| /* |
| * Copyright (c) 1998, 2010, 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 4008296 4008293 4190090 4193729 |
| * @summary Check for correct handling of parameters to |
| * XXXXInputStream.read(b, off, len). |
| * |
| */ |
| |
| import java.io.*; |
| import java.util.zip.ZipInputStream; |
| import java.util.zip.InflaterInputStream; |
| import java.util.zip.DeflaterOutputStream; |
| |
| public class ReadParams { |
| |
| /* check for correct handling of different values of off and len */ |
| public static void doTest(InputStream in) throws Exception { |
| |
| int off[] = {-1, -1, 0, 0, 33, 33, 0, 32, 32, 4, 1, 0, -1, |
| Integer.MAX_VALUE, 1, Integer.MIN_VALUE, |
| Integer.MIN_VALUE, 1}; |
| int len[] = {-1, 0, -1, 33, 0, 4, 32, 0, 4, 16, 31, 0, |
| Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE, |
| 1, -1, Integer.MIN_VALUE}; |
| boolean results[] = { false, false, false, false, false, false, |
| true, true, false, true, true, true, false, |
| false, false, false, false, false}; |
| int numCases = off.length; |
| byte b[] = new byte[32]; |
| int numBad = 0; |
| |
| for(int i = 0; i < numCases; i++) { |
| try { |
| in.read(b , off[i] , len[i]); |
| } catch (IndexOutOfBoundsException aiobe) { |
| if (results[i]) { |
| System.err.println("Error:IndexOutOfBoundsException thrown"+ |
| " for read(b, " + off[i] + " " + len[i] + |
| " ) on " + in + "\nb.length = 32"); |
| numBad++; |
| } else { |
| /* System.err.println("PassE: " + off[i] + " " + len[i]); */ |
| } |
| continue; |
| } catch (OutOfMemoryError ome) { |
| System.err.println("Error: OutOfMemoryError in read(b, " + |
| off[i] + " " + len[i] + " ) on " + in + |
| "\nb.length = 32"); |
| numBad++; |
| continue; |
| } |
| if (!results[i]) { |
| System.err.println("Error:No IndexOutOfBoundsException thrown"+ |
| " for read(b, " + off[i] + " " + len[i] + |
| " ) on " + in + "\nb.length = 32"); |
| numBad++; |
| } else { |
| /* System.err.println("Pass: " + off[i] + " " + len[i]); */ |
| } |
| } |
| |
| if (numBad > 0) { |
| throw new RuntimeException(in + " Failed " + numBad + " cases"); |
| } else { |
| System.err.println("Successfully completed bounds tests on " + in); |
| } |
| } |
| |
| /* check for correct handling of null b */ |
| public static void doTest1(InputStream in) throws Exception { |
| byte b[] = null; |
| try { |
| in.read(b, 0, 32); |
| } catch (NullPointerException npe) { |
| System.err.println("SuccessFully completed null b test on " + in); |
| return; |
| } |
| throw new RuntimeException(in + " Failed null b test"); |
| } |
| |
| public static void main(String args[]) throws Exception{ |
| /* initialise stuff */ |
| File fn = new File("x.ReadBounds"); |
| FileOutputStream fout = new FileOutputStream(fn); |
| for (int i = 0; i < 32; i++) { |
| fout.write(i); |
| } |
| fout.close(); |
| |
| byte b[] = new byte[64]; |
| for(int i = 0; i < 64; i++) { |
| b[i] = 1; |
| } |
| |
| /* test all input streams */ |
| FileInputStream fis = new FileInputStream(fn); |
| doTest(fis); |
| doTest1(fis); |
| fis.close(); |
| |
| BufferedInputStream bis = |
| new BufferedInputStream(new MyInputStream(1024)); |
| doTest(bis); |
| doTest1(bis); |
| bis.close(); |
| |
| ByteArrayInputStream bais = new ByteArrayInputStream(b); |
| doTest(bais); |
| doTest1(bais); |
| bais.close(); |
| |
| FileOutputStream fos = new FileOutputStream(fn); |
| ObjectOutputStream oos = new ObjectOutputStream(fos); |
| oos.writeInt(12345); |
| oos.writeObject("Today"); |
| oos.writeObject(new Integer(32)); |
| oos.close(); |
| ObjectInputStream ois = new ObjectInputStream(new FileInputStream(fn)); |
| doTest(ois); |
| doTest1(ois); |
| ois.close(); |
| |
| DataInputStream dis = new DataInputStream(new MyInputStream(1024)); |
| doTest(dis); |
| doTest1(dis); |
| dis.close(); |
| |
| LineNumberInputStream lis = |
| new LineNumberInputStream(new MyInputStream(1024)); |
| doTest(lis); |
| doTest1(lis); |
| lis.close(); |
| |
| PipedOutputStream pos = new PipedOutputStream(); |
| PipedInputStream pis = new PipedInputStream(); |
| pos.connect(pis); |
| pos.write(b, 0, 64); |
| doTest(pis); |
| doTest1(pis); |
| pis.close(); |
| |
| PushbackInputStream pbis = |
| new PushbackInputStream(new MyInputStream(1024)); |
| doTest(pbis); |
| doTest1(pbis); |
| pbis.close(); |
| |
| StringBufferInputStream sbis = |
| new StringBufferInputStream(new String(b)); |
| doTest(sbis); |
| doTest1(sbis); |
| sbis.close(); |
| |
| SequenceInputStream sis = |
| new SequenceInputStream(new MyInputStream(1024), |
| new MyInputStream(1024)); |
| doTest(sis); |
| doTest1(sis); |
| sis.close(); |
| |
| ZipInputStream zis = new ZipInputStream(new FileInputStream(fn)); |
| doTest(zis); |
| doTest1(zis); |
| zis.close(); |
| |
| byte[] data = new byte[256]; |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| DeflaterOutputStream dos = new DeflaterOutputStream(bos); |
| dos.write(data, 0, data.length); |
| dos.close(); |
| InflaterInputStream ifs = new InflaterInputStream |
| (new ByteArrayInputStream(bos.toByteArray())); |
| doTest(ifs); |
| doTest1(ifs); |
| ifs.close(); |
| |
| /* cleanup */ |
| fn.delete(); |
| } |
| } |
| |
| /* An InputStream class used in the above tests */ |
| class MyInputStream extends InputStream { |
| |
| private int readctr = 0; |
| private long endoffile; |
| |
| public MyInputStream(long endoffile) { |
| this.endoffile = endoffile; |
| } |
| |
| public int read() { |
| if (readctr == endoffile) { |
| return -1; |
| } |
| else { |
| readctr++; |
| return 0; |
| } |
| } |
| |
| public int available() { return 0; } |
| } |