| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.TimeZone; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.jar.JarFile; |
| import java.util.jar.JarOutputStream; |
| import java.util.jar.Pack200; |
| |
| /* |
| * @test |
| * @bug 8066985 |
| * @summary multithreading packing/unpacking files can result in Timezone set to UTC |
| * @compile -XDignore.symbol.file Utils.java DefaultTimeZoneTest.java |
| * @run main/othervm DefaultTimeZoneTest |
| * @author mcherkas |
| */ |
| |
| |
| public class DefaultTimeZoneTest { |
| |
| private static final TimeZone tz = TimeZone.getTimeZone("Europe/Moscow"); |
| private static final int INIT_THREAD_COUNT = Math.min(4, Runtime.getRuntime().availableProcessors()); |
| private static final int MAX_THREAD_COUNT = 4 * INIT_THREAD_COUNT; |
| private static final long MINUTE = 60 * 1000; |
| |
| private static class NoOpOutputStream extends OutputStream { |
| @Override |
| public void write(int b) throws IOException { |
| // no op |
| } |
| } |
| |
| static class PackAction implements Runnable { |
| private Pack200.Packer packer = Pack200.newPacker(); |
| private JarFile jarFile; |
| |
| PackAction() throws IOException { |
| jarFile = new JarFile(new File("golden.jar")); |
| } |
| |
| @Override |
| public void run() { |
| try { |
| packer.pack(jarFile, new NoOpOutputStream()); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| |
| static class UnpackAction implements Runnable { |
| private Pack200.Unpacker unpacker = Pack200.newUnpacker(); |
| private JarOutputStream jos; |
| private File packedJar = new File("golden.pack"); |
| |
| UnpackAction() throws IOException { |
| jos = new JarOutputStream(new NoOpOutputStream()); |
| } |
| |
| @Override |
| public void run() { |
| try { |
| unpacker.unpack(packedJar, jos); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } finally { |
| try { |
| jos.close(); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| }; |
| |
| public static void test(final Class<? extends Runnable> runnableClass) throws InterruptedException { |
| for (int i = INIT_THREAD_COUNT; i <= MAX_THREAD_COUNT; i*=2) { |
| final CountDownLatch startLatch = new CountDownLatch(i); |
| final CountDownLatch doneLatch = new CountDownLatch(i); |
| for (int j = 0; j < i; j++) { |
| new Thread() { |
| @Override |
| public void run() { |
| try { |
| Runnable r = runnableClass.newInstance(); |
| startLatch.countDown(); |
| startLatch.await(); |
| r.run(); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } finally { |
| doneLatch.countDown(); |
| } |
| } |
| }.start(); |
| } |
| doneLatch.await(); |
| |
| if(!TimeZone.getDefault().equals(tz)) { |
| throw new RuntimeException("FAIL: default time zone was changed"); |
| } |
| } |
| } |
| |
| public static void main(String args[]) throws IOException, InterruptedException { |
| TimeZone.setDefault(tz); |
| |
| // make a local copy of our test file |
| File srcFile = Utils.locateJar("golden.jar"); |
| final File goldenFile = new File("golden.jar"); |
| Utils.copyFile(srcFile, goldenFile); |
| |
| // created packed file |
| final JarFile goldenJarFile = new JarFile(goldenFile); |
| final File packFile = new File("golden.pack"); |
| Utils.pack(goldenJarFile, packFile); |
| |
| // before test let's unpack golden pack to warm up |
| // a native unpacker. That allow us to avoid JDK-8080438 |
| UnpackAction unpackAction = new UnpackAction(); |
| unpackAction.run(); |
| |
| long startTime = System.currentTimeMillis(); |
| while(System.currentTimeMillis() - startTime < MINUTE) { |
| // test packer |
| test(PackAction.class); |
| |
| // test unpacker |
| test(UnpackAction.class); |
| } |
| |
| Utils.cleanup(); |
| } |
| } |