ReplayingDecoderTest.java — netty Source File

Source Code

/*
 * Copyright 2012 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:
 *
 *   https://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.channel.socket.ChannelInputShutdownEvent;
import org.junit.jupiter.api.Test;

import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.atomic.AtomicReference;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

public class ReplayingDecoderTest {

    @Test
    public void testLineProtocol() {
        EmbeddedChannel ch = new EmbeddedChannel(new LineDecoder());

        // Ordinary input
        ch.writeInbound(Unpooled.wrappedBuffer(new byte[] { 'A' }));
        assertNull(ch.readInbound());
        ch.writeInbound(Unpooled.wrappedBuffer(new byte[] { 'B' }));
        assertNull(ch.readInbound());
        ch.writeInbound(Unpooled.wrappedBuffer(new byte[] { 'C' }));
        assertNull(ch.readInbound());
        ch.writeInbound(Unpooled.wrappedBuffer(new byte[] { '\n' }));

        ByteBuf buf = Unpooled.wrappedBuffer(new byte[] { 'A', 'B', 'C' });
        ByteBuf buf2 = ch.readInbound();
        assertEquals(buf, buf2);

        buf.release();
        buf2.release();

        // Truncated input
        ch.writeInbound(Unpooled.wrappedBuffer(new byte[] { 'A' }));
// ... (260 more lines)