| using NUnit.Framework; |
| using System; |
| using Assert = Lucene.Net.TestFramework.Assert; |
| using Console = Lucene.Net.Util.SystemConsole; |
| |
| namespace Lucene.Net.Index |
| { |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| using ByteBlockPool = Lucene.Net.Util.ByteBlockPool; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| using RecyclingByteBlockAllocator = Lucene.Net.Util.RecyclingByteBlockAllocator; |
| |
| [TestFixture] |
| public class TestByteSlices : LuceneTestCase |
| { |
| [Test] |
| public virtual void TestBasic() |
| { |
| // LUCENENET specific: NUnit will crash with an OOM if we do the full test |
| // with verbosity enabled. So, making this a manual setting that can be |
| // turned on if, and only if, needed for debugging. If the setting is turned |
| // on, we are decresing the number of iterations by 1/3, which seems to |
| // keep it from crashing. |
| bool isVerbose = false; |
| if (!isVerbose) |
| { |
| Console.WriteLine("Verbosity disabled to keep NUnit from running out of memory - enable manually"); |
| } |
| |
| ByteBlockPool pool = new ByteBlockPool(new RecyclingByteBlockAllocator(ByteBlockPool.BYTE_BLOCK_SIZE, Random.Next(100))); |
| |
| int NUM_STREAM = AtLeast(100); |
| |
| ByteSliceWriter writer = new ByteSliceWriter(pool); |
| |
| int[] starts = new int[NUM_STREAM]; |
| int[] uptos = new int[NUM_STREAM]; |
| int[] counters = new int[NUM_STREAM]; |
| |
| ByteSliceReader reader = new ByteSliceReader(); |
| |
| for (int ti = 0; ti < 100; ti++) |
| { |
| for (int stream = 0; stream < NUM_STREAM; stream++) |
| { |
| starts[stream] = -1; |
| counters[stream] = 0; |
| } |
| |
| // LUCENENET NOTE: Since upgrading to NUnit 3, this test |
| // will crash if VERBOSE is true because of an OutOfMemoryException. |
| // This not only keeps this test from finishing, it crashes NUnit |
| // and no other tests will run. |
| // So, we need to allocate a smaller size to ensure this |
| // doesn't happen with verbosity enabled. |
| int num = isVerbose ? AtLeast(2000) : AtLeast(3000); |
| for (int iter = 0; iter < num; iter++) |
| { |
| int stream; |
| if (Random.NextBoolean()) |
| { |
| stream = Random.Next(3); |
| } |
| else |
| { |
| stream = Random.Next(NUM_STREAM); |
| } |
| |
| if (isVerbose) |
| { |
| Console.WriteLine("write stream=" + stream); |
| } |
| |
| if (starts[stream] == -1) |
| { |
| int spot = pool.NewSlice(ByteBlockPool.FIRST_LEVEL_SIZE); |
| starts[stream] = uptos[stream] = spot + pool.ByteOffset; |
| if (isVerbose) |
| { |
| Console.WriteLine(" init to " + starts[stream]); |
| } |
| } |
| |
| writer.Init(uptos[stream]); |
| int numValue; |
| if (Random.Next(10) == 3) |
| { |
| numValue = Random.Next(100); |
| } |
| else if (Random.Next(5) == 3) |
| { |
| numValue = Random.Next(3); |
| } |
| else |
| { |
| numValue = Random.Next(20); |
| } |
| |
| for (int j = 0; j < numValue; j++) |
| { |
| if (isVerbose) |
| { |
| Console.WriteLine(" write " + (counters[stream] + j)); |
| } |
| // write some large (incl. negative) ints: |
| writer.WriteVInt32(Random.Next()); |
| writer.WriteVInt32(counters[stream] + j); |
| } |
| counters[stream] += numValue; |
| uptos[stream] = writer.Address; |
| if (isVerbose) |
| { |
| Console.WriteLine(" addr now " + uptos[stream]); |
| } |
| } |
| |
| for (int stream = 0; stream < NUM_STREAM; stream++) |
| { |
| if (isVerbose) |
| { |
| Console.WriteLine(" stream=" + stream + " count=" + counters[stream]); |
| } |
| |
| if (starts[stream] != -1 && starts[stream] != uptos[stream]) |
| { |
| reader.Init(pool, starts[stream], uptos[stream]); |
| for (int j = 0; j < counters[stream]; j++) |
| { |
| reader.ReadVInt32(); |
| Assert.AreEqual(j, reader.ReadVInt32()); |
| } |
| } |
| } |
| |
| pool.Reset(); |
| } |
| } |
| } |
| } |