| package org.apache.directmemory.memory; |
| |
| /* |
| * 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. |
| */ |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.Random; |
| import java.util.zip.CRC32; |
| import java.util.zip.Checksum; |
| |
| import org.apache.directmemory.measures.Ram; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.carrotsearch.junitbenchmarks.AbstractBenchmark; |
| import com.google.common.collect.Maps; |
| |
| public class BaseUnsafeTest |
| extends AbstractBenchmark |
| { |
| |
| MemoryManagerService<Object> mem; |
| |
| @Before |
| public void initMMS() |
| { |
| mem = new UnsafeMemoryManagerServiceImpl<Object>(); |
| mem.init( 1, 1 * 1024 * 1024 ); |
| } |
| |
| @After |
| public void cleanup() |
| throws IOException |
| { |
| if ( mem != null ) |
| { |
| mem.close(); |
| } |
| } |
| |
| @Test |
| public void smokeTest() |
| { |
| logger.info( "buffer size=" + mem.capacity() ); |
| assertNotNull( mem ); |
| |
| Random rnd = new Random(); |
| |
| int size = rnd.nextInt( 10 ) * (int) mem.capacity() / 100; |
| |
| logger.info( "size=" + size ); |
| |
| Pointer<Object> p = mem.store( new byte[size] ); |
| assertNotNull( p ); |
| assertEquals( size, mem.used() ); |
| assertEquals( size, p.getSize() ); |
| mem.free( p ); |
| assertEquals( 0, mem.used() ); |
| } |
| |
| private static Logger logger = LoggerFactory.getLogger( MallocTest.class ); |
| |
| final static Map<String, Byte> test = Maps.newHashMap(); |
| |
| private static int errors; |
| |
| public long crc( String str ) |
| { |
| final Checksum checksum = new CRC32(); |
| |
| final byte bytes[] = str.getBytes(); |
| checksum.update( bytes, 0, bytes.length ); |
| return checksum.getValue(); |
| } |
| |
| @BeforeClass |
| @AfterClass |
| public static void setup() |
| { |
| // logger.info("off-heap allocated: " + Ram.inMb(mem.capacity())); |
| // logger.info("off-heap used: " + Ram.inMb(mem.used())); |
| logger.info( "test - size: " + test.size() ); |
| logger.info( "test - errors: " + errors ); |
| logger.info( "heap - max: " + Ram.inMb( Runtime.getRuntime().maxMemory() ) ); |
| logger.info( "heap - allocated: " + Ram.inMb( Runtime.getRuntime().totalMemory() ) ); |
| logger.info( "heap - free : " + Ram.inMb( Runtime.getRuntime().freeMemory() ) ); |
| logger.info( "************************************************" ); |
| } |
| |
| @Test |
| public void aFewEntriesWithRead() |
| { |
| // logger.info( "total capacity=" + Ram.inMb( mem.capacity() ) ); |
| assertNotNull( mem ); |
| int howMany = 100000; |
| // logger.info( "payload size is variable" ); |
| // logger.info( "entries=" + howMany ); |
| // String test = "this is a nicely crafted test"; |
| for ( int i = 0; i < howMany; i++ ) |
| { |
| final byte[] payload = ( test + " - " + i ).getBytes(); |
| Pointer<Object> p = mem.store( payload ); |
| final byte[] check = mem.retrieve( p ); |
| assertNotNull( check ); |
| assertEquals( test + " - " + i, new String( check ) ); |
| long crc1 = crc32( payload ); |
| long crc2 = crc32( check ); |
| assertEquals( crc1, crc2 ); |
| } |
| |
| // logger.info( "total used=" + Ram.inMb( mem.used() ) ); |
| } |
| |
| private static long crc32( byte[] payload ) |
| { |
| final Checksum checksum = new CRC32(); |
| checksum.update( payload, 0, payload.length ); |
| return checksum.getValue(); |
| } |
| |
| @Test |
| public void aFewEntriesWithCheck() |
| { |
| // logger.info( "total capacity=" + Ram.inMb( mem.capacity() ) ); |
| assertNotNull( mem ); |
| int howMany = 10; |
| // logger.info( "payload size is variable" ); |
| // logger.info( "entries=" + howMany ); |
| // String test = "this is a nicely crafted test"; |
| // Pointer<Object> lastP = null; |
| for ( int i = 0; i < howMany; i++ ) |
| { |
| byte[] payload = ( test + " - " + i ).getBytes(); |
| Pointer<Object> p = mem.store( payload ); |
| // logger.info( "p.start=" + p.getStart() ); |
| // logger.info( "p.end=" + p.getEnd() ); |
| assertEquals( p.getCapacity(), payload.length ); |
| // lastP = p; |
| // logger.info( "---" ); |
| } |
| |
| // logger.info( "total used=" + Ram.inMb( mem.used() ) ); |
| } |
| } |