8062518: AIOBE occurs when accessing to document function in extended function in JAXP

Reviewed-by: joehw

test/javax/xml/jaxp/transform/8062518/DocumentExtFunc.java

+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+public class DocumentExtFunc {
+
+    public static String test(NodeList list) {
+        Node node = list.item(0);
+        return "["+node.getNodeName() + ":" + node.getNodeValue()+"]";
+    }
+}

test/javax/xml/jaxp/transform/8062518/XSLTFunctionsTest.java

+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+ * @bug 8062518
+ * @summary This class contains tests for XSLT functions
+ * @compile DocumentExtFunc.java
+ * @run testng/othervm XSLTFunctionsTest
+ */
+
+import java.io.StringReader;
+import java.io.StringWriter;
+
+import javax.xml.transform.Source;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.URIResolver;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+import static org.testng.Assert.assertEquals;
+
+public class XSLTFunctionsTest {
+
+    /**
+     * bug 8062518
+     * Verifies that a reference to the DTM created by XSLT document function is
+     * actually read from the DTM by an extension function.
+     * @param xml Content of xml file to process
+     * @param xsl stylesheet content that loads external document {@code externalDoc}
+     *        with XSLT 'document' function and then reads it with
+     *        DocumentExtFunc.test() function
+     * @param externalDoc Content of the external xml document
+     * @param expectedResult Expected transformation result
+     **/
+    @Test(dataProvider = "document")
+    public void testDocument(final String xml, final String xsl,
+                             final String externalDoc, final String expectedResult) throws Exception {
+        // Prepare sources for transormation
+        Source src = new StreamSource(new StringReader(xml));
+        Source xslsrc = new StreamSource(new StringReader(xsl));
+
+        // Create factory and transformer
+        TransformerFactory tf = TransformerFactory.newInstance();
+        Transformer t = tf.newTransformer( xslsrc );
+        t.setErrorListener(tf.getErrorListener());
+
+        // Set URI Resolver to return the newly constructed xml
+        // stream source object from xml test string
+        t.setURIResolver(new URIResolver() {
+            @Override
+            public Source resolve(String href, String base)
+                    throws TransformerException {
+                if (href.contains("externalDoc")) {
+                    return new StreamSource(new StringReader(externalDoc));
+                } else {
+                    return new StreamSource(new StringReader(xml));
+                }
+            }
+        });
+
+        // Prepare output stream
+        StringWriter xmlResultString = new StringWriter();
+        StreamResult xmlResultStream = new StreamResult(xmlResultString);
+
+        //Transform the xml
+        t.transform(src, xmlResultStream);
+
+        // If the document can't be accessed and the bug is in place then
+        // reported exception will be thrown during transformation
+        System.out.println("Transformation result:"+xmlResultString.toString().trim());
+
+        // Check the result - it should contain two (node name, node values) entries -
+        // one for original document, another for a document created with
+        // call to 'document' function
+        assertEquals(xmlResultString.toString().trim(), expectedResult);
+    }
+
+    @DataProvider(name = "document")
+    public static Object[][] documentTestData() {
+        return new Object[][] {
+            {documentTestXml, documentTestXsl, documentTestExternalDoc, documentTesteExpectedResult},
+        };
+    }
+
+    static final String documentTestXml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><Test>Doc</Test>";
+
+    static final String documentTestExternalDoc = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><Test>External Doc</Test>";
+
+    static final String documentTestXsl = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+            + "<xsl:transform version=\"1.0\""
+            + " xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\" "
+            + " xmlns:cfunc=\"http://xml.apache.org/xalan/java/\">"
+            + "<xsl:template match=\"/\">"
+            + "<xsl:element name=\"root\">"
+            + "<xsl:variable name=\"other_doc\" select=\"document(&#39;externalDoc&#39;)\"/>"
+            + "<!-- Source -->"
+            + "<xsl:value-of select=\"cfunc:DocumentExtFunc.test(/Test)\"/>"
+            + "<!-- document() -->"
+            + "<xsl:value-of select=\"cfunc:DocumentExtFunc.test($other_doc/Test)\"/>"
+            + "</xsl:element></xsl:template></xsl:transform>";
+
+    static final String documentTesteExpectedResult = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+                                                    + "<root>[Test:Doc][Test:External Doc]</root>";
+}