| /* |
| * 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. |
| */ |
| package org.apache.lucene.util; |
| |
| |
| import java.util.Random; |
| |
| import org.apache.lucene.store.BaseDirectoryWrapper; |
| import org.apache.lucene.store.IOContext; |
| import org.apache.lucene.store.IndexInput; |
| import org.apache.lucene.store.IndexOutput; |
| import org.apache.lucene.store.MockDirectoryWrapper; |
| import org.apache.lucene.util.LuceneTestCase.Monster; |
| |
| @Monster("You must increase heap to > 2 G to run this") |
| public class Test2BPagedBytes extends LuceneTestCase { |
| |
| public void test() throws Exception { |
| BaseDirectoryWrapper dir = newFSDirectory(createTempDir("test2BPagedBytes")); |
| if (dir instanceof MockDirectoryWrapper) { |
| ((MockDirectoryWrapper)dir).setThrottling(MockDirectoryWrapper.Throttling.NEVER); |
| } |
| PagedBytes pb = new PagedBytes(15); |
| IndexOutput dataOutput = dir.createOutput("foo", IOContext.DEFAULT); |
| long netBytes = 0; |
| long seed = random().nextLong(); |
| long lastFP = 0; |
| Random r2 = new Random(seed); |
| while(netBytes < 1.1*Integer.MAX_VALUE) { |
| int numBytes = TestUtil.nextInt(r2, 1, 32768); |
| byte[] bytes = new byte[numBytes]; |
| r2.nextBytes(bytes); |
| dataOutput.writeBytes(bytes, bytes.length); |
| long fp = dataOutput.getFilePointer(); |
| assert fp == lastFP + numBytes; |
| lastFP = fp; |
| netBytes += numBytes; |
| } |
| dataOutput.close(); |
| IndexInput input = dir.openInput("foo", IOContext.DEFAULT); |
| pb.copy(input, input.length()); |
| input.close(); |
| PagedBytes.Reader reader = pb.freeze(true); |
| |
| r2 = new Random(seed); |
| netBytes = 0; |
| while(netBytes < 1.1*Integer.MAX_VALUE) { |
| int numBytes = TestUtil.nextInt(r2, 1, 32768); |
| byte[] bytes = new byte[numBytes]; |
| r2.nextBytes(bytes); |
| BytesRef expected = new BytesRef(bytes); |
| |
| BytesRef actual = new BytesRef(); |
| reader.fillSlice(actual, netBytes, numBytes); |
| assertEquals(expected, actual); |
| |
| netBytes += numBytes; |
| } |
| dir.close(); |
| } |
| } |