1 /*
   2  * Copyright (c) 1997, 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 /*
  25   @test
  26   @bug 4030253 4030278 4030243
  27   @summary Test for correct parameter checking in read(byte[], int, int),
  28   readFully(byte[], int, int) and write(byte[], int, int) of RandomAccessFile
  29   */
  30 
  31 import java.io.*;
  32 
  33 public class ParameterCheck {
  34 
  35     static int off[] = {-1, -1,  0, 0, 33, 33, 0, 32,
  36                         32, 4, 1, 0, -1, Integer.MAX_VALUE, 1};
  37     static int len[] = {-1,  0, -1, 33, 0, 4, 32,
  38                         0, 4, 16, 31, 0, Integer.MAX_VALUE,
  39                         Integer.MAX_VALUE, Integer.MAX_VALUE};
  40     static boolean results[] = { false,  false,  false, false, false, false,
  41                                  true, true, false, true, true, true, false,
  42                                  false, false };
  43     static int numBad = 0;
  44 
  45     private static void doTest(String method) throws Exception {
  46         File fn = new File("x.ParameterCheck");
  47         RandomAccessFile raf = null;
  48 
  49         try {
  50             byte b[] = new byte[32];
  51             int numCases = off.length;
  52             int[] got = new int[numCases];
  53             int numGood = 0;
  54             FileOutputStream fout = new FileOutputStream(fn);
  55             for (int i = 0; i < 32; i++) {
  56                 fout.write(i);
  57             }
  58             fout.close();
  59             raf =  new RandomAccessFile(fn , "rw");
  60 
  61             System.err.println("-----------------------------" +
  62                                "-----------------------------");
  63             System.err.println("\nRandomAccessFile." + method +
  64                                "\nTotal test cases = " + (off.length+1));
  65             System.err.println("-----------------------------" +
  66                                "-----------------------------");
  67             for(int i = 0; i < numCases; i++) {
  68                 try {
  69                     if (method.equals("readFully")) {
  70                         raf.readFully(b , off[i] , len[i]);
  71                     }
  72                     if (method.equals("read")) {
  73                         raf.read(b , off[i] , len[i]);
  74                     }
  75                     if (method.equals("write")) {
  76                         raf.write(b , off[i] , len[i]);
  77                     }
  78                     raf.seek(0);
  79                 } catch(IndexOutOfBoundsException aiobe) {
  80                     if (results[i]) {
  81                         printErr(method , numGood,
  82                                  i, "java.lang.IndexOutOfBoundsException");
  83                     } else {
  84                         numGood++;
  85                     }
  86                     continue;
  87                 } catch(OutOfMemoryError ome) {
  88                     printErr(method, numGood,
  89                              i, "java.lang.OutOfMemoryError");
  90                     continue;
  91                 }
  92 
  93                 if (results[i]) {
  94                     numGood++;
  95                 }
  96                 else {
  97                     printErr(method, numGood,
  98                              i, "No java.lang.IndexOutOfBoundsException");
  99                 }
 100 
 101             }
 102 
 103             raf.seek(0);
 104             boolean thrown = false;
 105             try {
 106                 if (method.equals("readFully")) {
 107                     raf.readFully(null, 1, 2);
 108                 }
 109                 if (method.equals("read")) {
 110                     raf.read(null, 1, 2);
 111                 }
 112                 if (method.equals("write")) {
 113                     raf.write(null, 1, 2);
 114                 }
 115 
 116             } catch(NullPointerException npe) {
 117                 numGood++;
 118                 thrown = true;
 119             }
 120             if (!thrown) {
 121                 printErr(method, numGood, -1,
 122                          "no NullPointerException for null b");
 123             }
 124 
 125             System.err.println("\nTotal passed = " + numGood);
 126             System.err.println("-----------------------------" +
 127                                "-----------------------------");
 128         } finally {
 129             if (raf != null)
 130                 raf.close();
 131             fn.delete();
 132         }
 133 
 134     }
 135 
 136     private static void printErr(String method, int numGood,
 137                                  int i, String expStr) {
 138         numBad++;
 139         System.err.println("\nNumber passed so far = " + numGood +
 140                            "\nUnexpected " + expStr);
 141         if ( i < 0 ) {
 142             System.err.println("for case : b = null");
 143         } else {
 144             System.err.println("for case : b.length = " + 32 +
 145                                " off = " + off[i] +
 146                                " len = " + len[i]);
 147         }
 148     }
 149 
 150     public static void main(String argv[]) throws Exception{
 151         doTest("read");
 152         doTest("readFully");
 153         doTest("write");
 154 
 155         if (numBad > 0) {
 156             throw new RuntimeException("Failed " + numBad + " tests");
 157         }
 158     }
 159 }