1/*
2 * Copyright (c) 2003, 2017, 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 4954545
27 * @summary This test verifies whether the ImageWriter implementations throw
28 *          IllegalArgumentException when a null image is passed to the write
29 *          method. This is tested for all the image writers available with the
30 *          IIORegistry.
31 */
32
33import java.io.FileOutputStream;
34import java.util.Iterator;
35
36import javax.imageio.ImageIO;
37import javax.imageio.ImageWriter;
38import javax.imageio.spi.IIORegistry;
39import javax.imageio.spi.ImageWriterSpi;
40import javax.imageio.stream.ImageOutputStream;
41
42public class WriteNullImageTest {
43
44    public WriteNullImageTest() {
45        boolean testFailed = false;
46        String failMsg = "FAIL: IllegalArgumentException is not thrown by the " +
47            "ImageWriter when the image passed to the write() method is " +
48            "null, for the image formats: ";
49
50        try {
51            IIORegistry reg = IIORegistry.getDefaultInstance();
52            ImageWriter writer = null;
53            Iterator writerSpiIter = reg.getServiceProviders(ImageWriterSpi.class, true);
54
55            while (writerSpiIter.hasNext()) {
56                ImageWriterSpi writerSpi = (ImageWriterSpi) writerSpiIter.next();
57                writer = writerSpi.createWriterInstance();
58                String names[] = writerSpi.getFormatNames();
59
60                FileOutputStream fos = new FileOutputStream("temp");
61                ImageOutputStream ios = ImageIO.createImageOutputStream(fos);
62                writer.setOutput(ios);
63
64                try {
65                    writer.write(null, null, null);
66                } catch (IllegalArgumentException iae) {
67                    System.out.println("PASS: Expected exception is thrown when null img is passed " +
68                                       "to the write method, for the image format: " + names[0]);
69                    System.out.println("\n");
70                } catch (Exception e) {
71                    testFailed = true;
72                    failMsg = failMsg + names[0] + ", ";
73                }
74            }
75
76        } catch (Exception e) {
77            testFailed = true;
78            throw new RuntimeException("Test Failed. Exception thrown: " + e.toString());
79        }
80        if (testFailed) {
81            failMsg = failMsg.substring(0, failMsg.lastIndexOf(","));
82            throw new RuntimeException(failMsg);
83        }
84    }
85
86    public static void main(String args[]) {
87        WriteNullImageTest test = new WriteNullImageTest();
88    }
89}
90