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Java example source code file (ByteToMessageDecoderTest.java)
The ByteToMessageDecoderTest.java Java example source code/* * Copyright 2013 The Netty Project * * The Netty Project 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 io.netty.handler.codec; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelInboundHandlerAdapter; import io.netty.channel.embedded.EmbeddedChannel; import io.netty.util.ReferenceCountUtil; import io.netty.util.internal.ThreadLocalRandom; import org.junit.Test; import java.util.List; import java.util.concurrent.BlockingQueue; import java.util.concurrent.LinkedBlockingDeque; import static org.junit.Assert.*; public class ByteToMessageDecoderTest { @Test public void testRemoveItself() { EmbeddedChannel channel = new EmbeddedChannel(new ByteToMessageDecoder() { private boolean removed; @Override protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception { assertFalse(removed); in.readByte(); ctx.pipeline().remove(this); removed = true; } }); ByteBuf buf = Unpooled.wrappedBuffer(new byte[] {'a', 'b', 'c'}); channel.writeInbound(buf.copy()); ByteBuf b = channel.readInbound(); assertEquals(b, buf.skipBytes(1)); b.release(); buf.release(); } @Test public void testRemoveItselfWriteBuffer() { final ByteBuf buf = Unpooled.buffer().writeBytes(new byte[] {'a', 'b', 'c'}); EmbeddedChannel channel = new EmbeddedChannel(new ByteToMessageDecoder() { private boolean removed; @Override protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception { assertFalse(removed); in.readByte(); ctx.pipeline().remove(this); // This should not let it keep call decode buf.writeByte('d'); removed = true; } }); channel.writeInbound(buf.copy()); ByteBuf expected = Unpooled.wrappedBuffer(new byte[] {'b', 'c'}); ByteBuf b = channel.readInbound(); assertEquals(expected, b); expected.release(); buf.release(); b.release(); } /** * Verifies that internal buffer of the ByteToMessageDecoder is released once decoder is removed from pipeline. In * this case input is read fully. */ @Test public void testInternalBufferClearReadAll() { final ByteBuf buf = ReferenceCountUtil.releaseLater(Unpooled.buffer().writeBytes(new byte[] {'a'})); EmbeddedChannel channel = new EmbeddedChannel(new ByteToMessageDecoder() { @Override protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception { ByteBuf byteBuf = internalBuffer(); assertEquals(1, byteBuf.refCnt()); in.readByte(); // Removal from pipeline should clear internal buffer ctx.pipeline().remove(this); assertEquals(0, byteBuf.refCnt()); } }); assertFalse(channel.writeInbound(buf)); assertFalse(channel.finish()); } /** * Verifies that internal buffer of the ByteToMessageDecoder is released once decoder is removed from pipeline. In * this case input was not fully read. */ @Test public void testInternalBufferClearReadPartly() { final ByteBuf buf = ReferenceCountUtil.releaseLater(Unpooled.buffer().writeBytes(new byte[] {'a', 'b'})); EmbeddedChannel channel = new EmbeddedChannel(new ByteToMessageDecoder() { @Override protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception { ByteBuf byteBuf = internalBuffer(); assertEquals(1, byteBuf.refCnt()); in.readByte(); // Removal from pipeline should clear internal buffer ctx.pipeline().remove(this); assertEquals(0, byteBuf.refCnt()); } }); assertTrue(channel.writeInbound(buf)); assertTrue(channel.finish()); ByteBuf expected = Unpooled.wrappedBuffer(new byte[] {'b'}); ByteBuf b = channel.readInbound(); assertEquals(expected, b); assertNull(channel.readInbound()); expected.release(); b.release(); } @Test public void testFireChannelReadCompleteOnInactive() throws InterruptedException { final BlockingQueue<Integer> queue = new LinkedBlockingDeque Other Java examples (source code examples)Here is a short list of links related to this Java ByteToMessageDecoderTest.java source code file: |
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