--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/javax/xml/ws/8159058/SaajEmptyNamespaceTest.java	Thu Jan 12 00:37:44 2017 +0300
@@ -0,0 +1,282 @@
+/*
+ * Copyright (c) 2017, 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 8159058
+ * @summary Test that empty default namespace declaration clears the
+ *          default namespace value
+ * @compile -XDignore.symbol.file SaajEmptyNamespaceTest.java
+ * @run testng/othervm SaajEmptyNamespaceTest
+ */
+
+import com.sun.xml.internal.ws.api.SOAPVersion;
+import com.sun.xml.internal.ws.api.message.saaj.SAAJFactory;
+import com.sun.xml.internal.ws.message.stream.StreamMessage;
+import java.io.ByteArrayInputStream;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.io.UnsupportedEncodingException;
+import javax.xml.namespace.QName;
+import javax.xml.soap.MessageFactory;
+import javax.xml.soap.SOAPBody;
+import javax.xml.soap.SOAPElement;
+import javax.xml.soap.SOAPException;
+import javax.xml.soap.SOAPMessage;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+import org.testng.Assert;
+import org.testng.annotations.Test;
+import org.w3c.dom.Node;
+
+public class SaajEmptyNamespaceTest {
+
+    /*
+     * Test that SOAP message with default namespace declaration that contains empty
+     * string is properly processed by SAAJ reader.
+     */
+    @Test
+    public void testResetDefaultNamespaceSAAJ() throws Exception {
+        // Create SOAP message from XML string and process it with SAAJ reader
+        XMLStreamReader envelope = XMLInputFactory.newFactory().createXMLStreamReader(
+                new StringReader(INPUT_SOAP_MESSAGE));
+        StreamMessage streamMessage = new StreamMessage(SOAPVersion.SOAP_11,
+                envelope, null);
+        SAAJFactory saajFact = new SAAJFactory();
+        SOAPMessage soapMessage = saajFact.readAsSOAPMessage(SOAPVersion.SOAP_11, streamMessage);
+
+        // Check if constructed object model meets local names and namespace expectations
+        SOAPElement request = (SOAPElement) soapMessage.getSOAPBody().getFirstChild();
+        // Check top body element name
+        Assert.assertEquals(request.getLocalName(), "SampleServiceRequest");
+        // Check top body element namespace
+        Assert.assertEquals(request.getNamespaceURI(), TEST_NS);
+        SOAPElement params = (SOAPElement) request.getFirstChild();
+        // Check first child name
+        Assert.assertEquals(params.getLocalName(), "RequestParams");
+        // Check if first child namespace is null
+        Assert.assertNull(params.getNamespaceURI());
+
+        // Check inner elements of the first child
+        SOAPElement param1 = (SOAPElement) params.getFirstChild();
+        Assert.assertEquals(param1.getLocalName(), "Param1");
+        Assert.assertNull(param1.getNamespaceURI());
+        SOAPElement param2 = (SOAPElement) params.getChildNodes().item(1);
+        Assert.assertEquals(param2.getLocalName(), "Param2");
+        Assert.assertNull(param2.getNamespaceURI());
+        // Check full content of SOAP body
+        Assert.assertEquals(nodeToText(request), EXPECTED_RESULT);
+    }
+
+    /*
+     * Test that adding element with explicitly null namespace URI shall put the
+     * element into global namespace. Namespace declarations are not added explicitly.
+     */
+    @Test
+    public void testAddElementToNullNsNoDeclarations() throws Exception {
+        // Create empty SOAP message
+        SOAPMessage msg = createSoapMessage();
+        SOAPBody body = msg.getSOAPPart().getEnvelope().getBody();
+
+        // Add elements
+        SOAPElement parentExplicitNS = body.addChildElement("content", "", TEST_NS);
+        SOAPElement childGlobalNS = parentExplicitNS.addChildElement("global-child", "", null);
+        SOAPElement childDefaultNS = parentExplicitNS.addChildElement("default-child");
+
+        // Check namespace URIs
+        Assert.assertNull(childGlobalNS.getNamespaceURI());
+        Assert.assertEquals(childDefaultNS.getNamespaceURI(), TEST_NS);
+    }
+
+    /*
+     * Test that adding element with explicitly empty namespace URI shall put
+     * the element into global namespace. Namespace declarations are not added
+     * explicitly.
+     */
+    @Test
+    public void testAddElementToGlobalNsNoDeclarations() throws Exception {
+        // Create empty SOAP message
+        SOAPMessage msg = createSoapMessage();
+        SOAPBody body = msg.getSOAPPart().getEnvelope().getBody();
+
+        // Add elements
+        SOAPElement parentExplicitNS = body.addChildElement("content", "", TEST_NS);
+        SOAPElement childGlobalNS = parentExplicitNS.addChildElement("global-child", "", "");
+        SOAPElement childDefaultNS = parentExplicitNS.addChildElement("default-child");
+
+        // Check namespace URIs
+        Assert.assertNull(childGlobalNS.getNamespaceURI());
+        Assert.assertEquals(childDefaultNS.getNamespaceURI(), TEST_NS);
+    }
+
+    /*
+     * Test that adding element with explicitly empty namespace URI set via QName
+     * shall put the element into global namespace.
+     */
+    @Test
+    public void testAddElementToNullNsQName() throws Exception {
+        // Create empty SOAP message
+        SOAPMessage msg = createSoapMessage();
+        SOAPBody body = msg.getSOAPPart().getEnvelope().getBody();
+
+        // Add elements
+        SOAPElement parentExplicitNS = body.addChildElement("content", "", TEST_NS);
+        parentExplicitNS.addNamespaceDeclaration("", TEST_NS);
+        SOAPElement childGlobalNS = parentExplicitNS.addChildElement(new QName(null, "global-child"));
+        childGlobalNS.addNamespaceDeclaration("", "");
+        SOAPElement grandChildGlobalNS = childGlobalNS.addChildElement("global-grand-child");
+        SOAPElement childDefaultNS = parentExplicitNS.addChildElement("default-child");
+
+        // Check namespace URIs
+        Assert.assertNull(childGlobalNS.getNamespaceURI());
+        Assert.assertNull(grandChildGlobalNS.getNamespaceURI());
+        Assert.assertEquals(childDefaultNS.getNamespaceURI(), TEST_NS);
+    }
+
+    /*
+     * Test that adding element with explicitly empty namespace URI shall put
+     * the element into global namespace.
+     */
+    @Test
+    public void testAddElementToGlobalNs() throws Exception {
+        // Create empty SOAP message
+        SOAPMessage msg = createSoapMessage();
+        SOAPBody body = msg.getSOAPPart().getEnvelope().getBody();
+
+        // Add elements
+        SOAPElement parentExplicitNS = body.addChildElement("content", "", TEST_NS);
+        parentExplicitNS.addNamespaceDeclaration("", TEST_NS);
+        SOAPElement childGlobalNS = parentExplicitNS.addChildElement("global-child", "", "");
+        childGlobalNS.addNamespaceDeclaration("", "");
+        SOAPElement grandChildGlobalNS = childGlobalNS.addChildElement("global-grand-child");
+        SOAPElement childDefaultNS = parentExplicitNS.addChildElement("default-child");
+
+        // Check namespace URIs
+        Assert.assertNull(childGlobalNS.getNamespaceURI());
+        Assert.assertNull(grandChildGlobalNS.getNamespaceURI());
+        Assert.assertEquals(childDefaultNS.getNamespaceURI(), TEST_NS);
+    }
+
+    /*
+     * Test that adding element with explicitly null namespace URI shall put
+     * the element into global namespace.
+     */
+    @Test
+    public void testAddElementToNullNs() throws Exception {
+        // Create empty SOAP message
+        SOAPMessage msg = createSoapMessage();
+        SOAPBody body = msg.getSOAPPart().getEnvelope().getBody();
+
+        // Add elements
+        SOAPElement parentExplicitNS = body.addChildElement("content", "", TEST_NS);
+        parentExplicitNS.addNamespaceDeclaration("", TEST_NS);
+        SOAPElement childGlobalNS = parentExplicitNS.addChildElement("global-child", "", null);
+        childGlobalNS.addNamespaceDeclaration("", null);
+        SOAPElement grandChildGlobalNS = childGlobalNS.addChildElement("global-grand-child");
+        SOAPElement childDefaultNS = parentExplicitNS.addChildElement("default-child");
+
+        // Check namespace URIs
+        Assert.assertNull(childGlobalNS.getNamespaceURI());
+        Assert.assertNull(grandChildGlobalNS.getNamespaceURI());
+        Assert.assertEquals(TEST_NS, childDefaultNS.getNamespaceURI());
+    }
+
+    /*
+     * Test that adding element with explicitly empty namespace URI via QName
+     * shall put the element in global namespace.
+     */
+    @Test
+    public void testAddElementToGlobalNsQName() throws Exception {
+        // Create empty SOAP message
+        SOAPMessage msg = createSoapMessage();
+        SOAPBody body = msg.getSOAPPart().getEnvelope().getBody();
+
+        // Add elements
+        SOAPElement parentExplicitNS = body.addChildElement("content", "", TEST_NS);
+        parentExplicitNS.addNamespaceDeclaration("", TEST_NS);
+        SOAPElement childGlobalNS = parentExplicitNS.addChildElement(new QName("", "global-child"));
+        childGlobalNS.addNamespaceDeclaration("", "");
+        SOAPElement grandChildGlobalNS = childGlobalNS.addChildElement("global-grand-child");
+        SOAPElement childDefaultNS = parentExplicitNS.addChildElement("default-child");
+
+        // Check namespace URIs
+        Assert.assertNull(childGlobalNS.getNamespaceURI());
+        Assert.assertNull(grandChildGlobalNS.getNamespaceURI());
+        Assert.assertEquals(childDefaultNS.getNamespaceURI(),TEST_NS);
+    }
+
+    // Convert DOM node to text representation
+    private String nodeToText(Node node) throws TransformerException {
+        Transformer trans = TransformerFactory.newInstance().newTransformer();
+        trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
+        StringWriter writer = new StringWriter();
+        StreamResult result = new StreamResult(writer);
+        trans.transform(new DOMSource(node), result);
+        String bodyContent = writer.toString();
+        System.out.println("SOAP body content read by SAAJ:"+bodyContent);
+        return bodyContent;
+    }
+
+    // Create SOAP message with empty body
+    private static SOAPMessage createSoapMessage() throws SOAPException, UnsupportedEncodingException {
+        String xml = "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\">"
+                    +"<SOAP-ENV:Body/></SOAP-ENV:Envelope>";
+        MessageFactory mFactory = MessageFactory.newInstance();
+        SOAPMessage msg = mFactory.createMessage();
+        msg.getSOAPPart().setContent(new StreamSource(new ByteArrayInputStream(xml.getBytes("utf-8"))));
+        return msg;
+    }
+
+    // Namespace value used in tests
+    private static String TEST_NS = "http://example.org/test";
+
+    // Content of SOAP message passed to SAAJ factory
+    private static String INPUT_SOAP_MESSAGE = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+            + "<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">"
+            + "<s:Body>"
+            + "<SampleServiceRequest xmlns=\"http://example.org/test\""
+            + " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">"
+            + "<RequestParams xmlns=\"\">"
+            + "<Param1>hogehoge</Param1>"
+            + "<Param2>fugafuga</Param2>"
+            + "</RequestParams>"
+            + "</SampleServiceRequest>"
+            + "</s:Body>"
+            + "</s:Envelope>";
+
+    // Expected body content after SAAJ processing
+    private static String EXPECTED_RESULT = "<SampleServiceRequest"
+            +" xmlns=\"http://example.org/test\">"
+            + "<RequestParams xmlns=\"\">"
+            + "<Param1>hogehoge</Param1>"
+            + "<Param2>fugafuga</Param2>"
+            + "</RequestParams>"
+            + "</SampleServiceRequest>";
+}