1 /*
2 * Copyright (c) 2018, 2019, 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 import java.io.ByteArrayInputStream;
25 import java.io.InputStream;
26 import java.io.StringReader;
27 import java.io.StringWriter;
28 import java.nio.charset.StandardCharsets;
29 import javax.xml.transform.Transformer;
30 import javax.xml.transform.TransformerException;
31 import javax.xml.transform.TransformerFactory;
32 import javax.xml.transform.stream.StreamResult;
33 import javax.xml.transform.stream.StreamSource;
34
35 import org.testng.Assert;
36 import org.testng.annotations.Listeners;
37 import org.testng.annotations.Test;
38 import java.util.Random;
39 import javax.xml.transform.OutputKeys;
40 import org.testng.annotations.DataProvider;
41
42 /*
43 * @test
44 * @run testng/othervm JDK8207760
45 * @summary Verifies that a surrogate pair at the edge of a buffer is properly handled
46 * @bug 8207760
47 */
48 public class JDK8207760 {
49 final String xsl8207760 =
50 "<xsl:stylesheet version=\"1.0\" xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\">\n" +
51 " <xsl:output omit-xml-declaration=\"yes\" indent=\"no\" />\n" +
52 "\n" +
53 " <xsl:template match=\"node()|@*\">\n" +
54 " <xsl:copy>\n" +
55 " <xsl:apply-templates select=\"node()|@*\" />\n" +
56 " </xsl:copy>\n" +
57 " </xsl:template>\n" +
58 "</xsl:stylesheet>\n";
59
60 final String xsl8207760_2 = "<xsl:stylesheet \n" +
61 " version=\"1.0\" \n" +
62 " xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\">\n" +
63 "\n" +
64 " <xsl:output method=\"xml\" indent=\"no\" cdata-section-elements=\"source\"/>\n" +
65 "\n" +
66 " <xsl:template match=\"source\">\n" +
67 " <xsl:copy>\n" +
68 " <xsl:apply-templates select=\"node()\" />\n" +
69 " </xsl:copy>\n" +
70 " </xsl:template>\n" +
71 "\n" +
72 "</xsl:stylesheet>";
73
74 final String xsl8207760_3 = "<xsl:stylesheet \n" +
75 " version=\"1.0\" \n" +
76 " xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\">\n" +
77 "\n" +
78 " <xsl:output method=\"xml\" indent=\"no\" cdata-section-elements=\"source\"/>\n" +
79 "\n" +
80 " <xsl:template match=\"source\">\n" +
81 " <xsl:copy>\n" +
82 " <!-- Copy the attributes -->\n" +
83 " <xsl:apply-templates select=\"@*\"/>\n" +
84 " <!-- Convert the contained nodes (elements and text) into text -->\n" +
85 " <xsl:variable name=\"subElementsText\">\n" +
86 " <xsl:apply-templates select=\"node()\"/>\n" +
87 " </xsl:variable>\n" +
88 " <!-- Output the XML directive and the converted nodes -->\n" +
89 " <xsl:value-of select=\"$subElementsText\"/>\n" +
90 " </xsl:copy>\n" +
91 " </xsl:template>\n" +
92 "\n" +
93 "</xsl:stylesheet>";
94
95 @DataProvider(name = "xsls")
96 public Object[][] getDataBug8207760_cdata() {
97 return new Object[][]{
98 {xsl8207760_2},
99 {xsl8207760_3},
100 };
101 }
102
103 /*
104 * @bug 8207760
105 * Verifies that a surrogate pair at the edge of a buffer is properly handled
106 * when serializing into a Character section.
107 */
108 @Test
109 public final void testBug8207760() throws Exception {
110 String[] xmls = prepareXML(false);
111 Transformer t = createTransformerFromInputstream(
112 new ByteArrayInputStream(xsl8207760.getBytes(StandardCharsets.UTF_8)));
113 t.setOutputProperty(OutputKeys.ENCODING, StandardCharsets.UTF_8.name());
114 StringWriter sw = new StringWriter();
115 t.transform(new StreamSource(new StringReader(xmls[0])), new StreamResult(sw));
116 Assert.assertEquals(sw.toString().replaceAll(System.lineSeparator(), "\n"), xmls[1]);
117 }
118
119 /*
120 * @bug 8207760
121 * Verifies that a surrogate pair at the edge of a buffer is properly handled
122 * when serializing into a CDATA section.
123 */
124 @Test(dataProvider = "xsls")
125 public final void testBug8207760_cdata(String xsl) throws Exception {
126 String[] xmls = prepareXML(true);
127 Transformer t = createTransformerFromInputstream(
128 new ByteArrayInputStream(xsl.getBytes(StandardCharsets.UTF_8)));
129 t.setOutputProperty(OutputKeys.ENCODING, StandardCharsets.UTF_8.name());
130 StringWriter sw = new StringWriter();
131 t.transform(new StreamSource(new StringReader(xmls[0])), new StreamResult(sw));
132 Assert.assertEquals(sw.toString().replaceAll(System.lineSeparator(), "\n"), xmls[1]);
133 }
134
135 private String[] prepareXML(boolean cdata) {
136 String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><source>";
137 if (cdata) {
138 xml += "<![CDATA[";
139 }
140 String tail = "abc 123 </source>";
141 if (cdata) {
142 tail = "abc 123 ]]></source>";
143 }
144 String temp = generateString(1023);
145 xml = xml + temp + '\uD83C' + '\uDF42' + tail;
146 //xml = xml + temp + tail;
147 String expected = (!cdata) ? "<source>" + temp + "🍂" + tail
148 : xml;
149
150 return new String[]{xml, expected};
151 }
152
153 static final char[] CHARS = "abcdefghijklmnopqrstuvwxyz \n".toCharArray();
154 StringBuilder sb = new StringBuilder(1024 << 4);
155 Random random = new Random();
156
157 private String generateString(int size) {
158 sb.setLength(0);
159 for (int i = 0; i < size; i++) {
160 char c = CHARS[random.nextInt(CHARS.length)];
161 sb.append(c);
162 }
163
164 return sb.toString();
165 }
166
167 private Transformer createTransformerFromInputstream(InputStream xslStream)
168 throws TransformerException {
169 return TransformerFactory.newInstance().newTransformer(new StreamSource(xslStream));
170 }
171 }