| /******************************************************************************* |
| * Copyright (c) 2009, 2018 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.assertTrue; |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| 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.Before; |
| import org.junit.Test; |
| |
| /** |
| * Unit tests for {@link MockSocketConnection}. |
| */ |
| public class MockSocketConnectionTest extends ExecutorTestBase { |
| |
| /** |
| * 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("MockSocketConnectionTest.realSockets"); |
| |
| private Socket a; |
| |
| private Socket b; |
| |
| @Before |
| @Override |
| public void setup() throws Exception { |
| super.setup(); |
| if (REAL_SOCKETS) { |
| createRealSockets(); |
| } else { |
| createMockSockets(); |
| } |
| } |
| |
| private void createMockSockets() throws Exception { |
| final MockSocketConnection con = new MockSocketConnection(); |
| a = con.getSocketA(); |
| b = con.getSocketB(); |
| } |
| |
| private void createRealSockets() throws Exception { |
| System.err.println("Using Real Sockets!"); |
| final InetAddress addr = InetAddress.getByName("localhost"); |
| ServerSocket ssocket = new ServerSocket(16300, 1, addr); |
| a = new Socket(addr, 16300); |
| b = ssocket.accept(); |
| ssocket.close(); |
| } |
| |
| @Test |
| public void testIsClosed() throws Exception { |
| assertFalse(a.isClosed()); |
| a.close(); |
| assertTrue(a.isClosed()); |
| } |
| |
| @Test(expected = SocketException.class) |
| public void testGetInputStreamOnClosedSocket() throws Exception { |
| a.close(); |
| a.getInputStream(); |
| } |
| |
| @Test(expected = SocketException.class) |
| public void testReadOnClosedSocket() throws Exception { |
| final InputStream in = a.getInputStream(); |
| a.close(); |
| in.read(); |
| } |
| |
| @Test(expected = SocketException.class) |
| public void testReadOnClosedSocketAsync() throws Throwable { |
| final InputStream in = a.getInputStream(); |
| final Future<Void> f = executor.submit(new Callable<Void>() { |
| public Void call() throws Exception { |
| in.read(); |
| return null; |
| } |
| }); |
| |
| assertBlocks(f); |
| |
| a.close(); |
| try { |
| f.get(); |
| } catch (ExecutionException e) { |
| throw e.getCause(); |
| } |
| } |
| |
| @Test(expected = SocketException.class) |
| public void testGetOutputStreamOnClosedSocket() throws Exception { |
| a.close(); |
| a.getOutputStream(); |
| } |
| |
| @Test(expected = SocketException.class) |
| public void testWriteOnClosedSocket() throws Exception { |
| final OutputStream out = a.getOutputStream(); |
| a.close(); |
| out.write(123); |
| } |
| |
| @Test |
| public void testContents() throws Exception { |
| final InputStream in = a.getInputStream(); |
| final OutputStream out = b.getOutputStream(); |
| |
| assertEquals(0, in.available()); |
| |
| out.write(0); |
| out.write(1); |
| out.write(2); |
| out.write(255); |
| |
| if (!REAL_SOCKETS) { |
| // Real sockets will have a delay |
| assertEquals(4, in.available()); |
| } |
| |
| assertEquals(0, in.read()); |
| assertEquals(1, in.read()); |
| assertEquals(2, in.read()); |
| assertEquals(255, in.read()); |
| } |
| |
| @Test |
| public void testWaitForContents() throws Exception { |
| final InputStream in = a.getInputStream(); |
| final OutputStream out = b.getOutputStream(); |
| |
| final Future<Byte> f = executor.submit(new Callable<Byte>() { |
| public Byte call() throws Exception { |
| return Byte.valueOf((byte) in.read()); |
| } |
| }); |
| |
| assertBlocks(f); |
| out.write(123); |
| assertEquals(123, f.get().byteValue()); |
| } |
| |
| @Test |
| public void testCloseOtherSocket() throws Exception { |
| b.close(); |
| final InputStream in = a.getInputStream(); |
| assertEquals(-1, in.read()); |
| } |
| |
| @Test |
| public void testCloseOtherSocketAsync() throws Exception { |
| final InputStream in = a.getInputStream(); |
| |
| final Future<Byte> f = executor.submit(new Callable<Byte>() { |
| public Byte call() throws Exception { |
| return Byte.valueOf((byte) in.read()); |
| } |
| }); |
| |
| assertBlocks(f); |
| b.close(); |
| |
| assertEquals(-1, f.get().byteValue()); |
| } |
| |
| } |