| 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 com.carrotsearch.junitbenchmarks.AbstractBenchmark; |
| import com.google.common.collect.Maps; |
| import org.apache.directmemory.measures.Ram; |
| import org.apache.directmemory.memory.MemoryManager; |
| import org.apache.directmemory.memory.Pointer; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Map; |
| import java.util.Random; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| public class MemoryManagerTest |
| extends AbstractBenchmark |
| { |
| |
| |
| @BeforeClass |
| public static void init() |
| { |
| logger.info( "init" ); |
| MemoryManager.init( 1, Ram.Mb( 100 ) ); |
| } |
| |
| @Test |
| public void smokeTest() |
| { |
| Random rnd = new Random(); |
| int size = rnd.nextInt( 10 ) * (int) MemoryManager.capacity() / 100; |
| logger.info( "payload size=" + Ram.inKb( size ) ); |
| Pointer<Object> p = MemoryManager.store( new byte[size] ); |
| logger.info( "stored" ); |
| assertNotNull( p ); |
| //assertEquals(size,p.end); |
| assertEquals( size, p.getCapacity() ); |
| assertEquals( size, MemoryManager.getMemoryManager().used() ); |
| MemoryManager.free( p ); |
| assertEquals( 0, MemoryManager.getMemoryManager().used() ); |
| logger.info( "end" ); |
| } |
| |
| byte[] payload = "012345678901234567890123456789012345678901234567890123456789".getBytes(); |
| |
| @Test |
| public void fillupTest() |
| { |
| MemoryManager.clear(); |
| logger.info( "payload size=" + Ram.inKb( payload.length ) ); |
| long howMany = ( MemoryManager.capacity() / payload.length ); |
| howMany = ( howMany * 90 ) / 100; |
| |
| for ( int i = 0; i < howMany; i++ ) |
| { |
| Pointer<Object> p = MemoryManager.store( payload ); |
| assertNotNull( p ); |
| } |
| |
| logger.info( "" + howMany + " items stored" ); |
| } |
| |
| |
| @Test |
| public void readTest() |
| { |
| for ( Pointer<Object> ptr : ((MemoryManagerServiceImpl<Object>)MemoryManager.getMemoryManager()).getPointers() ) |
| { |
| if ( !ptr.isFree() ) |
| { |
| byte[] res = MemoryManager.retrieve( ptr ); |
| assertNotNull( res ); |
| assertEquals( new String( payload ), new String( res ) ); |
| } |
| } |
| } |
| |
| |
| private static Logger logger = LoggerFactory.getLogger( MallocTest.class ); |
| |
| final static Map<String, Byte> test = Maps.newHashMap(); |
| |
| } |