1 /*
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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
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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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22  */
23 
24 /**
25  * @test
26  * @bug     5101862
27  * @summary Test verifies that SPI of WBMP image reader
28  *           does not claims to be able to decode QT movies,
29  *           tga images, or ico files.
30  * @run     main CanDecodeTest
31  */
32 
33 import java.io.ByteArrayInputStream;
34 import java.io.File;
35 import java.io.FileOutputStream;
36 import java.io.IOException;
37 import java.io.InputStream;
38 import java.util.Arrays;
39 import java.util.Vector;
40 import javax.imageio.ImageIO;
41 import javax.imageio.ImageReader;
42 import javax.imageio.spi.ImageReaderSpi;
43 import javax.imageio.stream.ImageInputStream;
44 
45 public class CanDecodeTest {
46 
main(String[] args)47     public static void main(String[] args) throws IOException {
48         ImageReader r =
49                 ImageIO.getImageReadersByFormatName("WBMP").next();
50         ImageReaderSpi spi = r.getOriginatingProvider();
51 
52         Vector<TestCase> tests = getTestCases();
53         for (TestCase t : tests) {
54             t.doTest(spi);
55         }
56         System.out.println("Test passed.");
57     }
58 
getTestCases()59     private static Vector<TestCase> getTestCases() {
60         Vector<TestCase> v = new Vector<TestCase>(4);
61         v.add(new TestCase("wbmp", new byte[]{(byte) 0x00, (byte) 0x00,
62                     (byte) 0x60, (byte) 0x14}, 244, true));
63         v.add(new TestCase("mov", new byte[]{(byte) 0x00, (byte) 0x00,
64                     (byte) 0x07, (byte) 0xb5, (byte) 0x6d}, 82397, false));
65         v.add(new TestCase("tga", new byte[]{(byte) 0x00, (byte) 0x00,
66                     (byte) 0x0a, (byte) 0x00}, 39693, false));
67         v.add(new TestCase("ico", new byte[]{(byte) 0x00, (byte) 0x00,
68                     (byte) 0x01, (byte) 0x00}, 1078, false));
69         return v;
70     }
71 
72     private static class TestCase {
73 
74         private String title;
75         private byte[] header;
76         private int dataLength;
77         private boolean canDecode;
78 
TestCase(String title, byte[] header, int dataLength, boolean canDecode)79         public TestCase(String title, byte[] header,
80                 int dataLength, boolean canDecode) {
81             this.title = title;
82             this.dataLength = dataLength;
83             this.header = header.clone();
84             this.canDecode = canDecode;
85 
86         }
87 
doTest(ImageReaderSpi spi)88         public void doTest(ImageReaderSpi spi) throws IOException {
89             System.out.println("Test for " + title +
90                     (canDecode ? " (can decode)" : " (can't decode)"));
91             System.out.print("As a stream...");
92             ImageInputStream iis =
93                     ImageIO.createImageInputStream(getDataStream());
94 
95             if (spi.canDecodeInput(iis) != canDecode) {
96                 throw new RuntimeException("Test failed: wrong decideion " +
97                         "for stream data");
98             }
99             System.out.println("OK");
100 
101             System.out.print("As a file...");
102             iis = ImageIO.createImageInputStream(getDataFile());
103             if (spi.canDecodeInput(iis) != canDecode) {
104                 throw new RuntimeException("Test failed: wrong decideion " +
105                         "for file data");
106             }
107             System.out.println("OK");
108         }
109 
getData()110         private byte[] getData() {
111             byte[] data = new byte[dataLength];
112             Arrays.fill(data, (byte) 0);
113             System.arraycopy(header, 0, data, 0, header.length);
114 
115             return data;
116         }
getDataStream()117         public InputStream getDataStream() {
118             return new ByteArrayInputStream(getData());
119         }
120 
getDataFile()121         public File getDataFile() throws IOException {
122             File f = File.createTempFile("wbmp_", "." + title, new File("."));
123             FileOutputStream fos = new FileOutputStream(f);
124             fos.write(getData());
125             fos.flush();
126             fos.close();
127 
128             return f;
129         }
130     }
131 }
132