1/*
2 * Copyright (c) 2015, 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     8074954
27 * @summary Test verifies that an IOException is triggered if input stream
28 *          does not contain enough data to read a multi-byte type.
29 *
30 * @run     main ShortStreamTest
31 */
32
33import javax.imageio.ImageIO;
34import javax.imageio.stream.ImageInputStream;
35import java.io.ByteArrayInputStream;
36import java.io.IOException;
37
38public class ShortStreamTest {
39    public static void main(String[] args) throws IOException {
40        TestCase[]  tests = createTests();
41
42        for (TestCase t : tests) {
43            t.test();
44        }
45    }
46
47    private static abstract class TestCase {
48        abstract void testRead(ImageInputStream iis) throws IOException;
49
50        public void test() {
51            boolean gotException = false;
52
53            ImageInputStream iis = createShortStream();
54
55            try {
56                testRead(iis);
57            } catch (IOException e) {
58                e.printStackTrace(System.out);
59                gotException = true;
60            }
61
62            if (!gotException) {
63                throw new RuntimeException("Test failed.");
64            }
65            System.out.println("Test PASSED");
66        }
67    }
68
69
70    private static ImageInputStream createShortStream() {
71        try {
72            byte[] integerTestArray = new byte[] { 80 };
73            ByteArrayInputStream bais = new ByteArrayInputStream(integerTestArray);
74
75            return ImageIO.createImageInputStream(bais);
76        } catch (IOException e) {
77            return null;
78        }
79    }
80
81    private static TestCase[] createTests() {
82        return new TestCase[]{
83                new TestCase() {
84                    @Override
85                    void testRead(ImageInputStream iis) throws IOException {
86                        iis.readInt();
87                    }
88                },
89                new TestCase() {
90                    @Override
91                    void testRead(ImageInputStream iis) throws IOException {
92                        iis.readShort();
93                    }
94                },
95                new TestCase() {
96                    @Override
97                    void testRead(ImageInputStream iis) throws IOException {
98                        iis.readDouble();
99                    }
100                },
101                new TestCase() {
102                    @Override
103                    void testRead(ImageInputStream iis) throws IOException {
104                        iis.readFloat();
105                    }
106                },
107                new TestCase() {
108                    @Override
109                    void testRead(ImageInputStream iis) throws IOException {
110                        iis.readLong();
111                    }
112                },
113                new TestCase() {
114                    @Override
115                    void testRead(ImageInputStream iis) throws IOException {
116                        iis.readUnsignedInt();
117                    }
118                },
119                new TestCase() {
120                    @Override
121                    void testRead(ImageInputStream iis) throws IOException {
122                        iis.readUnsignedShort();
123                    }
124                }
125        };
126    }
127}
128