/*-
 * ============LICENSE_START=======================================================
 * ECOMP-PDP
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.policy.pdp.test;

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.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

import org.junit.Test;

import com.att.research.xacml.api.XACML3;
import com.att.research.xacml.std.datatypes.DataTypes;
import com.att.research.xacml.std.datatypes.ISO8601Date;
import com.att.research.xacml.std.datatypes.ISO8601DateTime;
import com.att.research.xacml.std.datatypes.ISO8601Time;
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.StdFunctions;
import com.att.research.xacmlatt.pdp.std.functions.*;

/**
 * Test FunctionDefinitionComparison
 * 
 * TO RUN - use jUnit
 * In Eclipse select this file or the enclosing directory, right-click and select Run As/JUnit Test
 * 
 *
 */
public class FunctionDefinitionComparisonTest {

	/*
	 * variables useful in the following tests
	 */
	List<FunctionArgument> arguments = new ArrayList<FunctionArgument>();
	
	FunctionArgumentAttributeValue stringAttr1 = null;
	FunctionArgumentAttributeValue stringAttr1a = null;
	FunctionArgumentAttributeValue stringAttr2 = null;
	FunctionArgumentAttributeValue stringAttrNeg1 = null;


	FunctionArgumentAttributeValue intAttr1 = null;
	FunctionArgumentAttributeValue intAttr1a = null;
	FunctionArgumentAttributeValue intAttr2 = null;
	FunctionArgumentAttributeValue intAttr0 = null;
	FunctionArgumentAttributeValue intAttrNeg1 = null;
	
	FunctionArgumentAttributeValue attr1 = null;
	FunctionArgumentAttributeValue attr1a = null;
	FunctionArgumentAttributeValue attr2 = null;
	FunctionArgumentAttributeValue attrNeg1 = null;
	
	FunctionArgumentAttributeValue attrDateToday = null;
	FunctionArgumentAttributeValue attrDateSameDay = null;
	FunctionArgumentAttributeValue attrDateTommorrow = null;
	FunctionArgumentAttributeValue attrDateYesterday = null;
	FunctionArgumentAttributeValue attrDateWithTimeZone = null;
	FunctionArgumentAttributeValue attrDateNoTimeZone = null;

	
	FunctionArgumentAttributeValue attrTimeToday = null;
	FunctionArgumentAttributeValue attrTimeSameDay = null;
	FunctionArgumentAttributeValue attrTimeTommorrow = null;
	FunctionArgumentAttributeValue attrTimeYesterday = null;
	FunctionArgumentAttributeValue attrTimeWithTimeZone = null;
	FunctionArgumentAttributeValue attrTimeNoTimeZone = null;
	
	FunctionArgumentAttributeValue attrDateTimeToday = null;
	FunctionArgumentAttributeValue attrDateTimeSameDay = null;
	FunctionArgumentAttributeValue attrDateTimeTommorrow = null;
	FunctionArgumentAttributeValue attrDateTimeYesterday = null;
	FunctionArgumentAttributeValue attrDateTimeWithTimeZone = null;
	FunctionArgumentAttributeValue attrDateTimeNoTimeZone = null;
	
	/**
	 * Set up some common variables on startup
	 */
	public FunctionDefinitionComparisonTest() {
	try {
		stringAttr1 = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("abc"));
		stringAttr1a = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("abc"));
		stringAttr2 = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("def"));
		stringAttrNeg1 = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("AAA"));


		intAttr1 = new FunctionArgumentAttributeValue(DataTypes.DT_INTEGER.createAttributeValue(1));
		intAttr1a = new FunctionArgumentAttributeValue(DataTypes.DT_INTEGER.createAttributeValue(1));
		intAttr2 = new FunctionArgumentAttributeValue(DataTypes.DT_INTEGER.createAttributeValue(2));
		intAttr0 = new FunctionArgumentAttributeValue(DataTypes.DT_INTEGER.createAttributeValue(0));
		intAttrNeg1 = new FunctionArgumentAttributeValue(DataTypes.DT_INTEGER.createAttributeValue(-1));
		
		attr1 = new FunctionArgumentAttributeValue(DataTypes.DT_DOUBLE.createAttributeValue(1.0));
		attr1a = new FunctionArgumentAttributeValue(DataTypes.DT_DOUBLE.createAttributeValue(1.0));
		attr2 = new FunctionArgumentAttributeValue(DataTypes.DT_DOUBLE.createAttributeValue(2.4));
		attrNeg1 = new FunctionArgumentAttributeValue(DataTypes.DT_DOUBLE.createAttributeValue(-1.0));
		
		// create dates
		Calendar calendar = Calendar.getInstance();
		Date today = calendar.getTime();
		Date longAgo = new Date(1234);
		// create a date that is different than "today" but within the same day (i.e. has a different hour)
		if (calendar.get(Calendar.HOUR_OF_DAY) > 3) {
			calendar.set(Calendar.HOUR_OF_DAY, 3);
		} else {
			calendar.set(Calendar.HOUR_OF_DAY, 5);
		}
		Date todayPlus = calendar.getTime();
		calendar.add(Calendar.DATE, 1);
		Date tommorrow = calendar.getTime();
		attrDateToday = new FunctionArgumentAttributeValue(DataTypes.DT_DATE.createAttributeValue(today));
		attrDateSameDay = new FunctionArgumentAttributeValue(DataTypes.DT_DATE.createAttributeValue(todayPlus));
		attrDateTommorrow = new FunctionArgumentAttributeValue(DataTypes.DT_DATE.createAttributeValue(tommorrow));
		attrDateYesterday = new FunctionArgumentAttributeValue(DataTypes.DT_DATE.createAttributeValue(longAgo));
		ISO8601Date isoDate = new ISO8601Date(1920, 5, 8);
		attrDateNoTimeZone = new FunctionArgumentAttributeValue(DataTypes.DT_DATE.createAttributeValue(isoDate));
		isoDate = new ISO8601Date("GMT+00:02", 1920, 5, 8);
		attrDateWithTimeZone = new FunctionArgumentAttributeValue(DataTypes.DT_DATE.createAttributeValue(isoDate));
		
		// create Times
		ISO8601Time isoTime = new ISO8601Time(14, 43, 12, 145);
		attrTimeToday = new FunctionArgumentAttributeValue(DataTypes.DT_TIME.createAttributeValue(isoTime));
		attrTimeSameDay = new FunctionArgumentAttributeValue(DataTypes.DT_TIME.createAttributeValue(isoTime));
		isoTime = new ISO8601Time(18, 53, 34, 423);
		attrTimeTommorrow = new FunctionArgumentAttributeValue(DataTypes.DT_TIME.createAttributeValue(isoTime));
		isoTime = new ISO8601Time(7, 34, 6,543);
		attrTimeYesterday = new FunctionArgumentAttributeValue(DataTypes.DT_TIME.createAttributeValue(isoTime));
		isoTime = new ISO8601Time(12, 12, 12, 12);
		attrTimeNoTimeZone = new FunctionArgumentAttributeValue(DataTypes.DT_TIME.createAttributeValue(isoTime));
		isoTime = new ISO8601Time("GMT:+00:03", 12, 12, 12, 12);
		attrTimeWithTimeZone = new FunctionArgumentAttributeValue(DataTypes.DT_TIME.createAttributeValue(isoTime));
		
		// create DateTimes
		isoDate = new ISO8601Date(1920, 5, 8);
		isoTime = new ISO8601Time( 18, 53, 34, 423);
		ISO8601DateTime isoDateTime = new ISO8601DateTime((String)null, 1920, 5, 8, 18, 53, 34, 423);
		attrDateTimeToday = new FunctionArgumentAttributeValue(DataTypes.DT_DATETIME.createAttributeValue(isoDateTime));
		attrDateTimeSameDay = new FunctionArgumentAttributeValue(DataTypes.DT_DATETIME.createAttributeValue(isoDateTime));
		isoTime = new ISO8601Time(20, 53, 34, 423);
		isoDateTime = new ISO8601DateTime((String)null, 1920, 5, 8, 20, 53, 34, 423);
		attrDateTimeTommorrow = new FunctionArgumentAttributeValue(DataTypes.DT_DATETIME.createAttributeValue(isoDateTime));
		isoTime = new ISO8601Time(7, 34, 6,543);
		isoDateTime = new ISO8601DateTime((String)null, 1920, 5, 8, 7, 34, 6, 543);
		attrDateTimeYesterday = new FunctionArgumentAttributeValue(DataTypes.DT_DATETIME.createAttributeValue(isoDateTime));
		isoTime = new ISO8601Time(12, 12, 12, 12);
		isoDateTime = new ISO8601DateTime((String)null, 1920, 5, 8, 12, 12, 12, 12);
		attrDateTimeNoTimeZone = new FunctionArgumentAttributeValue(DataTypes.DT_DATETIME.createAttributeValue(isoDateTime));
		isoTime = new ISO8601Time("GMT:+00:03", 12, 12, 12, 12);
		isoDate = new ISO8601Date("GMT:+00:03", 1920, 5, 8);
		isoDateTime = new ISO8601DateTime("GMT:+00:03", 1920, 5, 8, 12, 12, 12, 12);
		attrDateTimeWithTimeZone = new FunctionArgumentAttributeValue(DataTypes.DT_DATETIME.createAttributeValue(isoDateTime));
		
		
		
		
	} catch (Exception e) {
		fail("Error creating values e="+ e);
	}
	}
	
	/**
	 * String
	 */
	@Test
	public void testString_GT() {
		
		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_STRING_GREATER_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_STRING_GREATER_THAN, fd.getId());
		assertEquals(DataTypes.DT_STRING.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(stringAttr1);
		arguments.add(stringAttr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// check first < second
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(stringAttr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(stringAttrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// test bad args data types?  Not needed?
		arguments.clear();
		arguments.add(intAttr1);
		arguments.add(stringAttr1);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());
	}
	
	@Test
	public void testString_GTE() {
		
		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_STRING_GREATER_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_STRING_GREATER_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_STRING.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(stringAttr1);
		arguments.add(stringAttr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// check first < second
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(stringAttr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(stringAttrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
	}
	
	@Test
	public void testString_LT() {
		
		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_STRING_LESS_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_STRING_LESS_THAN, fd.getId());
		assertEquals(DataTypes.DT_STRING.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(stringAttr1);
		arguments.add(stringAttr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// check first < second
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(stringAttr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(stringAttrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}
	
	@Test
	public void testString_LTE() {
		
		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_STRING_LESS_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_STRING_LESS_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_STRING.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(stringAttr1);
		arguments.add(stringAttr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// check first < second
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(stringAttr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(stringAttrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}

	
	
	/**
	 * Integer
	 */
	@Test
	public void testInteger_GT() {
		
		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_INTEGER_GREATER_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_INTEGER_GREATER_THAN, fd.getId());
		assertEquals(DataTypes.DT_INTEGER.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(intAttr1);
		arguments.add(intAttr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// check first < second
		arguments.clear();
		arguments.add(intAttr1);
		arguments.add(intAttr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(intAttr1);
		arguments.add(intAttrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// test bad args data types?  Not needed?
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(intAttr1);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());
	}
	
	@Test
	public void testInteger_GTE() {
		
		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_INTEGER_GREATER_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_INTEGER_GREATER_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_INTEGER.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(intAttr1);
		arguments.add(intAttr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// check first < second
		arguments.clear();
		arguments.add(intAttr1);
		arguments.add(intAttr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(intAttr1);
		arguments.add(intAttrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
	}
	
	@Test
	public void testInteger_LT() {
		
		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_INTEGER_LESS_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_INTEGER_LESS_THAN, fd.getId());
		assertEquals(DataTypes.DT_INTEGER.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(intAttr1);
		arguments.add(intAttr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// check first < second
		arguments.clear();
		arguments.add(intAttr1);
		arguments.add(intAttr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(intAttr1);
		arguments.add(intAttrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}
	
	@Test
	public void testInteger_LTE() {
		
		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_INTEGER_LESS_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_INTEGER_LESS_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_INTEGER.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(intAttr1);
		arguments.add(intAttr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// check first < second
		arguments.clear();
		arguments.add(intAttr1);
		arguments.add(intAttr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(intAttr1);
		arguments.add(intAttrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}
	
	
	
	
	/**
	 * Double
	 */
	@Test
	public void testDouble_GT() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DOUBLE_GREATER_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DOUBLE_GREATER_THAN, fd.getId());
		assertEquals(DataTypes.DT_DOUBLE.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attr1);
		arguments.add(attr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// first < second
		arguments.clear();
		arguments.add(attr1);
		arguments.add(attr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attr1);
		arguments.add(attrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// test bad args data types?  Not needed?
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(intAttr1);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());

	}
	
	@Test
	public void testDouble_GTE() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DOUBLE_GREATER_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DOUBLE_GREATER_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_DOUBLE.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attr1);
		arguments.add(attr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// first < second
		arguments.clear();
		arguments.add(attr1);
		arguments.add(attr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attr1);
		arguments.add(attrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
	}
	
	@Test
	public void testDouble_LT() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DOUBLE_LESS_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DOUBLE_LESS_THAN, fd.getId());
		assertEquals(DataTypes.DT_DOUBLE.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attr1);
		arguments.add(attr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// first < second
		arguments.clear();
		arguments.add(attr1);
		arguments.add(attr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attr1);
		arguments.add(attrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}
	
	@Test
	public void testDouble_LTE() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DOUBLE_LESS_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DOUBLE_LESS_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_DOUBLE.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attr1);
		arguments.add(attr1a);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// first < second
		arguments.clear();
		arguments.add(attr1);
		arguments.add(attr2);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attr1);
		arguments.add(attrNeg1);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}

	
	
	/**
	 * Date
	 */
	
	@Test
	public void testDate_GT() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DATE_GREATER_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DATE_GREATER_THAN, fd.getId());
		assertEquals(DataTypes.DT_DATE.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrDateToday);
		arguments.add(attrDateSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrDateToday);
		arguments.add(attrDateTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrDateToday);
		arguments.add(attrDateYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// test bad args data types?  One with TimeZone and one without
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(intAttr1);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());

		// test with TimeZone vs without
		arguments.clear();
		arguments.add(attrDateWithTimeZone);
		arguments.add(attrDateNoTimeZone);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());
		assertEquals("function:date-greater-than Cannot compare this ISO8601DateTime with non-time-zoned ISO8601DateTime", res.getStatus().getStatusMessage());
		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
	

	}

	@Test
	public void testDate_GTE() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DATE_GREATER_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DATE_GREATER_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_DATE.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrDateToday);
		arguments.add(attrDateSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrDateToday);
		arguments.add(attrDateTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrDateToday);
		arguments.add(attrDateYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
	}
	
	@Test
	public void testDate_LT() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DATE_LESS_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DATE_LESS_THAN, fd.getId());
		assertEquals(DataTypes.DT_DATE.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrDateToday);
		arguments.add(attrDateSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrDateToday);
		arguments.add(attrDateTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrDateToday);
		arguments.add(attrDateYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}
	
	@Test
	public void testDate_LTE() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DATE_LESS_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DATE_LESS_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_DATE.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());

		// first == second
		arguments.add(attrDateToday);
		arguments.add(attrDateSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrDateToday);
		arguments.add(attrDateTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrDateToday);
		arguments.add(attrDateYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}
	
	
	
	
	
	
	
	/**
	 * Time
	 */
	
	@Test
	public void testTime_GT() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_TIME_GREATER_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_TIME_GREATER_THAN, fd.getId());
		assertEquals(DataTypes.DT_TIME.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrTimeToday);
		arguments.add(attrTimeSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrTimeToday);
		arguments.add(attrTimeTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrTimeToday);
		arguments.add(attrTimeYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// test bad args data types?  One with TimeZone and one without
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(intAttr1);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());

		// test with TimeZone vs without
		arguments.clear();
		arguments.add(attrTimeWithTimeZone);
		arguments.add(attrTimeNoTimeZone);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());
		assertEquals("function:time-greater-than Cannot compare this ISO8601DateTime with non-time-zoned ISO8601DateTime", res.getStatus().getStatusMessage());
		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
	

	}
	
	@Test
	public void testTime_GTE() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_TIME_GREATER_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_TIME_GREATER_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_TIME.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrTimeToday);
		arguments.add(attrTimeSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrTimeToday);
		arguments.add(attrTimeTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrTimeToday);
		arguments.add(attrTimeYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
	}
	
	@Test
	public void testTime_LT() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_TIME_LESS_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_TIME_LESS_THAN, fd.getId());
		assertEquals(DataTypes.DT_TIME.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrTimeToday);
		arguments.add(attrTimeSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrTimeToday);
		arguments.add(attrTimeTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrTimeToday);
		arguments.add(attrTimeYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}
	
	@Test
	public void testTime_LTE() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_TIME_LESS_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_TIME_LESS_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_TIME.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrTimeToday);
		arguments.add(attrTimeSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrTimeToday);
		arguments.add(attrTimeTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrTimeToday);
		arguments.add(attrTimeYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}
	
	
	
	
	
	/**
	 * Time-in-range
	 */
	@Test
	public void testTime_in_range() {

		FunctionDefinitionTimeInRange<?> fd = (FunctionDefinitionTimeInRange<?>) StdFunctions.FD_TIME_IN_RANGE;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_TIME_IN_RANGE, fd.getId());
		assertEquals(DataTypes.DT_TIME.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(3), fd.getNumArgs());
		
		// arg 0 in range of others
		arguments.add(attrTimeToday);
		arguments.add(attrTimeYesterday);
		arguments.add(attrTimeTommorrow);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// below range
		arguments.clear();
		arguments.add(attrTimeYesterday);
		arguments.add(attrTimeToday);
		arguments.add(attrTimeTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// above range
		arguments.clear();
		arguments.add(attrTimeTommorrow);
		arguments.add(attrTimeYesterday);
		arguments.add(attrTimeToday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// range bad
		arguments.clear();
		arguments.add(attrTimeToday);
		arguments.add(attrTimeTommorrow);
		arguments.add(attrTimeYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// bad types
		arguments.clear();
		arguments.add(attrDateTimeWithTimeZone);
		arguments.add(attrDateTimeNoTimeZone);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());
		assertEquals("function:time-in-range Expected 3 arguments, got 2", res.getStatus().getStatusMessage());
		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
	
		arguments.clear();
		arguments.add(attrDateTimeWithTimeZone);
		arguments.add(attrDateTimeNoTimeZone);
		arguments.add(intAttr1);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());
		assertEquals("function:time-in-range Expected data type 'time' saw 'dateTime' at arg index 0", res.getStatus().getStatusMessage());
		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
	
	}

	
	
	
	
	
	/**
	 * DateTime
	 */
	
	@Test
	public void testDateTime_GT() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DATETIME_GREATER_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DATETIME_GREATER_THAN, fd.getId());
		assertEquals(DataTypes.DT_DATETIME.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// test bad args data types?  One with TimeZone and one without
		arguments.clear();
		arguments.add(stringAttr1);
		arguments.add(intAttr1);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());

		// test with TimeZone vs without
		arguments.clear();
		arguments.add(attrDateTimeWithTimeZone);
		arguments.add(attrDateTimeNoTimeZone);
		res = fd.evaluate(null, arguments);
		assertFalse(res.isOk());
		assertEquals("function:dateTime-greater-than Cannot compare this ISO8601DateTime with non-time-zoned ISO8601DateTime", res.getStatus().getStatusMessage());
		assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode().getStatusCodeValue().stringValue());
	

	}
	
	@Test
	public void testDateTime_GTE() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DATETIME_GREATER_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DATETIME_GREATER_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_DATETIME.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
	}
	
	@Test
	public void testDateTime_LT() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DATETIME_LESS_THAN;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DATETIME_LESS_THAN, fd.getId());
		assertEquals(DataTypes.DT_DATETIME.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}
	
	@Test
	public void testDateTime_LTE() {

		FunctionDefinitionComparison<?> fd = (FunctionDefinitionComparison<?>) StdFunctions.FD_DATETIME_LESS_THAN_OR_EQUAL;
		
		// check identity and type of the thing created
		assertEquals(XACML3.ID_FUNCTION_DATETIME_LESS_THAN_OR_EQUAL, fd.getId());
		assertEquals(DataTypes.DT_DATETIME.getId(), fd.getDataTypeArgs().getId());
		
		// just to be safe...  If tests take too long these can probably be eliminated
		assertEquals(DataTypes.DT_BOOLEAN.getId(), fd.getDataTypeId());
		assertFalse(fd.returnsBag());
		assertEquals(new Integer(2), fd.getNumArgs());
		
		// first == second
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeSameDay);
		ExpressionResult res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		Boolean resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);

		// first < second
		arguments.clear();
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeTommorrow);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertTrue(resValue);
		
		// first > second
		arguments.clear();
		arguments.add(attrDateTimeToday);
		arguments.add(attrDateTimeYesterday);
		res = fd.evaluate(null, arguments);
		assertTrue(res.isOk());
		resValue = (Boolean)res.getValue().getValue();
		assertFalse(resValue);
	}



}