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Posted to dev@openaz.apache.org by pd...@apache.org on 2015/04/13 17:38:17 UTC

[17/51] [partial] incubator-openaz git commit: Initial seed of merged of AT&T and JP Morgan code

http://git-wip-us.apache.org/repos/asf/incubator-openaz/blob/94fcdd90/openaz-xacml-test/src/test/java/com/att/research/xacmlatt/pdp/std/functions/FunctionDefinitionXPathTest.java
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diff --git a/openaz-xacml-test/src/test/java/com/att/research/xacmlatt/pdp/std/functions/FunctionDefinitionXPathTest.java b/openaz-xacml-test/src/test/java/com/att/research/xacmlatt/pdp/std/functions/FunctionDefinitionXPathTest.java
new file mode 100755
index 0000000..5e622ab
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+++ b/openaz-xacml-test/src/test/java/com/att/research/xacmlatt/pdp/std/functions/FunctionDefinitionXPathTest.java
@@ -0,0 +1,1107 @@
+package com.att.research.xacmlatt.pdp.std.functions;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathFactory;
+
+import org.junit.Test;
+
+import com.att.research.xacml.api.Request;
+import com.att.research.xacml.api.XACML3;
+import com.att.research.xacml.std.IdentifierImpl;
+import com.att.research.xacml.std.StdRequest;
+import com.att.research.xacml.std.StdStatus;
+import com.att.research.xacml.std.datatypes.DataTypes;
+import com.att.research.xacml.std.datatypes.XPathExpressionWrapper;
+import com.att.research.xacml.std.dom.DOMRequest;
+import com.att.research.xacmlatt.pdp.policy.ExpressionResult;
+import com.att.research.xacmlatt.pdp.policy.FunctionArgument;
+import com.att.research.xacmlatt.pdp.policy.FunctionArgumentAttributeValue;
+import com.att.research.xacmlatt.pdp.std.StdEvaluationContext;
+import com.att.research.xacmlatt.pdp.std.StdFunctions;
+
+/**
+ * Test of PDP Functions (See XACML core spec section A.3)
+ * 
+ * TO RUN - use jUnit
+ * In Eclipse select this file or the enclosing directory, right-click and select Run As/JUnit Test
+ * 
+ * @author glenngriffin
+ *
+ */
+public class FunctionDefinitionXPathTest {
+	
+	//
+	// Strings for the Request contents
+	//
+	
+	String reqStrMainStart = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" 
+			+ "<Request xsi:schemaLocation=\"urn:oasis:names:tc:xacml:3.0:core:schema:wd-17" 
+			+ " http://docs.oasis-open.org/xacml/3.0/xacml-core-v3-schema-wd-17.xsd\"" 
+			+ " ReturnPolicyIdList=\"false\""
+			+ " CombinedDecision=\"false\""
+			+ " xmlns=\"urn:oasis:names:tc:xacml:3.0:core:schema:wd-17\""
+			+ " xmlns:md=\"http://www.medico.com/schemas/record\""
+			+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">"
+			+ "	<Attributes Category=\"urn:oasis:names:tc:xacml:1.0:subject-category:access-subject\">"
+			+ "		<Attribute IncludeInResult=\"false\" AttributeId=\"urn:oasis:names:tc:xacml:1.0:subject:subject-id\">"
+			+ "			<AttributeValue DataType=\"http://www.w3.org/2001/XMLSchema#string\">Julius Hibbert</AttributeValue>"
+			+ "		</Attribute>"
+			+ "		<Attribute IncludeInResult=\"false\" AttributeId=\"urn:oasis:names:tc:xacml:2.0:conformance-test:test-attr\">"
+			+ "			<AttributeValue DataType=\"http://www.w3.org/2001/XMLSchema#string\">   This  is IT!  </AttributeValue>"
+			+ "		</Attribute>"
+			+ "		<Attribute IncludeInResult=\"false\" AttributeId=\"urn:oasis:names:tc:xacml:2.0:conformance-test:test-attr\">"
+			+ "			<AttributeValue DataType=\"http://www.w3.org/2001/XMLSchema#string\">   This  is IT!  </AttributeValue>"
+			+ "		</Attribute>"
+			+ "</Attributes>";
+	      
+	String reqStrResourceStart =   "<Attributes Category=\"urn:oasis:names:tc:xacml:3.0:attribute-category:resource\">";
+
+	String reqStrContentMdRecord =
+		" <Content>" +
+			"<md:record>" +
+                "<md:hospital_info>" +
+                   "<md:name>ABC Hospital</md:name>" +
+                    "<md:department>Surgery</md:department>" +
+                "</md:hospital_info>" +
+                "<md:patient_info>" +
+                    "<md:name>Bart Simpson</md:name>" +
+                    "<md:age>60</md:age>" +
+                    "<md:sex>male</md:sex>" +
+                    "<md:health_insurance>123456</md:health_insurance>" +
+                "</md:patient_info>" +
+                "<md:diagnosis_info>" +
+                    "<md:diagnosis>" +
+                        "<md:item type=\"primary\">Gastric Cancer</md:item>" +
+                        "<md:item type=\"secondary\">Hyper tension</md:item>" +
+                    "</md:diagnosis>" +
+                    "<md:pathological_diagnosis>" +
+                        "<md:diagnosis>" +
+                            "<md:item type=\"primary\">Well differentiated adeno carcinoma</md:item>" +
+                        "</md:diagnosis>" +
+                        "<md:date>2000-10-05</md:date>" +
+                        "<md:malignancy type=\"yes\"/>" +
+                    "</md:pathological_diagnosis>" +
+                "</md:diagnosis_info>  " +             
+           " </md:record>" +
+         "</Content>";
+	String reqStrMalformedContent = 
+			" <Content>" +
+					"<md:record>" +
+		                "<md:hospital_info>" +
+		                   "<md:name>ABC Hospital</md:name>" +
+		                        "<md:malignancy type=\"yes\"/>" +
+		    "</Content>";
+	String reqStrResourceEnd = "    <Attribute IncludeInResult=\"false\" AttributeId=\"urn:oasis:names:tc:xacml:1.0:resource:resource-id\">"
+			+ "		<AttributeValue DataType=\"http://www.w3.org/2001/XMLSchema#anyURI\">http://medico.com/record/patient/BartSimpson</AttributeValue>"
+			+ "  </Attribute>"
+			+ "</Attributes> ";
+	String reqStrActionStart =   "<Attributes Category=\"urn:oasis:names:tc:xacml:3.0:attribute-category:action\">";
+
+	String reqStrActionEnd = "<Attribute IncludeInResult=\"false\" AttributeId=\"urn:oasis:names:tc:xacml:1.0:action:action-id\">"
+			+ "<AttributeValue DataType=\"http://www.w3.org/2001/XMLSchema#string\">read</AttributeValue>"
+			+ "</Attribute>"
+			+ "</Attributes> ";
+	String reqStrEnvironmentStartEnd = "  <Attributes Category=\"urn:oasis:names:tc:xacml:3.0:attribute-category:environment\" />";
+	String reqStrMainEnd = " </Request>";
+
+	
+	// combined strings for convenience
+	String reqStrMainResourceStart = reqStrMainStart + reqStrResourceStart;
+	String reqStrResourceAllEnd = reqStrResourceEnd + reqStrActionStart + reqStrActionEnd + reqStrEnvironmentStartEnd + reqStrMainEnd;
+	
+	
+	/*
+	 * variables useful in the following tests
+	 */
+	List<FunctionArgument> arguments = new ArrayList<FunctionArgument>();
+	
+	
+	
+	// Name Spaces used in the XML as part of these examples (copied from the Conformance tests) - needed for compiling XPaths
+	NamespaceContext nameSpaceContext = new NamespaceContext() {
+	    @Override
+	    public Iterator<?> getPrefixes(String arg0) { return null;}
+
+	    @Override
+	    public String getPrefix(String arg0) {return null;}
+
+	    @Override
+	    public String getNamespaceURI(String arg0) {
+	        if("md".equals(arg0)) {
+	            return "http://www.medico.com/schemas/record";
+	        } else if ("xacml-context".equals(arg0)) {
+	        	return "urn:oasis:names:tc:xacml:3.0:context:schema:os";
+	        } else if ("xsi".equals(arg0)) {
+	        	return "http://www.w3.org/2001/XMLSchema-instance";
+	        }
+	        return null;
+	    }
+	};
+	
+	
+	
+	//
+	// XPath Function Attributes available for use in tests  (representing appropriate fragment of Policy)
+	//
+	
+	FunctionArgumentAttributeValue attrXnull = null;
+	FunctionArgumentAttributeValue attrXEmpty = null;
+	FunctionArgumentAttributeValue attrXNoCategory = null;
+	FunctionArgumentAttributeValue attrXNoValue = null;
+	FunctionArgumentAttributeValue attrXSlashSlashMdRecord = null;
+	FunctionArgumentAttributeValue attrXSlashSlashStar = null;
+	FunctionArgumentAttributeValue attrXSlashSlashMdName = null;
+	FunctionArgumentAttributeValue attrXSlashSlashMdMalignancy = null;
+	FunctionArgumentAttributeValue attrXNotInRequest = null;
+	FunctionArgumentAttributeValue attrXSlashSlashMdRecordSlashStar = null;
+	FunctionArgumentAttributeValue attrXMdPatientInfo = null;
+	
+	FunctionArgumentAttributeValue attrBadType = null;
+
+	// String version of attrs for use in Deprecated functions
+	FunctionArgumentAttributeValue attrStrnull = null;
+	FunctionArgumentAttributeValue attrStrEmpty = null;
+	FunctionArgumentAttributeValue attrStrNoCategory = null;
+	FunctionArgumentAttributeValue attrStrNoValue = null;
+	FunctionArgumentAttributeValue attrStrSlashSlashMdRecord = null;
+	FunctionArgumentAttributeValue attrStrSlashSlashStar = null;
+	FunctionArgumentAttributeValue attrStrSlashSlashMdName = null;
+	FunctionArgumentAttributeValue attrStrSlashSlashMdMalignancy = null;
+	FunctionArgumentAttributeValue attrStrNotInRequest = null;
+	FunctionArgumentAttributeValue attrStrSlashSlashMdRecordSlashStar = null;
+	FunctionArgumentAttributeValue attrStrMdPatientInfo = null;
+	
+	
+	//
+	// REQUEST objects available for use in tests
+	//
+	Request requestEmpty = new StdRequest(StdStatus.STATUS_OK);
+	Request requestMdRecord = null;
+	Request requestDoubleResources = null;
+	Request requestResourceActionContent = null;
+	Request requestContentInAction = null;
+
+
+	
+	
+	/**
+	 * Set up all variables in one place because it is complicated (lots of steps needed for each attribute)
+	 */
+	public FunctionDefinitionXPathTest() {
+		try {
+			XPathFactory xPathFactory = XPathFactory.newInstance();
+			XPath xpath = xPathFactory.newXPath();
+			xpath.setNamespaceContext(nameSpaceContext);
+			
+			// Create XPaths to use in expressions
+			XPathExpressionWrapper xEmpty = new XPathExpressionWrapper("");
+			XPathExpressionWrapper xSlashSlashMdRecord = new XPathExpressionWrapper(xpath.compile("//md:record"));
+			XPathExpressionWrapper xSlashSlashStar = new XPathExpressionWrapper(xpath.compile("//*"));
+			XPathExpressionWrapper xSlashSlashMdName = new XPathExpressionWrapper(xpath.compile("//md:name"));
+			XPathExpressionWrapper xSlashSlashMdMalignancy = new XPathExpressionWrapper(xpath.compile("//md:malignancy"));
+			XPathExpressionWrapper xNotInRequest = new XPathExpressionWrapper(xpath.compile("value_Not_in_request"));
+			XPathExpressionWrapper xSlashSlashMdRecordSlashStar = new XPathExpressionWrapper(xpath.compile("//md:record/*"));
+			XPathExpressionWrapper xMdPatientInfo = new XPathExpressionWrapper(xpath.compile("md:patient_info"));
+
+	
+			
+			// create Function Attributes out of the XPathExpressions
+			attrXnull = new FunctionArgumentAttributeValue(null);
+			attrXEmpty = new FunctionArgumentAttributeValue(DataTypes.DT_XPATHEXPRESSION.createAttributeValue(xEmpty));
+			attrXNoCategory = new FunctionArgumentAttributeValue(DataTypes.DT_XPATHEXPRESSION.createAttributeValue(xSlashSlashMdRecord));
+			attrXNoValue = new FunctionArgumentAttributeValue(DataTypes.DT_XPATHEXPRESSION.createAttributeValue(xEmpty,
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrXSlashSlashMdRecord = new FunctionArgumentAttributeValue(DataTypes.DT_XPATHEXPRESSION.createAttributeValue(xSlashSlashMdRecord,
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrXSlashSlashStar = new FunctionArgumentAttributeValue(DataTypes.DT_XPATHEXPRESSION.createAttributeValue(xSlashSlashStar,
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrXSlashSlashMdName = new FunctionArgumentAttributeValue(DataTypes.DT_XPATHEXPRESSION.createAttributeValue(xSlashSlashMdName,
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrXSlashSlashMdMalignancy = new FunctionArgumentAttributeValue(DataTypes.DT_XPATHEXPRESSION.createAttributeValue(xSlashSlashMdMalignancy,
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrXNotInRequest = new FunctionArgumentAttributeValue(DataTypes.DT_XPATHEXPRESSION.createAttributeValue(xNotInRequest,
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			
+			attrXSlashSlashMdRecordSlashStar = new FunctionArgumentAttributeValue(DataTypes.DT_XPATHEXPRESSION.createAttributeValue(xSlashSlashMdRecordSlashStar,
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrXMdPatientInfo = new FunctionArgumentAttributeValue(DataTypes.DT_XPATHEXPRESSION.createAttributeValue(xMdPatientInfo,
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));	
+			
+			
+			// Deprecated versions of args
+			attrStrnull = new FunctionArgumentAttributeValue(null);
+			attrStrEmpty = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue(""));
+			attrStrNoCategory = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("//md:record"));
+			attrStrNoValue = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("",
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrStrSlashSlashMdRecord = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("//md:record",
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrStrSlashSlashStar = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("//*",
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrStrSlashSlashMdName = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("//md:name",
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrStrSlashSlashMdMalignancy = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("//md:malignancy",
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrStrNotInRequest = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("value_Not_in_request",
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			
+			attrStrSlashSlashMdRecordSlashStar = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("//md:record/*",
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));
+			attrStrMdPatientInfo = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("md:patient_info",
+					new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource" )));	
+			
+			
+			
+			
+			attrBadType = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("some string"));
+		
+			
+			
+			// Request objects
+			// to create a Request object the easiest way is to put the xml into a file and use the DOMRequest to load it.
+			
+			// single Content in the Resources section (normal valid request)
+			String reqString = reqStrMainResourceStart + reqStrContentMdRecord + reqStrResourceAllEnd;
+				File tFile = File.createTempFile("functionJunit", "request");
+				BufferedWriter bw = new BufferedWriter(new FileWriter(tFile));
+				bw.append(reqString);
+				bw.flush();
+				bw.close();
+			requestMdRecord = DOMRequest.load(tFile);
+				tFile.delete();
+				
+			// Resources included twice
+			reqString = reqStrMainResourceStart + reqStrContentMdRecord + reqStrResourceEnd + reqStrResourceStart + reqStrContentMdRecord +reqStrResourceAllEnd;
+				tFile = File.createTempFile("functionJunit", "request");
+				bw = new BufferedWriter(new FileWriter(tFile));
+				bw.append(reqString);
+				bw.flush();
+				bw.close();
+			requestDoubleResources = DOMRequest.load(tFile);
+				tFile.delete();
+					
+				
+			// content included in both Resource and Action - ok
+			reqString = reqStrMainResourceStart + reqStrContentMdRecord + reqStrResourceEnd + reqStrActionStart + reqStrContentMdRecord + reqStrActionEnd + reqStrMainEnd;
+				tFile = File.createTempFile("functionJunit", "request");
+				bw = new BufferedWriter(new FileWriter(tFile));
+				bw.append(reqString);
+				bw.flush();
+				bw.close();	
+			requestResourceActionContent = DOMRequest.load(tFile);
+				tFile.delete();
+				
+			// Content included only in Action - missing content produces non-error result according to spec
+			reqString = reqStrMainResourceStart + reqStrResourceEnd + reqStrActionStart + reqStrContentMdRecord + reqStrActionEnd + reqStrMainEnd;
+				tFile = File.createTempFile("functionJunit", "request");
+				bw = new BufferedWriter(new FileWriter(tFile));
+				bw.append(reqString);
+				bw.flush();
+				bw.close();		
+			requestContentInAction = DOMRequest.load(tFile);
+				tFile.delete();
+			
+				
+				
+			// Test that Bad XML is caught
+			@SuppressWarnings("unused")
+			Request requestContentMisplaced = null;
+			@SuppressWarnings("unused")
+			Request requestMalformedContent = null;
+			@SuppressWarnings("unused")
+			Request requestDoubleContent = null;
+
+			
+			// Content included twice - error
+			reqString = reqStrMainResourceStart + reqStrContentMdRecord + reqStrContentMdRecord +reqStrResourceAllEnd;
+				tFile = File.createTempFile("functionJunit", "request");
+				bw = new BufferedWriter(new FileWriter(tFile));
+				bw.append(reqString);
+				bw.flush();
+				bw.close();
+			try {
+				requestDoubleContent = DOMRequest.load(tFile);
+					tFile.delete();
+			} catch (com.att.research.xacml.std.dom.DOMStructureException e) {
+				// this is what it should do, so just continue
+			} catch (Exception e) {
+				fail("Unexpected exception for bad XML, e="+e);
+			}	
+				
+			// Bad XML - Content not under a Category
+			reqString = reqStrMainStart + reqStrContentMdRecord + reqStrResourceStart + reqStrResourceEnd + reqStrActionStart + reqStrActionEnd + reqStrMainEnd;
+				tFile = File.createTempFile("functionJunit", "request");
+				bw = new BufferedWriter(new FileWriter(tFile));
+				bw.append(reqString);
+				bw.flush();
+				bw.close();
+			try {
+				requestContentMisplaced = DOMRequest.load(tFile);
+					tFile.delete();
+			} catch (com.att.research.xacml.std.dom.DOMStructureException e) {
+				// this is what it should do, so just continue
+			} catch (Exception e) {
+				fail("Unexpected exception for bad XML, e="+e);
+			}
+				
+			// Bad XML - Content is not valid XML
+			reqString = reqStrMainResourceStart + reqStrMalformedContent + reqStrResourceAllEnd;
+				tFile = File.createTempFile("functionJunit", "request");
+				bw = new BufferedWriter(new FileWriter(tFile));
+				bw.append(reqString);
+				bw.flush();
+				bw.close();
+			try {
+				requestMalformedContent = DOMRequest.load(tFile);
+					tFile.delete();
+			} catch (com.att.research.xacml.std.dom.DOMStructureException e) {
+				// this is what it should do, so just continue
+			} catch (Exception e) {
+				fail("Unexpected exception for bad XML, e="+e);
+			}
+			
+		} catch (Exception e) {
+			fail("Constructor initializing variables, e="+ e + "  cause="+e.getCause());
+		}
+		
+	}
+	
+
+	
+	
+	
+	
+	
+	
+	@Test
+	public void testXpath_node_count() {
+
+
+		
+		FunctionDefinitionXPath<?> fd = (FunctionDefinitionXPath<?>) StdFunctions.FD_XPATH_NODE_COUNT;
+		
+		// check identity and type of the thing created
+		assertEquals(XACML3.ID_FUNCTION_XPATH_NODE_COUNT, fd.getId());
+		assertEquals(DataTypes.DT_XPATHEXPRESSION.getId(), fd.getDataTypeArgs().getId());
+		assertEquals(DataTypes.DT_INTEGER.getId(), fd.getDataTypeId());
+		
+		// just to be safe...  If tests take too long these can probably be eliminated
+		assertFalse(fd.returnsBag());
+		assertEquals(new Integer(1), fd.getNumArgs());
+		
+
+		// match all elements within context
+		arguments.clear();
+		arguments.add(attrXSlashSlashStar);
+		ExpressionResult res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		BigInteger resValue = (BigInteger)res.getValue().getValue();
+		assertEquals(new BigInteger("18"), resValue);
+	
+		// match exactly 1 element
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdMalignancy);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (BigInteger)res.getValue().getValue();
+		assertEquals(new BigInteger("1"), resValue);
+		
+		// match a few but not all
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (BigInteger)res.getValue().getValue();
+		assertEquals(new BigInteger("2"), resValue);
+		
+		
+		// verify variables using in other tests: count nodes immediately under md:record
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecordSlashStar);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (BigInteger)res.getValue().getValue();
+		assertEquals(new BigInteger("3"), resValue);
+		
+		// verify variables using in other tests: count number of records containing patient_info
+		arguments.clear();
+		arguments.add(attrXMdPatientInfo);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (BigInteger)res.getValue().getValue();
+		assertEquals(new BigInteger("1"), resValue);
+		
+		// verify variables using in other tests: count number of records containing md:name
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (BigInteger)res.getValue().getValue();
+		assertEquals(new BigInteger("2"), resValue);
+		
+		// verify variables using in other tests: count number of records containing md:malignancy
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdMalignancy);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (BigInteger)res.getValue().getValue();
+		assertEquals(new BigInteger("1"), resValue);
+		
+		
+		
+		
+		// match no element
+		arguments.clear();
+		arguments.add(attrXNotInRequest);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (BigInteger)res.getValue().getValue();
+		assertEquals(new BigInteger("0"), resValue);
+		
+		// Resources included twice
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestDoubleResources, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-count More than one Content section for id 'urn:oasis:names:tc:xacml:3.0:attribute-category:resource'", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:syntax-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+
+		// Content in both Resource and Action categories (ok)
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestResourceActionContent, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (BigInteger)res.getValue().getValue();
+		assertEquals(new BigInteger("2"), resValue);
+
+		// Content only in Action category (missing in Resources -> 0 according to spec)
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestContentInAction, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (BigInteger)res.getValue().getValue();
+		assertEquals(new BigInteger("0"), resValue);
+
+		
+
+		
+//TODO - any other tests????
+		
+		// null Evaluation Context
+		arguments.clear();
+		arguments.add(attrXEmpty);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-count Got null EvaluationContext", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// null Request
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(null, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-count Got null Request in EvaluationContext", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// null attribute
+		arguments.clear();
+		arguments.add(attrXnull);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-count Got null attribute at arg index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// no value
+		arguments.clear();
+		arguments.add(attrXNoValue);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-count XPathExpression returned null at index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// no category
+		arguments.clear();
+		arguments.add(attrXNoCategory);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-count Got null Category at index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:syntax-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+
+		// too many args
+		arguments.clear();
+		arguments.add(attrXEmpty);
+		arguments.add(attrXEmpty);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-count Expected 1 arguments, got 2", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// too few args
+		arguments.clear();
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-count Expected 1 arguments, got 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// bad arg type
+		arguments.clear();
+		arguments.add(attrBadType);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-count Expected data type 'xpathExpression' saw 'string' at arg index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// null args
+		arguments.clear();
+		arguments.add(null);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-count Got null argument at arg index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+	}
+
+	
+	@Test
+	public void testXpath_node_equal() {
+
+		
+		FunctionDefinitionXPath<?> fd = (FunctionDefinitionXPath<?>) StdFunctions.FD_XPATH_NODE_EQUAL;
+		
+		// check identity and type of the thing created
+		assertEquals(XACML3.ID_FUNCTION_XPATH_NODE_EQUAL, fd.getId());
+		assertEquals(DataTypes.DT_XPATHEXPRESSION.getId(), fd.getDataTypeArgs().getId());
+		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
+		
+		// just to be safe...  If tests take too long these can probably be eliminated
+		assertFalse(fd.returnsBag());
+		assertEquals(new Integer(2), fd.getNumArgs());
+		
+		
+		// test normal success - exactly the same set
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXSlashSlashMdName);
+		ExpressionResult res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		Boolean resValue = (Boolean)res.getValue().getValue();
+		assertTrue(resValue);
+		
+		// success - second list is subset of first list
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecordSlashStar);
+		arguments.add(attrXMdPatientInfo);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertTrue(resValue);
+		
+		// success - first list is subset of second list
+		arguments.clear();
+		arguments.add(attrXMdPatientInfo);
+		arguments.add(attrXSlashSlashMdRecordSlashStar);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertTrue(resValue);
+		
+		// success - second list contains children of first list
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);
+		
+		// success - first list contains children of second list
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);
+		
+
+		
+		// two non-overlapping sets
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdMalignancy);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);
+		
+		// first list contains nothing
+		arguments.clear();
+		arguments.add(attrXNotInRequest);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);
+		
+		// second list contains nothing
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXNotInRequest);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);		
+		
+		
+		
+//TODO	
+		//?????
+		///??????? add real tests
+		//////
+		
+		
+		// Resources included twice
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestDoubleResources, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal More than one Content section for id 'urn:oasis:names:tc:xacml:3.0:attribute-category:resource'", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:syntax-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		
+
+		// Content in both Resource and Action categories (ok)
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestResourceActionContent, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertTrue(resValue);
+
+		// Content only in Action category (missing in Resources -> 0 according to spec)
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestContentInAction, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);
+		
+		
+		// null Evaluation Context
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Got null EvaluationContext", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// null Request
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(null, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Got null Request in EvaluationContext", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// null attribute
+		arguments.clear();
+		arguments.add(attrXnull);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Got null attribute at arg index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXnull);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Got null attribute at arg index 1", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// no value
+		arguments.clear();
+		arguments.add(attrXNoValue);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal XPathExpression returned null at index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXNoValue);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal XPathExpression returned null at index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// no category
+		arguments.clear();
+		arguments.add(attrXNoCategory);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Got null Category at index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:syntax-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXNoCategory);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal XPathExpression returned null at index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// too many args
+		arguments.clear();
+		arguments.add(attrXEmpty);
+		arguments.add(attrXEmpty);
+		arguments.add(attrXEmpty);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Expected 2 arguments, got 3", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// too few args
+		arguments.clear();
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Expected 2 arguments, got 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(attrXEmpty);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Expected 2 arguments, got 1", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+			
+		// bad arg type
+		arguments.clear();
+		arguments.add(attrBadType);
+		arguments.add(attrXEmpty);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Expected data type 'xpathExpression' saw 'string' at arg index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(attrXEmpty);
+		arguments.add(attrBadType);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Expected data type 'xpathExpression' saw 'string' at arg index 1", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// null args
+		arguments.clear();
+		arguments.add(attrXEmpty);
+		arguments.add(null);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Got null argument at arg index 1", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(null);
+		arguments.add(attrXEmpty);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-equal Got null argument at arg index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+	}
+	
+	
+	
+	
+	@Test
+	public void testXpath_node_match() {
+
+		
+		FunctionDefinitionXPath<?> fd = (FunctionDefinitionXPath<?>) StdFunctions.FD_XPATH_NODE_MATCH;
+		
+		// check identity and type of the thing created
+		assertEquals(XACML3.ID_FUNCTION_XPATH_NODE_MATCH, fd.getId());
+		assertEquals(DataTypes.DT_XPATHEXPRESSION.getId(), fd.getDataTypeArgs().getId());
+		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
+		
+		// just to be safe...  If tests take too long these can probably be eliminated
+		assertFalse(fd.returnsBag());
+		assertEquals(new Integer(2), fd.getNumArgs());
+		
+		
+		// test normal success - exactly the same set
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXSlashSlashMdName);
+		ExpressionResult res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		Boolean resValue = (Boolean)res.getValue().getValue();
+		assertTrue(resValue);
+		
+		// success - second list is subset of first list
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecordSlashStar);
+		arguments.add(attrXMdPatientInfo);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertTrue(resValue);
+		
+		// success - first list is subset of second list
+		arguments.clear();
+		arguments.add(attrXMdPatientInfo);
+		arguments.add(attrXSlashSlashMdRecordSlashStar);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertTrue(resValue);
+		
+		// success - second list contains children of first list
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertTrue(resValue);
+		
+		// success - first list contains children of second list
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);
+		
+		
+		
+		// two non-overlapping sets
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdMalignancy);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);
+		
+		// first list contains nothing
+		arguments.clear();
+		arguments.add(attrXNotInRequest);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);
+		
+		// second list contains nothing
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXNotInRequest);
+		res = fd.evaluate(new StdEvaluationContext(requestMdRecord, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);	
+		
+//TODO		
+		//?????
+		///??????? add real tests
+		//////
+		
+		
+		// Resources included twice
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestDoubleResources, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match More than one Content section for id 'urn:oasis:names:tc:xacml:3.0:attribute-category:resource'", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:syntax-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+
+		// Content in both Resource and Action categories (ok)
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestResourceActionContent, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertTrue(resValue);
+
+		// Content only in Action category (missing in Resources -> 0 according to spec)
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdName);
+		arguments.add(attrXSlashSlashMdName);
+		res = fd.evaluate(new StdEvaluationContext(requestContentInAction, null, null), arguments);
+		assertTrue(res.isOk());
+		resValue = (Boolean)res.getValue().getValue();
+		assertFalse(resValue);
+		
+		
+		// null Evaluation Context
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Got null EvaluationContext", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// null Request
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(null, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Got null Request in EvaluationContext", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// null attribute
+		arguments.clear();
+		arguments.add(attrXnull);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Got null attribute at arg index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXnull);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Got null attribute at arg index 1", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// no value
+		arguments.clear();
+		arguments.add(attrXNoValue);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match XPathExpression returned null at index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXNoValue);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match XPathExpression returned null at index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// no category
+		arguments.clear();
+		arguments.add(attrXNoCategory);
+		arguments.add(attrXSlashSlashMdRecord);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Got null Category at index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:syntax-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(attrXSlashSlashMdRecord);
+		arguments.add(attrXNoCategory);
+		res = fd.evaluate(new StdEvaluationContext(requestEmpty, null, null), arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match XPathExpression returned null at index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// too many args
+		arguments.clear();
+		arguments.add(attrXEmpty);
+		arguments.add(attrXEmpty);
+		arguments.add(attrXEmpty);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Expected 2 arguments, got 3", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// too few args
+		arguments.clear();
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Expected 2 arguments, got 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(attrXEmpty);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Expected 2 arguments, got 1", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+			
+		// bad arg type
+		arguments.clear();
+		arguments.add(attrBadType);
+		arguments.add(attrXEmpty);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Expected data type 'xpathExpression' saw 'string' at arg index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(attrXEmpty);
+		arguments.add(attrBadType);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Expected data type 'xpathExpression' saw 'string' at arg index 1", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		// null args
+		arguments.clear();
+		arguments.add(attrXEmpty);
+		arguments.add(null);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Got null argument at arg index 1", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		arguments.clear();
+		arguments.add(null);
+		arguments.add(attrXEmpty);
+		res = fd.evaluate(null, arguments);
+		assertFalse(res.getStatus().isOk());
+		assertEquals( "function:xpath-node-match Got null argument at arg index 0", res.getStatus().getStatusMessage());
+		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
+		
+		
+		
+	}
+	
+
+	
+	//
+	// DEPRECATED versions that use String arguments rather than XPATHEXPRESSIONs
+	// are NOT supported due to ambiguity in the semantics between 2.0 (<Request> is root and has only one <Content> in resources)
+	//	and 3.0 (<Content> is root and there are multiple <Content> sections in any category)
+	//
+	
+
+	
+}