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 }