1 /* 2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 @bug 7003462 26 @summary Make sure cached Inflater does not get finalized. 27 */ 28 29 import java.io.File; 30 import java.io.InputStream; 31 import java.io.IOException; 32 import java.util.zip.ZipEntry; 33 import java.util.zip.ZipFile; 34 35 public class FinalizeInflater { 36 main(String[] args)37 public static void main(String[] args) throws Throwable { 38 try (ZipFile zf = new ZipFile(new File(System.getProperty("test.src", "."), "input.zip"))) 39 { 40 ZipEntry ze = zf.getEntry("ReadZip.java"); 41 read(zf.getInputStream(ze)); 42 System.gc(); 43 System.runFinalization(); 44 System.gc(); 45 // read again 46 read(zf.getInputStream(ze)); 47 } 48 } 49 read(InputStream is)50 private static void read(InputStream is) 51 throws IOException 52 { 53 Wrapper wrapper = new Wrapper(is); 54 byte[] buffer = new byte[32]; 55 try { 56 while(is.read(buffer)>0){} 57 } catch (IOException ioe) { 58 ioe.printStackTrace(); 59 } 60 } 61 62 static class Wrapper{ 63 InputStream is; Wrapper(InputStream is)64 public Wrapper(InputStream is) { 65 this.is = is; 66 } 67 68 @Override finalize()69 protected void finalize() throws Throwable { 70 super.finalize(); 71 is.close(); 72 } 73 } 74 } 75