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/*
 * 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.netty5.testsuite.transport.socket;

import io.netty5.bootstrap.Bootstrap;
import io.netty5.bootstrap.ServerBootstrap;
import io.netty5.buffer.api.Buffer;
import io.netty5.channel.Channel;
import io.netty5.channel.ChannelHandlerContext;
import io.netty5.channel.SimpleChannelInboundHandler;
import io.netty5.util.concurrent.DefaultEventExecutorGroup;
import io.netty5.util.concurrent.DefaultThreadFactory;
import io.netty5.util.concurrent.EventExecutor;
import io.netty5.util.concurrent.Promise;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;

import java.util.Random;
import java.util.concurrent.CountDownLatch;

import static org.junit.jupiter.api.Assertions.assertFalse;

public class SocketBufReleaseTest extends AbstractSocketTest {

    private static final EventExecutor executor =
            new DefaultEventExecutorGroup(1, new DefaultThreadFactory(SocketBufReleaseTest.class, true)).next();

    @Test
    public void testBufferRelease(TestInfo testInfo) throws Throwable {
        run(testInfo, this::testBufferRelease);
    }

    public void testBufferRelease(ServerBootstrap sb, Bootstrap cb) throws Throwable {
        testRelease(sb, cb);
    }

    public void testRelease(ServerBootstrap sb, Bootstrap cb) throws Throwable {
        final WriteHandler serverHandler = new BufferWriterHandler();
        final WriteHandler clientHandler = new BufferWriterHandler();

        sb.childHandler(serverHandler);
        cb.handler(clientHandler);

        Channel sc = sb.bind().asStage().get();
        Channel cc = cb.connect(sc.localAddress()).asStage().get();

        // Ensure the server socket accepted the client connection *and* initialized pipeline successfully.
        serverHandler.awaitPipelineInit();

        // and then close all sockets.
        sc.close().asStage().sync();
        cc.close().asStage().sync();

        serverHandler.check();
        clientHandler.check();

        serverHandler.release();
        clientHandler.release();
    }

    private abstract static class WriteHandler extends SimpleChannelInboundHandler