| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * 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 com.baidu.hugegraph.computer.core.network.buffer; |
| |
| import java.nio.ByteBuffer; |
| |
| import org.junit.Test; |
| |
| import com.baidu.hugegraph.computer.core.util.StringEncoding; |
| import com.baidu.hugegraph.testutil.Assert; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.Unpooled; |
| |
| public class NetworkBufferTest { |
| |
| @Test |
| public void testRetain() { |
| ByteBuffer byteBuffer = ByteBuffer.allocate(10); |
| NetworkBuffer nioNetworkBuffer = new NioBuffer(byteBuffer); |
| nioNetworkBuffer.retain(); |
| nioNetworkBuffer.release(); |
| Assert.assertSame(nioNetworkBuffer.nioByteBuffer().array(), |
| byteBuffer.array()); |
| nioNetworkBuffer.release(); |
| |
| ByteBuf byteBuf = Unpooled.buffer(10); |
| int cnt = byteBuf.refCnt(); |
| NetworkBuffer nettyNetworkBuffer = new NettyBuffer(byteBuf); |
| nettyNetworkBuffer.retain(); |
| Assert.assertSame(cnt + 1, byteBuf.refCnt()); |
| Assert.assertSame(cnt + 1, nettyNetworkBuffer.referenceCount()); |
| ByteBuf buf = nettyNetworkBuffer.nettyByteBuf(); |
| nettyNetworkBuffer.retain(); |
| Assert.assertSame(cnt + 2, buf.refCnt()); |
| Assert.assertSame(cnt + 2, nettyNetworkBuffer.referenceCount()); |
| nettyNetworkBuffer.release(); |
| nettyNetworkBuffer.release(); |
| nettyNetworkBuffer.release(); |
| } |
| |
| @Test |
| public void testRelease() { |
| ByteBuffer byteBuffer = ByteBuffer.allocate(10); |
| NetworkBuffer nioNetworkBuffer = new NioBuffer(byteBuffer); |
| Assert.assertSame(nioNetworkBuffer.nioByteBuffer().array(), |
| byteBuffer.array()); |
| nioNetworkBuffer.release(); |
| |
| ByteBuf byteBuf = Unpooled.buffer(10); |
| int cnt = byteBuf.refCnt(); |
| NetworkBuffer nettyNetworkBuffer = new NettyBuffer(byteBuf); |
| nettyNetworkBuffer.release(); |
| Assert.assertSame(cnt - 1, nettyNetworkBuffer.referenceCount()); |
| } |
| |
| @Test |
| public void testNioByteBuffer() { |
| ByteBuffer byteBuffer = ByteBuffer.allocate(10); |
| NetworkBuffer nioNetworkBuffer = new NioBuffer(byteBuffer); |
| Assert.assertSame(nioNetworkBuffer.nioByteBuffer().array(), |
| byteBuffer.array()); |
| nioNetworkBuffer.release(); |
| |
| ByteBuf byteBuf = Unpooled.buffer(10); |
| NetworkBuffer nettyNetworkBuffer = new NettyBuffer(byteBuf); |
| ByteBuffer buffer = nettyNetworkBuffer.nioByteBuffer(); |
| Assert.assertSame(buffer.array(), byteBuf.array()); |
| } |
| |
| @Test |
| public void testNettyByteBuffer() { |
| ByteBuffer byteBuffer = ByteBuffer.allocate(10); |
| NetworkBuffer nioNetworkBuffer = new NioBuffer(byteBuffer); |
| Assert.assertSame(nioNetworkBuffer.nettyByteBuf().array(), |
| byteBuffer.array()); |
| nioNetworkBuffer.release(); |
| Assert.assertEquals(0, nioNetworkBuffer.referenceCount()); |
| |
| ByteBuf byteBuf = Unpooled.buffer(10); |
| NetworkBuffer nettyNetworkBuffer = new NettyBuffer(byteBuf); |
| ByteBuf buf = nettyNetworkBuffer.nettyByteBuf(); |
| Assert.assertSame(buf.array(), byteBuf.array()); |
| } |
| |
| @Test |
| public void testCopyToByteArray() { |
| String testData = "test data"; |
| byte[] bytesSource = StringEncoding.encode(testData); |
| |
| ByteBuffer byteBuffer = ByteBuffer.allocateDirect(bytesSource.length); |
| byteBuffer = byteBuffer.put(bytesSource); |
| byteBuffer.flip(); |
| NioBuffer nioManagedBuffer = new NioBuffer(byteBuffer); |
| byte[] bytes = nioManagedBuffer.copyToByteArray(); |
| Assert.assertArrayEquals(bytesSource, bytes); |
| Assert.assertNotSame(bytesSource, bytes); |
| |
| ByteBuffer byteBuffer2 = ByteBuffer.allocate(bytesSource.length); |
| byteBuffer2 = byteBuffer2.put(bytesSource); |
| byteBuffer2.flip(); |
| |
| int position = byteBuffer2.position(); |
| int remaining = byteBuffer2.remaining(); |
| NioBuffer nioManagedBuffer2 = new NioBuffer(byteBuffer2); |
| byte[] bytes2 = nioManagedBuffer2.copyToByteArray(); |
| Assert.assertArrayEquals(bytesSource, bytes2); |
| Assert.assertNotSame(bytesSource, bytes2); |
| Assert.assertEquals(position, byteBuffer2.position()); |
| Assert.assertEquals(remaining, byteBuffer2.remaining()); |
| |
| ByteBuf buf3 = Unpooled.directBuffer(bytesSource.length); |
| try { |
| buf3 = buf3.writeBytes(bytesSource); |
| int readerIndex = buf3.readerIndex(); |
| int readableBytes = buf3.readableBytes(); |
| NettyBuffer nettyManagedBuffer3 = |
| new NettyBuffer(buf3); |
| byte[] bytes3 = nettyManagedBuffer3.copyToByteArray(); |
| Assert.assertArrayEquals(bytesSource, bytes3); |
| Assert.assertNotSame(bytesSource, bytes3); |
| Assert.assertEquals(readerIndex, buf3.readerIndex()); |
| Assert.assertEquals(readableBytes, buf3.readableBytes()); |
| } finally { |
| buf3.release(); |
| } |
| |
| ByteBuf buf4 = Unpooled.buffer(bytesSource.length); |
| try { |
| buf4 = buf4.writeBytes(bytesSource); |
| NettyBuffer nettyManagedBuffer4 = |
| new NettyBuffer(buf4); |
| byte[] bytes4 = nettyManagedBuffer4.copyToByteArray(); |
| Assert.assertArrayEquals(bytesSource, bytes4); |
| Assert.assertNotSame(bytesSource, bytes4); |
| } finally { |
| buf4.release(); |
| } |
| } |
| } |