1 /* 2 * Copyright (c) 1998, 1999, 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 1267039 1267043 4193729 27 * @summary Check for correct handling of parameters to 28 * XXXXOutputStream.write(b, off, len). 29 * 30 */ 31 32 import java.io.*; 33 import java.util.zip.DeflaterOutputStream; 34 35 public class WriteParams { 36 37 /* check for correct handling of different values of off and len */ 38 public static void doTest(OutputStream out) throws Exception { 39 40 int off[] = {-1, -1, 0, 0, 33, 33, 0, 32, 32, 4, 1, 0, -1, 41 Integer.MAX_VALUE, 1, Integer.MIN_VALUE, 42 Integer.MIN_VALUE, 1}; 43 int len[] = {-1, 0, -1, 33, 0, 4, 32, 0, 4, 16, 31, 0, 44 Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE, 45 1, -1, Integer.MIN_VALUE}; 46 boolean results[] = { false, false, false, false, false, false, 47 true, true, false, true, true, true, false, 48 false, false, false, false, false}; 49 int numCases = off.length; 50 byte b[] = new byte[32]; 51 int numBad = 0; 52 53 for(int i = 0; i < numCases; i++) { 54 try { 55 out.write(b , off[i] , len[i]); 56 } catch (IndexOutOfBoundsException aiobe) { 57 if (results[i]) { 58 System.err.println("Error:IndexOutOfBoundsException thrown"+ 59 " for write(b, " + off[i] + " " + len[i] + 60 " ) on " + out + "\nb.length = 32"); 61 numBad++; 62 } else { 63 /* System.err.println("PassE: " + off[i] + " " + len[i]); */ 64 } 65 continue; 66 } catch (OutOfMemoryError ome) { 67 System.err.println("Error: OutOfMemoryError in write(b, " + 68 off[i] + " " + len[i] + " ) on " + out + 69 "\nb.length = 32"); 70 numBad++; 71 continue; 72 } 73 if (!results[i]) { 74 System.err.println("Error:No IndexOutOfBoundsException thrown"+ 75 " for write(b, " + off[i] + " " + len[i] + 76 " ) on " + out + "\nb.length = 32"); 77 numBad++; 78 } else { 79 /* System.err.println("Pass: " + off[i] + " " + len[i]); */ 80 } 81 } 82 83 if (numBad > 0) { 84 throw new RuntimeException(out + " Failed " + numBad + " cases"); 85 } else { 86 System.err.println("Successfully completed bounds tests on " + out); 87 } 88 } 89 90 /* check for correct handling of null b */ 91 public static void doTest1(OutputStream out) throws Exception { 92 byte b[] = null; 93 try { 94 out.write(b, 0, 32); 95 } catch (NullPointerException npe) { 96 System.err.println("SuccessFully completed null b test on " + out); 97 return; 98 } 99 throw new RuntimeException(out + " Failed null b test"); 100 } 101 102 public static void main(String args[]) throws Exception{ 103 /* initialise stuff here */ 104 File fn = new File("x.WriteBounds"); 105 FileOutputStream fout = new FileOutputStream(fn); 106 for (int i = 0; i < 32; i++) { 107 fout.write(i); 108 } 109 fout.close(); 110 111 byte b[] = new byte[64]; 112 for(int i = 0; i < 64; i++) { 113 b[i] = 1; 114 } 115 116 /* test for different output streams */ 117 FileOutputStream fos = new FileOutputStream(fn); 118 doTest(fos); 119 doTest1(fos); 120 fos.close(); 121 122 ObjectOutputStream oos = new ObjectOutputStream(new MyOutputStream()); 123 doTest(oos); 124 doTest1(oos); 125 oos.close(); 126 127 BufferedOutputStream bos = 128 new BufferedOutputStream(new MyOutputStream()); 129 doTest(bos); 130 doTest1(bos); 131 bos.close(); 132 133 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 134 doTest(baos); 135 doTest1(baos); 136 baos.close(); 137 138 DataOutputStream dos = new DataOutputStream(new MyOutputStream()); 139 doTest(dos); 140 doTest1(dos); 141 dos.close(); 142 143 PipedInputStream pis = new PipedInputStream(); 144 PipedOutputStream pos = new PipedOutputStream(); 145 pos.connect(pis); 146 doTest(pos); 147 doTest1(pos); 148 pos.close(); 149 150 DeflaterOutputStream dfos = new DeflaterOutputStream(new MyOutputStream()); 151 doTest(dfos); 152 doTest1(dfos); 153 dfos.close(); 154 155 /* cleanup */ 156 fn.delete(); 157 158 } 159 } 160 161 /* An OutputStream class used in the above tests */ 162 class MyOutputStream extends OutputStream { 163 164 public MyOutputStream() { 165 } 166 167 public void write(int b) throws IOException { 168 } 169 }