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/*******************************************************************************
* Copyright (c) 2009, 2015 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.agent.rt.internal.output;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* Unit tests for {@link MockServerSocket}.
*/
public class MockServerSocketTest extends ExecutorTestBase {
private ServerSocket serverSocket;
/**
* To verify that the tests reflect the behavior of real TCP sockets this
* flag can be set to <code>true</code>.
*/
private static final boolean REAL_SOCKETS = Boolean
.getBoolean("MockServerSocketTest.realSockets");
@Before
@Override
public void setup() throws Exception {
super.setup();
if (REAL_SOCKETS) {
System.err.println("Using Real Sockets!");
final InetAddress addr = InetAddress.getByName("localhost");
serverSocket = new ServerSocket(16300, 1, addr);
} else {
serverSocket = new MockServerSocket();
}
}
@After
@Override
public void teardown() throws Exception {
serverSocket.close();
super.teardown();
}
private Socket connect() throws Exception {
if (REAL_SOCKETS) {
final InetAddress addr = InetAddress.getByName("localhost");
return new Socket(addr, 16300);
} else {
return ((MockServerSocket) serverSocket).connect();
}
}
@Test
public void testClose() throws Exception {
assertFalse(serverSocket.isClosed());
serverSocket.close();
assertTrue(serverSocket.isClosed());
}
@Test(expected = SocketException.class)
public void testCloseWhileAccept() throws Throwable {
final Future<Socket> f = executor.submit(new Callable<Socket>() {
public Socket call() throws Exception {
return serverSocket.accept();
}
});
assertBlocks(f);
serverSocket.close();
try {
f.get();
} catch (ExecutionException e) {
throw e.getCause();
}
}
@Test
public void testAccept() throws Exception {
final Future<Socket> f = executor.submit(new Callable<Socket>() {
public Socket call() throws Exception {
return serverSocket.accept();
}
});
assertBlocks(f);
connect().getOutputStream().write(123);
final Socket socket = f.get();
assertNotNull(socket);
assertEquals(123, socket.getInputStream().read());
}
@Test(expected = SocketException.class)
public void testAcceptOnClosedServerSocket() throws Exception {
serverSocket.close();
serverSocket.accept();
}
@Test
public void testConnect() throws Exception {
if (!REAL_SOCKETS) {
final Future<Socket> f = executor.submit(new Callable<Socket>() {
public Socket call() throws Exception {
return ((MockServerSocket) serverSocket).connect();
}
});
assertBlocks(f);
serverSocket.accept().getOutputStream().write(42);
final Socket socket = f.get();
assertNotNull(socket);
assertEquals(42, socket.getInputStream().read());
}
}
@Test
public void testWaitForAccept() throws Exception {
if (!REAL_SOCKETS) {
final Future<Void> f = executor.submit(new Callable<Void>() {
public Void call() throws Exception {
((MockServerSocket) serverSocket).waitForAccept();
connect();
return null;
}
});
assertBlocks(f);
serverSocket.accept();
f.get();
}
}
}
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