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Java example source code file (SocketTest.java)

This example Java source code file (SocketTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

after, before, exception, ioexception, socket, sockettest, test

The SocketTest.java Java example source code

/*
 * Copyright 2015 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.channel.unix;

import io.netty.channel.epoll.Epoll;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import java.io.IOException;

import static org.junit.Assert.*;

public class SocketTest {

    static {
        Epoll.ensureAvailability();
    }

    private Socket socket;

    @Before
    public void setup() {
        socket = Socket.newSocketStream();
    }

    @After
    public void tearDown() throws IOException {
        socket.close();
    }

    @Test
    public void testKeepAlive() throws Exception {
        assertFalse(socket.isKeepAlive());
        socket.setKeepAlive(true);
        assertTrue(socket.isKeepAlive());
    }

    @Test
    public void testTcpCork() throws Exception {
        assertFalse(socket.isTcpCork());
        socket.setTcpCork(true);
        assertTrue(socket.isTcpCork());
    }

    @Test
    public void testTcpNoDelay() throws Exception {
        assertFalse(socket.isTcpNoDelay());
        socket.setTcpNoDelay(true);
        assertTrue(socket.isTcpNoDelay());
    }

    @Test
    public void testReceivedBufferSize() throws Exception {
        int size = socket.getReceiveBufferSize();
        int newSize = 65535;
        assertTrue(size > 0);
        socket.setReceiveBufferSize(newSize);
        // Linux usually set it to double what is specified
        assertTrue(newSize <= socket.getReceiveBufferSize());
    }

    @Test
    public void testSendBufferSize() throws Exception {
        int size = socket.getSendBufferSize();
        int newSize = 65535;
        assertTrue(size > 0);
        socket.setSendBufferSize(newSize);
        // Linux usually set it to double what is specified
        assertTrue(newSize <= socket.getSendBufferSize());
    }

    @Test
    public void testSoLinger() throws Exception {
        assertEquals(-1, socket.getSoLinger());
        socket.setSoLinger(10);
        assertEquals(10, socket.getSoLinger());
    }

    @Test
    public void testDoubleCloseDoesNotThrow() throws IOException {
        Socket socket = Socket.newSocketStream();
        socket.close();
        socket.close();
    }
}

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