| /******************************************************************************* |
| * 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.core.internal; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.fail; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.FilterInputStream; |
| import java.io.FilterOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.jar.JarInputStream; |
| import java.util.jar.JarOutputStream; |
| import java.util.jar.Pack200; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipInputStream; |
| import java.util.zip.ZipOutputStream; |
| |
| import org.jacoco.core.test.TargetLoader; |
| import org.junit.Test; |
| |
| /** |
| * Unit tests for {@link Pack200Streams}. |
| */ |
| public class Pack200StreamsTest { |
| |
| @Test |
| public void testPack() throws IOException { |
| ByteArrayOutputStream jarbuffer = new ByteArrayOutputStream(); |
| ZipOutputStream zipout = new ZipOutputStream(jarbuffer); |
| zipout.putNextEntry(new ZipEntry("Test.class")); |
| zipout.write(TargetLoader.getClassDataAsBytes(getClass())); |
| zipout.finish(); |
| |
| ByteArrayOutputStream pack200buffer = new ByteArrayOutputStream(); |
| Pack200Streams.pack(jarbuffer.toByteArray(), new NoCloseOutputStream( |
| pack200buffer)); |
| |
| jarbuffer.reset(); |
| Pack200.newUnpacker().unpack( |
| new ByteArrayInputStream(pack200buffer.toByteArray()), |
| new JarOutputStream(jarbuffer)); |
| |
| ZipInputStream zipin = new ZipInputStream(new ByteArrayInputStream( |
| jarbuffer.toByteArray())); |
| assertEquals("Test.class", zipin.getNextEntry().getName()); |
| assertNull(zipin.getNextEntry()); |
| } |
| |
| @Test |
| public void testUnpack() throws IOException { |
| ByteArrayOutputStream jarbuffer = new ByteArrayOutputStream(); |
| ZipOutputStream zipout = new ZipOutputStream(jarbuffer); |
| zipout.putNextEntry(new ZipEntry("Test.class")); |
| zipout.write(TargetLoader.getClassDataAsBytes(getClass())); |
| zipout.finish(); |
| |
| ByteArrayOutputStream pack200buffer = new ByteArrayOutputStream(); |
| Pack200.newPacker().pack( |
| new JarInputStream(new ByteArrayInputStream( |
| jarbuffer.toByteArray())), pack200buffer); |
| |
| InputStream result = Pack200Streams.unpack(new NoCloseInputStream( |
| new ByteArrayInputStream(pack200buffer.toByteArray()))); |
| |
| ZipInputStream zipin = new ZipInputStream(result); |
| assertEquals("Test.class", zipin.getNextEntry().getName()); |
| assertNull(zipin.getNextEntry()); |
| } |
| |
| static class NoCloseInputStream extends FilterInputStream { |
| public NoCloseInputStream(InputStream in) { |
| super(in); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| fail(); |
| } |
| } |
| |
| static class NoCloseOutputStream extends FilterOutputStream { |
| public NoCloseOutputStream(OutputStream out) { |
| super(out); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| fail(); |
| } |
| } |
| |
| } |