ParameterCheck.java revision 2362:00cd9dc3c2b5 
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
31import java.io.*;
32
33public 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
48        try {
49            byte b[] = new byte[32];
50            int numCases = off.length;
51            int[] got = new int[numCases];
52            int numGood = 0;
53            FileOutputStream fout = new FileOutputStream(fn);
54            for (int i = 0; i < 32; i++) {
55                fout.write(i);
56            }
57            fout.close();
58            RandomAccessFile raf =  new RandomAccessFile(fn , "rw");
59
60            System.err.println("-----------------------------" +
61                               "-----------------------------");
62            System.err.println("\nRandomAccessFile." + method +
63                               "\nTotal test cases = " + (off.length+1));
64            System.err.println("-----------------------------" +
65                               "-----------------------------");
66            for(int i = 0; i < numCases; i++) {
67                try {
68                    if (method.equals("readFully")) {
69                        raf.readFully(b , off[i] , len[i]);
70                    }
71                    if (method.equals("read")) {
72                        raf.read(b , off[i] , len[i]);
73                    }
74                    if (method.equals("write")) {
75                        raf.write(b , off[i] , len[i]);
76                    }
77                    raf.seek(0);
78                } catch(IndexOutOfBoundsException aiobe) {
79                    if (results[i]) {
80                        printErr(method , numGood,
81                                 i, "java.lang.IndexOutOfBoundsException");
82                    } else {
83                        numGood++;
84                    }
85                    continue;
86                } catch(OutOfMemoryError ome) {
87                    printErr(method, numGood,
88                             i, "java.lang.OutOfMemoryError");
89                    continue;
90                }
91
92                if (results[i]) {
93                    numGood++;
94                }
95                else {
96                    printErr(method, numGood,
97                             i, "No java.lang.IndexOutOfBoundsException");
98                }
99
100            }
101
102            raf.seek(0);
103            boolean thrown = false;
104            try {
105                if (method.equals("readFully")) {
106                    raf.readFully(null, 1, 2);
107                }
108                if (method.equals("read")) {
109                    raf.read(null, 1, 2);
110                }
111                if (method.equals("write")) {
112                    raf.write(null, 1, 2);
113                }
114
115            } catch(NullPointerException npe) {
116                numGood++;
117                thrown = true;
118            }
119            if (!thrown) {
120                printErr(method, numGood, -1,
121                         "no NullPointerException for null b");
122            }
123
124            System.err.println("\nTotal passed = " + numGood);
125            System.err.println("-----------------------------" +
126                               "-----------------------------");
127        } finally {
128            fn.delete();
129        }
130
131    }
132
133    private static void printErr(String method, int numGood,
134                                 int i, String expStr) {
135        numBad++;
136        System.err.println("\nNumber passed so far = " + numGood +
137                           "\nUnexpected " + expStr);
138        if ( i < 0 ) {
139            System.err.println("for case : b = null");
140        } else {
141            System.err.println("for case : b.length = " + 32 +
142                               " off = " + off[i] +
143                               " len = " + len[i]);
144        }
145    }
146
147    public static void main(String argv[]) throws Exception{
148        doTest("read");
149        doTest("readFully");
150        doTest("write");
151
152        if (numBad > 0) {
153            throw new RuntimeException("Failed " + numBad + " tests");
154        }
155    }
156}
157