--- old/test/jdk/java/util/zip/ZipFile/FinalizeZipFile.java 2018-10-24 12:22:05.000000000 -0400 +++ /dev/null 2018-10-24 12:22:05.000000000 -0400 @@ -1,103 +0,0 @@ -/* - * Copyright (c) 2010, 2014, 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. - */ - -/* @test - * @bug 7007609 7009618 - * @summary Check that ZipFile objects are always collected - * @key randomness - */ - -import java.io.*; -import java.util.Random; -import java.util.zip.*; -import java.util.concurrent.CountDownLatch; -import java.util.concurrent.TimeUnit; - -public class FinalizeZipFile { - - private static final CountDownLatch finalizersDone = new CountDownLatch(3); - - private static class InstrumentedZipFile extends ZipFile { - - public InstrumentedZipFile(File f) throws Exception { - super(f); - System.out.printf("Using %s%n", f.getPath()); - } - @Override - protected void finalize() throws IOException { - System.out.printf("Killing %s%n", getName()); - super.finalize(); - finalizersDone.countDown(); - } - } - - private static void makeGarbage() throws Throwable { - final Random rnd = new Random(); - // Create some ZipFiles. - // Find some .jar files in test directory. - final File testdir = new File(System.getProperty("test.src", ".")); - check(testdir.isDirectory()); - final File[] jars = testdir.listFiles( - new FilenameFilter() { - public boolean accept(File dir, String name) { - return name.endsWith(".jar");}}); - check(jars.length > 1); - - new InstrumentedZipFile(jars[rnd.nextInt(jars.length)]).close(); - new InstrumentedZipFile(jars[rnd.nextInt(jars.length)]).close(); - - // Create a ZipFile and get an input stream from it - for (int i = 0; i < jars.length + 10; i++) { - ZipFile zf = new InstrumentedZipFile(jars[rnd.nextInt(jars.length)]); - ZipEntry ze = zf.getEntry("META-INF/MANIFEST.MF"); - if (ze != null) { - InputStream is = zf.getInputStream(ze); - break; - } - } - } - - public static void realMain(String[] args) throws Throwable { - makeGarbage(); - while (!finalizersDone.await(10, TimeUnit.MILLISECONDS)) { - System.gc(); - } - // Not all ZipFiles were collected? - equal(finalizersDone.getCount(), 0L); - } - - //--------------------- Infrastructure --------------------------- - static volatile int passed = 0, failed = 0; - static void pass() {passed++;} - static void fail() {failed++; Thread.dumpStack();} - static void fail(String msg) {System.out.println(msg); fail();} - static void unexpected(Throwable t) {failed++; t.printStackTrace();} - static void check(boolean cond) {if (cond) pass(); else fail();} - static void equal(Object x, Object y) { - if (x == null ? y == null : x.equals(y)) pass(); - else fail(x + " not equal to " + y);} - public static void main(String[] args) throws Throwable { - try {realMain(args);} catch (Throwable t) {unexpected(t);} - System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); - if (failed > 0) throw new AssertionError("Some tests failed");} -}