1 /*
2 * Copyright (c) 2018, 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 package transform;
25
26 import java.io.ByteArrayInputStream;
27 import java.io.InputStream;
28 import java.io.StringReader;
29 import java.io.StringWriter;
30 import java.nio.charset.StandardCharsets;
31 import javax.xml.transform.Transformer;
32 import javax.xml.transform.TransformerException;
33 import javax.xml.transform.TransformerFactory;
34 import javax.xml.transform.stream.StreamResult;
35 import javax.xml.transform.stream.StreamSource;
36
37 import org.testng.Assert;
38 import org.testng.annotations.Listeners;
39 import org.testng.annotations.Test;
40 import java.util.Random;
41 import javax.xml.transform.OutputKeys;
42 import org.testng.annotations.DataProvider;
43
44 /*
45 * @test
46 * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest
47 * @run testng/othervm transform.JDK8207760
48 * @summary Verifies that a surrogate pair at the edge of a buffer is properly handled
49 * @bug 8207760
50 */
51 @Listeners({jaxp.library.FilePolicy.class})
52 public class JDK8207760 {
53 final String xsl8207760 =
54 "<xsl:stylesheet version=\"1.0\" xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\">\n" +
55 " <xsl:output omit-xml-declaration=\"yes\" indent=\"no\" />\n" +
56 "\n" +
57 " <xsl:template match=\"node()|@*\">\n" +
58 " <xsl:copy>\n" +
59 " <xsl:apply-templates select=\"node()|@*\" />\n" +
60 " </xsl:copy>\n" +
61 " </xsl:template>\n" +
62 "</xsl:stylesheet>\n";
63
64 final String xsl8207760_2 = "<xsl:stylesheet \n" +
65 " version=\"1.0\" \n" +
66 " xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\">\n" +
67 "\n" +
68 " <xsl:output method=\"xml\" indent=\"no\" cdata-section-elements=\"source\"/>\n" +
69 "\n" +
70 " <xsl:template match=\"source\">\n" +
71 " <xsl:copy>\n" +
72 " <xsl:apply-templates select=\"node()\" />\n" +
73 " </xsl:copy>\n" +
74 " </xsl:template>\n" +
75 "\n" +
76 "</xsl:stylesheet>";
77
78 final String xsl8207760_3 = "<xsl:stylesheet \n" +
79 " version=\"1.0\" \n" +
80 " xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\">\n" +
81 "\n" +
82 " <xsl:output method=\"xml\" indent=\"no\" cdata-section-elements=\"source\"/>\n" +
83 "\n" +
84 " <xsl:template match=\"source\">\n" +
85 " <xsl:copy>\n" +
86 " <!-- Copy the attributes -->\n" +
87 " <xsl:apply-templates select=\"@*\"/>\n" +
88 " <!-- Convert the contained nodes (elements and text) into text -->\n" +
89 " <xsl:variable name=\"subElementsText\">\n" +
90 " <xsl:apply-templates select=\"node()\"/>\n" +
91 " </xsl:variable>\n" +
92 " <!-- Output the XML directive and the converted nodes -->\n" +
93 " <xsl:value-of select=\"$subElementsText\"/>\n" +
94 " </xsl:copy>\n" +
95 " </xsl:template>\n" +
96 "\n" +
97 "</xsl:stylesheet>";
98
99 @DataProvider(name = "xsls")
100 public Object[][] getDataBug8207760_cdata() {
101 return new Object[][]{
102 {xsl8207760_2},
103 {xsl8207760_3},
104 };
105 }
106
107 /*
108 * @bug 8207760
109 * Verifies that a surrogate pair at the edge of a buffer is properly handled
110 * when serializing into a Character section.
111 */
112 @Test
113 public final void testBug8207760() throws Exception {
114 String[] xmls = prepareXML(false);
115 Transformer t = createTransformerFromInputstream(
116 new ByteArrayInputStream(xsl8207760.getBytes(StandardCharsets.UTF_8)));
117 t.setOutputProperty(OutputKeys.ENCODING, StandardCharsets.UTF_8.name());
118 StringWriter sw = new StringWriter();
119 t.transform(new StreamSource(new StringReader(xmls[0])), new StreamResult(sw));
120 Assert.assertEquals(sw.toString().replaceAll(System.lineSeparator(), "\n"), xmls[1]);
121 }
122
123 /*
124 * @bug 8207760
125 * Verifies that a surrogate pair at the edge of a buffer is properly handled
126 * when serializing into a CDATA section.
127 */
128 @Test(dataProvider = "xsls")
129 public final void testBug8207760_cdata(String xsl) throws Exception {
130 String[] xmls = prepareXML(true);
131 Transformer t = createTransformerFromInputstream(
132 new ByteArrayInputStream(xsl.getBytes(StandardCharsets.UTF_8)));
133 t.setOutputProperty(OutputKeys.ENCODING, StandardCharsets.UTF_8.name());
134 StringWriter sw = new StringWriter();
135 t.transform(new StreamSource(new StringReader(xmls[0])), new StreamResult(sw));
136 Assert.assertEquals(sw.toString().replaceAll(System.lineSeparator(), "\n"), xmls[1]);
137 }
138
139 private String[] prepareXML(boolean cdata) {
140 String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><source>";
141 if (cdata) {
142 xml += "<![CDATA[";
143 }
144 String tail = "abc 123 </source>";
145 if (cdata) {
146 tail = "abc 123 ]]></source>";
147 }
148 String temp = generateString(1023);
149 xml = xml + temp + '\uD83C' + '\uDF42' + tail;
150 //xml = xml + temp + tail;
151 String expected = (!cdata) ? "<source>" + temp + "🍂" + tail
152 : xml;
153
154 return new String[]{xml, expected};
155 }
156
157 static final char[] CHARS = "abcdefghijklmnopqrstuvwxyz \n".toCharArray();
158 StringBuilder sb = new StringBuilder(1024 << 4);
159 Random random = new Random();
160
161 private String generateString(int size) {
162 sb.setLength(0);
163 for (int i = 0; i < size; i++) {
164 char c = CHARS[random.nextInt(CHARS.length)];
165 sb.append(c);
166 }
167
168 return sb.toString();
169 }
170
171 private Transformer createTransformerFromInputstream(InputStream xslStream)
172 throws TransformerException {
173 return TransformerFactory.newInstance().newTransformer(new StreamSource(xslStream));
174 }
175 }