                            }
                            Assert.AreEqual(NO_OUTPUT, Util.Get(fst, input2));
                            NextInput(r, ints2);
                        }

                        Console.WriteLine("\nTEST: enum all input/outputs");
                        Int32sRefFSTEnum <object> fstEnum = new Int32sRefFSTEnum <object>(fst);

                        Arrays.Fill(ints2, 0);
                        r = new J2N.Randomizer(seed);
                        int upto = 0;
                        while (fstEnum.MoveNext())
                        {
                            Int32sRefFSTEnum.InputOutput <object> pair = fstEnum.Current;
                            for (int j = 10; j < ints2.Length; j++)
                            {
                                ints2[j] = r.Next(256);
                            }
                            Assert.AreEqual(input2, pair.Input);
                            Assert.AreEqual(NO_OUTPUT, pair.Output);
                            upto++;
                            NextInput(r, ints2);
                        }
                        Assert.AreEqual(count, upto);

                        if (verify == 0)
                        {
                            Console.WriteLine("\nTEST: save/load FST and re-verify");
                            IndexOutput @out = dir.CreateOutput("fst", IOContext.DEFAULT);
                            fst.Save(@out);
                            @out.Dispose();
                            IndexInput @in = dir.OpenInput("fst", IOContext.DEFAULT);
                            fst = new FST <object>(@in, outputs);
                            @in.Dispose();
                        }
                        else
                        {
                            dir.DeleteFile("fst");
                        }
                    }
                }

                // Build FST w/ ByteSequenceOutputs and stop when FST
                // size = 3GB
                {
                    Console.WriteLine("\nTEST: 3 GB size; doPack=" + doPack + " outputs=bytes");
                    Outputs <BytesRef> outputs = ByteSequenceOutputs.Singleton;
                    Builder <BytesRef> b       = new Builder <BytesRef>(FST.INPUT_TYPE.BYTE1, 0, 0, true, true, int.MaxValue, outputs, null, doPack, PackedInt32s.COMPACT, true, 15);

                    var      outputBytes = new byte[20];
                    BytesRef output      = new BytesRef(outputBytes);
                    Arrays.Fill(ints, 0);
                    int    count = 0;
                    Random r     = new J2N.Randomizer(seed);
                    while (true)
                    {
                        r.NextBytes(outputBytes);
                        //System.out.println("add: " + input + " -> " + output);
                        b.Add(input, BytesRef.DeepCopyOf(output));
                        count++;
                        if (count % 1000000 == 0)
                        {
                            Console.WriteLine(count + "...: " + b.GetFstSizeInBytes() + " bytes");
                        }
                        if (b.GetFstSizeInBytes() > LIMIT)
                        {
                            break;
                        }
                        NextInput(r, ints);
                    }

                    FST <BytesRef> fst = b.Finish();
                    for (int verify = 0; verify < 2; verify++)
                    {
                        Console.WriteLine("\nTEST: now verify [fst size=" + fst.GetSizeInBytes() + "; nodeCount=" + fst.NodeCount + "; arcCount=" + fst.ArcCount + "]");

                        r = new J2N.Randomizer(seed);
                        Arrays.Fill(ints, 0);

                        for (int i = 0; i < count; i++)
                        {
                            if (i % 1000000 == 0)
                            {
                                Console.WriteLine(i + "...: ");
                            }
                            r.NextBytes(outputBytes);
                            Assert.AreEqual(output, Util.Get(fst, input));
                            NextInput(r, ints);
                        }

                        Console.WriteLine("\nTEST: enum all input/outputs");
                        Int32sRefFSTEnum <BytesRef> fstEnum = new Int32sRefFSTEnum <BytesRef>(fst);

                        Arrays.Fill(ints, 0);
                        r = new J2N.Randomizer(seed);
                        int upto = 0;
                        while (fstEnum.MoveNext())
                        {
                            Int32sRefFSTEnum.InputOutput <BytesRef> pair = fstEnum.Current;
                            Assert.AreEqual(input, pair.Input);
                            r.NextBytes(outputBytes);
                            Assert.AreEqual(output, pair.Output);
                            upto++;
                            NextInput(r, ints);
                        }
                        Assert.AreEqual(count, upto);

                        if (verify == 0)
                        {
                            Console.WriteLine("\nTEST: save/load FST and re-verify");
                            IndexOutput @out = dir.CreateOutput("fst", IOContext.DEFAULT);
                            fst.Save(@out);
                            @out.Dispose();
                            IndexInput @in = dir.OpenInput("fst", IOContext.DEFAULT);
                            fst = new FST <BytesRef>(@in, outputs);
                            @in.Dispose();
                        }
                        else
                        {
                            dir.DeleteFile("fst");
                        }
                    }
                }

                // Build FST w/ PositiveIntOutputs and stop when FST
                // size = 3GB
                {
                    Console.WriteLine("\nTEST: 3 GB size; doPack=" + doPack + " outputs=long");
                    Outputs <Int64> outputs = PositiveInt32Outputs.Singleton;
                    Builder <Int64> b       = new Builder <Int64>(FST.INPUT_TYPE.BYTE1, 0, 0, true, true, int.MaxValue, outputs, null, doPack, PackedInt32s.COMPACT, true, 15);

                    long output = 1;

                    Arrays.Fill(ints, 0);
                    int    count = 0;
                    Random r     = new J2N.Randomizer(seed);
                    while (true)
                    {
                        //System.out.println("add: " + input + " -> " + output);
                        b.Add(input, output);
                        output += 1 + r.Next(10);
                        count++;
                        if (count % 1000000 == 0)
                        {
                            Console.WriteLine(count + "...: " + b.GetFstSizeInBytes() + " bytes");
                        }
                        if (b.GetFstSizeInBytes() > LIMIT)
                        {
                            break;
                        }
                        NextInput(r, ints);
                    }

                    FST <Int64> fst = b.Finish();

                    for (int verify = 0; verify < 2; verify++)
                    {
                        Console.WriteLine("\nTEST: now verify [fst size=" + fst.GetSizeInBytes() + "; nodeCount=" + fst.NodeCount + "; arcCount=" + fst.ArcCount + "]");

                        Arrays.Fill(ints, 0);

                        output = 1;
                        r      = new J2N.Randomizer(seed);
                        for (int i = 0; i < count; i++)
                        {
                            if (i % 1000000 == 0)
                            {
                                Console.WriteLine(i + "...: ");
                            }

                            // forward lookup:
                            Assert.AreEqual(output, (long)Util.Get(fst, input));
                            // reverse lookup:
                            Assert.AreEqual(input, Util.GetByOutput(fst, output));
                            output += 1 + r.Next(10);
                            NextInput(r, ints);
                        }

                        Console.WriteLine("\nTEST: enum all input/outputs");
                        Int32sRefFSTEnum <Int64> fstEnum = new Int32sRefFSTEnum <Int64>(fst);

                        Arrays.Fill(ints, 0);
                        r = new J2N.Randomizer(seed);
                        int upto = 0;
                        output = 1;
                        while (fstEnum.MoveNext())
                        {
                            Int32sRefFSTEnum.InputOutput <J2N.Numerics.Int64> pair = fstEnum.Current;
                            Assert.AreEqual(input, pair.Input);
                            Assert.AreEqual(output, pair.Output);
                            output += 1 + r.Next(10);
                            upto++;
                            NextInput(r, ints);
                        }
                        Assert.AreEqual(count, upto);

                        if (verify == 0)
                        {
                            Console.WriteLine("\nTEST: save/load FST and re-verify");
                            IndexOutput @out = dir.CreateOutput("fst", IOContext.DEFAULT);
                            fst.Save(@out);
                            @out.Dispose();
                            IndexInput @in = dir.OpenInput("fst", IOContext.DEFAULT);
                            fst = new FST <Int64>(@in, outputs);
                            @in.Dispose();
                        }
                        else
                        {
                            dir.DeleteFile("fst");
                        }
                    }
                }
            }
            dir.Dispose();
        }