129 lines
4.1 KiB
Java
129 lines
4.1 KiB
Java
/*
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* Copyright 1997 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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@test
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@bug 4017728 4079849
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@summary Check for correct Array Bounds check in read of FileInputStream and
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RandomAccessFile
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*/
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import java.io.*;
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/*
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* The test calls the read(byte buf[] , int off , int len) of FileInputStream with
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* different values of off and len to see if the ArrayOutOfBoundsException is
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* thrown according to the JLS1.0 specification. The read(...) method calls
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* readBytes(...) in native code(io_util.c). The read(...) method in RandomAccessFile
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* also calls the same native method. So one should see similar results.
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*/
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public class ReadBytesBounds {
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public static void main(String argv[]) throws Exception{
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int num_test_cases = 12;
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int off[] = {-1 , -1 , 0 , 0 , 33 , 33 , 0 , 32 , 32 , 4 , 1 , 0};
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int len[] = {-1 , 0 , -1 , 33 , 0 , 4 , 32 , 0 , 4 , 16 , 31 , 0};
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boolean results[] = { false , false , false , false , false , false ,
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true , true , false , true , true , true};
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FileInputStream fis = null;
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RandomAccessFile raf = null;
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byte b[] = new byte[32];
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int num_good = 0;
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int num_bad = 0;
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String dir = System.getProperty("test.src", ".");
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File testFile = new File(dir, "input.txt");
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fis = new FileInputStream(testFile);
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for(int i = 0; i < num_test_cases; i++) {
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try {
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int bytes_read = fis.read(b , off[i] , len[i]);
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} catch(IndexOutOfBoundsException aiobe) {
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if (results[i]) {
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throw new RuntimeException("Unexpected result");
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}
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else {
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num_good++;
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}
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continue;
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}
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if (results[i]) {
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num_good++;
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}
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else {
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throw new RuntimeException("Unexpected result");
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}
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}
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System.out.println("Results for FileInputStream.read");
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System.out.println("\nTotal number of test cases = " + num_test_cases +
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"\nNumber succeded = " + num_good +
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"\nNumber failed = " + num_bad);
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num_good = 0;
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num_bad = 0;
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raf = new RandomAccessFile(testFile , "r");
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for(int i = 0; i < num_test_cases; i++) {
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try {
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int bytes_read = raf.read(b , off[i] , len[i]);
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} catch(IndexOutOfBoundsException aiobe) {
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if (results[i]) {
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throw new RuntimeException("Unexpected result");
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}
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else {
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num_good++;
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}
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continue;
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}
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if (results[i]) {
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num_good++;
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}
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else {
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throw new RuntimeException("Unexpected result");
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}
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}
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System.out.println("Results for RandomAccessFile.read");
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System.out.println("\nTotal number of test cases = " + num_test_cases +
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"\nNumber succeded = " + num_good +
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"\nNumber failed = " + num_bad);
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}
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}
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