| /* |
| * 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.bookkeeper.client.impl; |
| |
| import static com.google.common.base.Charsets.UTF_8; |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.Unpooled; |
| import java.nio.ByteBuffer; |
| import org.junit.After; |
| import org.junit.Test; |
| |
| /** |
| * Unit test for {@link LedgerEntryImpl}. |
| */ |
| public class LedgerEntryImplTest { |
| |
| private final long ledgerId; |
| private final long entryId; |
| private final long length; |
| private final byte[] dataBytes; |
| private final ByteBuf dataBuf; |
| private final LedgerEntryImpl entryImpl; |
| |
| public LedgerEntryImplTest() { |
| this.ledgerId = 1234L; |
| this.entryId = 3579L; |
| this.length = 200L; |
| this.dataBytes = "test-ledger-entry-impl".getBytes(UTF_8); |
| this.dataBuf = Unpooled.wrappedBuffer(dataBytes); |
| this.entryImpl = LedgerEntryImpl.create( |
| ledgerId, |
| entryId, |
| length, |
| dataBuf); |
| } |
| |
| @After |
| public void teardown() { |
| this.entryImpl.close(); |
| assertEquals(0, dataBuf.refCnt()); |
| } |
| |
| @Test |
| public void testGetters() { |
| assertEquals(ledgerId, entryImpl.getLedgerId()); |
| assertEquals(entryId, entryImpl.getEntryId()); |
| assertEquals(length, entryImpl.getLength()); |
| assertArrayEquals(dataBytes, entryImpl.getEntryBytes()); |
| // getEntry should not modify readerIndex |
| assertEquals(0, entryImpl.getEntryBuffer().readerIndex()); |
| assertEquals(dataBytes.length, entryImpl.getEntryBuffer().readableBytes()); |
| // getEntryNioBuffer should not modify readerIndex |
| ByteBuffer nioBuffer = entryImpl.getEntryNioBuffer(); |
| assertEquals(dataBytes.length, nioBuffer.remaining()); |
| byte[] readBytes = new byte[nioBuffer.remaining()]; |
| nioBuffer.get(readBytes); |
| assertArrayEquals(dataBytes, readBytes); |
| assertEquals(0, entryImpl.getEntryBuffer().readerIndex()); |
| assertEquals(dataBytes.length, entryImpl.getEntryBuffer().readableBytes()); |
| } |
| |
| @Test |
| public void testSetters() { |
| assertEquals(ledgerId, entryImpl.getLedgerId()); |
| assertEquals(entryId, entryImpl.getEntryId()); |
| assertEquals(length, entryImpl.getLength()); |
| |
| entryImpl.setLength(length * 2); |
| assertEquals(length * 2, entryImpl.getLength()); |
| |
| entryImpl.setEntryId(entryId * 2); |
| assertEquals(entryId * 2, entryImpl.getEntryId()); |
| |
| byte[] anotherBytes = "another-ledger-entry-impl".getBytes(UTF_8); |
| ByteBuf anotherBuf = Unpooled.wrappedBuffer(anotherBytes); |
| |
| entryImpl.setEntryBuf(anotherBuf); |
| // set buf should release the original buf |
| assertEquals(0, dataBuf.refCnt()); |
| } |
| |
| @Test |
| public void testDuplicate() { |
| LedgerEntryImpl duplicatedEntry = LedgerEntryImpl.duplicate(entryImpl); |
| |
| // the underneath buffer should have 2 entries referencing it |
| assertEquals(2, dataBuf.refCnt()); |
| |
| assertEquals(ledgerId, duplicatedEntry.getLedgerId()); |
| assertEquals(entryId, duplicatedEntry.getEntryId()); |
| assertEquals(length, duplicatedEntry.getLength()); |
| assertArrayEquals(dataBytes, duplicatedEntry.getEntryBytes()); |
| |
| duplicatedEntry.close(); |
| assertEquals(1, dataBuf.refCnt()); |
| } |
| |
| } |