1/*
2 * Copyright (c) 2012, 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 4432628 7186799
27 * @run main RemoveElement
28 * @summary Checks if ImageMetadataFormatImpl.removeElement properly
29 * removes the element from its parent's child list.
30 */
31
32import javax.imageio.metadata.IIOMetadataFormatImpl;
33import javax.imageio.metadata.IIOMetadataFormat;
34import javax.imageio.ImageTypeSpecifier;
35
36public class RemoveElement {
37
38    public static void main(String[] args) {
39        String elem = "elem2";
40        int policy = IIOMetadataFormat.CHILD_POLICY_SOME;
41        MyFormatImpl fmt = new MyFormatImpl("root", 1, 10);
42        fmt.addElement("elem1", "root", policy);
43        fmt.addElement(elem, "root", policy);
44        fmt.removeElement("elem1");
45
46        boolean gotIAE = false;
47        try {
48            fmt.getChildPolicy("elem1");
49        } catch (IllegalArgumentException e) {
50            gotIAE = true;
51        }
52        if (!gotIAE) {
53            throw new RuntimeException("Element is still present!");
54        }
55        String[] chNames = fmt.getChildNames("root");
56        if (chNames.length != 1) {
57            throw new RuntimeException("Root still has more than 1 child!");
58        }
59        if (!elem.equals(chNames[0])) {
60            throw new RuntimeException("Root's remaining child is incorrect!");
61        }
62    }
63
64    static class MyFormatImpl extends IIOMetadataFormatImpl {
65
66        MyFormatImpl(String root, int minChildren, int maxChildren) {
67            super(root, minChildren, maxChildren);
68        }
69
70        public void addElement(String elementName,
71                               String parentName,
72                               int childPolicy) {
73            super.addElement(elementName, parentName, childPolicy);
74        }
75
76        public void removeElement(String elementName) {
77            super.removeElement(elementName);
78        }
79
80        public boolean canNodeAppear(String elementName,
81                                     ImageTypeSpecifier imageType) {
82            return true;
83        }
84    }
85
86}
87