File: ReadParams.java

package info (click to toggle)
openjdk-11 11.0.4%2B11-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 757,028 kB
  • sloc: java: 5,016,041; xml: 1,191,974; cpp: 934,731; ansic: 555,697; sh: 24,299; objc: 12,703; python: 3,602; asm: 3,415; makefile: 2,772; awk: 351; sed: 172; perl: 114; jsp: 24; csh: 3
file content (231 lines) | stat: -rw-r--r-- 7,673 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
/*
 * Copyright (c) 1998, 2018, 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 4358774
 * @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();

        InputStream nis = InputStream.nullInputStream();
        doTest(nis);
        doTest1(nis);
        nis.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; }
}