Bug6311448.java revision 968:874082a9b565 
1/*
2 * Copyright (c) 2014, 2016, 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
24package transform;
25
26import java.io.ByteArrayInputStream;
27import java.io.ByteArrayOutputStream;
28
29import javax.xml.parsers.DocumentBuilderFactory;
30import javax.xml.transform.Transformer;
31import javax.xml.transform.TransformerFactory;
32import javax.xml.transform.dom.DOMSource;
33import javax.xml.transform.stream.StreamResult;
34
35import org.testng.Assert;
36import org.testng.annotations.Listeners;
37import org.testng.annotations.Test;
38import org.w3c.dom.Document;
39import org.w3c.dom.Element;
40
41/*
42 * @test
43 * @bug 6311448
44 * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest
45 * @run testng/othervm -DrunSecMngr=true transform.Bug6311448
46 * @run testng/othervm transform.Bug6311448
47 * @summary Test XML transformer can output Unicode surrorate pair.
48 */
49@Listeners({jaxp.library.BasePolicy.class})
50public class Bug6311448 {
51
52    @Test
53    public void test01() {
54        try {
55            String attrKey = "key";
56            String attrValue = "\ud800\udc00"; // 17-bit code point in UTF-16
57
58            // Some obvious assertions for documentation purposes
59            Assert.assertTrue(Character.isSurrogatePair('\ud800', '\udc00'));
60            Assert.assertTrue(Character.toCodePoint('\ud800', '\udc00') == 65536);
61            Assert.assertTrue(Character.charCount(Character.toCodePoint('\ud800', '\udc00')) == 2);
62
63            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
64            Transformer t = TransformerFactory.newInstance().newTransformer();
65
66            // Create a DOM with 'attrValue' in it
67            Document doc = dbf.newDocumentBuilder().getDOMImplementation().createDocument(null, null, null);
68            Element xmlRoot = doc.createElement("root");
69            xmlRoot.setAttribute(attrKey, attrValue);
70            doc.appendChild(xmlRoot);
71
72            // Serialize DOM into a byte array
73            ByteArrayOutputStream baos = new ByteArrayOutputStream();
74            t.setOutputProperty("encoding", "utf-8");
75            t.transform(new DOMSource(doc), new StreamResult(baos));
76
77            // Re-parse byte array back into a DOM
78            ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
79            doc = dbf.newDocumentBuilder().parse(bais);
80            String newValue = doc.getDocumentElement().getAttribute(attrKey);
81            Assert.assertTrue(newValue.charAt(0) == '\ud800' && newValue.charAt(1) == '\udc00');
82        } catch (Exception e) {
83            Assert.fail(e.getMessage());
84        }
85    }
86
87}
88
89