rev 9907 : 8034960: Serviceability tests using @library failing with java.lang.NoClassDefFoundError

   1 /*
   2  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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 7129312
  26  * @summary BufferedInputStream calculates negative array size with large
  27  *          streams and mark
  28  * @library /lib/testlibrary
  29  * @build jdk.testlibrary.*
  30  * @run main/othervm LargeCopyWithMark
  31  */
  32 
  33 import java.io.BufferedInputStream;
  34 import java.io.IOException;
  35 import java.io.InputStream;
  36 import java.io.OutputStream;
  37 import static jdk.testlibrary.ProcessTools.*;
  38 
  39 
  40 public class LargeCopyWithMark {
  41 
  42     public static void main(String[] args) throws Exception {
  43         if (! System.getProperty("os.arch").contains("64")) {
  44             System.out.println("Test runs on 64 bit platforms");
  45             return;
  46         }
  47         ProcessBuilder pb = createJavaProcessBuilder("-Xmx4G",
  48                 "-ea:LargeCopyWithMark$Child",
  49                 "LargeCopyWithMark$Child");
  50         int res = pb.inheritIO().start().waitFor();
  51         if (res != 0) {
  52             throw new AssertionError("Test failed: exit code = " + res);
  53         }
  54     }
  55 
  56     public static class Child {
  57         static final int BUFF_SIZE = 8192;
  58         static final int BIS_BUFF_SIZE = Integer.MAX_VALUE / 2 + 100;
  59         static final long BYTES_TO_COPY = 2L * Integer.MAX_VALUE;
  60 
  61         static {
  62             assert BIS_BUFF_SIZE * 2 < 0 : "doubling must overflow";
  63         }
  64 
  65         public static void main(String[] args) throws Exception {
  66             byte[] buff = new byte[BUFF_SIZE];
  67 
  68             try (InputStream myis = new MyInputStream(BYTES_TO_COPY);
  69                  InputStream bis = new BufferedInputStream(myis, BIS_BUFF_SIZE);
  70                  OutputStream myos = new MyOutputStream()) {
  71 
  72                 // will require a buffer bigger than BIS_BUFF_SIZE
  73                 bis.mark(BIS_BUFF_SIZE + 100);
  74 
  75                 for (;;) {
  76                     int count = bis.read(buff, 0, BUFF_SIZE);
  77                     if (count == -1)
  78                         break;
  79                     myos.write(buff, 0, count);
  80                 }
  81             } catch (java.lang.NegativeArraySizeException e) {
  82                 e.printStackTrace();
  83                 System.exit(11);
  84             } catch (Exception e) {
  85                 e.printStackTrace();
  86             }
  87         }
  88     }
  89 }
  90 
  91 class MyInputStream extends InputStream {
  92     private long bytesLeft;
  93     public MyInputStream(long bytesLeft) {
  94         this.bytesLeft = bytesLeft;
  95     }
  96     @Override public int read() throws IOException {
  97         return 0;
  98     }
  99     @Override public int read(byte[] b) throws IOException {
 100         return read(b, 0, b.length);
 101     }
 102     @Override public int read(byte[] b, int off, int len) throws IOException {
 103         if (bytesLeft <= 0)
 104             return -1;
 105         long result = Math.min(bytesLeft, (long)len);
 106         bytesLeft -= result;
 107         return (int)result;
 108     }
 109     @Override public int available() throws IOException {
 110         return (bytesLeft > 0) ? 1 : 0;
 111     }
 112 }
 113 
 114 class MyOutputStream extends OutputStream {
 115     @Override public void write(int b) throws IOException {}
 116     @Override public void write(byte[] b) throws IOException {}
 117     @Override public void write(byte[] b, int off, int len) throws IOException {}
 118 }
--- EOF ---