/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package org.apache.struts2.views.jsp;

import java.io.File;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import javax.servlet.http.HttpSession;
import javax.servlet.jsp.JspWriter;

import org.apache.struts2.ServletActionContext;
import org.apache.struts2.components.URL;
import org.apache.struts2.dispatcher.ApplicationMap;
import org.apache.struts2.dispatcher.Dispatcher;
import org.apache.struts2.dispatcher.HttpParameters;
import org.apache.struts2.dispatcher.RequestMap;
import org.apache.struts2.dispatcher.SessionMap;
import org.apache.struts2.dispatcher.mapper.ActionMapping;
import org.apache.struts2.dispatcher.mapper.DefaultActionMapper;

import com.mockobjects.dynamic.Mock;
import com.mockobjects.servlet.MockBodyContent;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionProxy;
import com.opensymphony.xwork2.DefaultActionInvocation;
import com.opensymphony.xwork2.DefaultActionProxyFactory;
import com.opensymphony.xwork2.inject.Container;

/**
 * Unit test for {@link URLTag}.
 *
 */
public class URLTagTest extends AbstractUITagTest {

    private URLTag tag;


    /**
     * To test priority of parameter passed in to url component though
     * various way
     *  - current request url
     *  - tag's value attribute
     *  - tag's nested param tag
     *
     * id1
     * ===
     * - found in current request url
     * - found in tag's value attribute
     * - found in tag's param tag
     * CONCLUSION: tag's param tag takes precedence (paramId1)
     *
     * id2
     * ===
     * - found in current request url
     * - found in tag's value attribute
     * CONCLUSION: tag's value attribute take precedence (tagId2)
     *
     * urlParam1
     * =========
     * - found in current request url
     * CONCLUSION: param in current request url will be used (urlValue1)
     *
     * urlParam2
     * =========
     * - found in current request url
     * CONCLUSION: param in current request url will be used. (urlValue2)
     *
     * tagId
     * =====
     * - found in tag's value attribute
     * CONCLUSION: param in tag's value attribute wil; be used. (tagValue)
     *
     * param1
     * ======
     * - found in nested param tag
     * CONCLUSION: param in nested param tag will be used. (param1value)
     *
     * param2
     * ======
     * - found in nested param tag
     * CONCLUSION: param in nested param tag will be used. (param2value)
     */
    public void testParametersPriority() throws Exception {
        request.setQueryString("id1=urlId1&id2=urlId2&urlParam1=urlValue1&urlParam2=urlValue2");

        tag.setValue("testAction.action?id1=tagId1&id2=tagId2&tagId=tagValue");

        ParamTag param1 = new ParamTag();
        param1.setPageContext(pageContext);
        param1.setName("param1");
        param1.setValue("%{'param1value'}");

        ParamTag param2 = new ParamTag();
        param2.setPageContext(pageContext);
        param2.setName("param2");
        param2.setValue("%{'param2value'}");

        ParamTag param3 = new ParamTag();
        param3.setPageContext(pageContext);
        param3.setName("id1");
        param3.setValue("%{'paramId1'}");


        tag.doStartTag();
        param1.doStartTag();
        param1.doEndTag();
        param2.doStartTag();
        param2.doEndTag();
        param3.doStartTag();
        param3.doEndTag();

        URL url = (URL) tag.getComponent();
        Map parameters = url.getParameters();


        assertNotNull(parameters);
        assertEquals(parameters.size(), 7);
        assertEquals(parameters.get("id1"), "paramId1");
        assertEquals(parameters.get("id2"), "tagId2");
        assertEquals(parameters.get("urlParam1"), "urlValue1");
        assertEquals(parameters.get("urlParam2"), "urlValue2");
        assertEquals(parameters.get("tagId"), "tagValue");
        assertEquals(parameters.get("param1"), "param1value");
        assertEquals(parameters.get("param2"), "param2value");

        tag.doEndTag();

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param1, freshParamTag));
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param2, freshParamTag));
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param3, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    /**
     * To test priority of parameter passed in to url component though
     * various way
     *  - current request url
     *  - tag's value attribute
     *  - tag's nested param tag
     *
     * id1
     * ===
     * - found in current request url
     * - found in tag's value attribute
     * - found in tag's param tag
     * CONCLUSION: tag's param tag takes precedence (paramId1)
     *
     * id2
     * ===
     * - found in current request url
     * - found in tag's value attribute
     * CONCLUSION: tag's value attribute take precedence (tagId2)
     *
     * urlParam1
     * =========
     * - found in current request url
     * CONCLUSION: param in current request url will be used (urlValue1)
     *
     * urlParam2
     * =========
     * - found in current request url
     * CONCLUSION: param in current request url will be used. (urlValue2)
     *
     * tagId
     * =====
     * - found in tag's value attribute
     * CONCLUSION: param in tag's value attribute wil; be used. (tagValue)
     *
     * param1
     * ======
     * - found in nested param tag
     * CONCLUSION: param in nested param tag will be used. (param1value)
     *
     * param2
     * ======
     * - found in nested param tag
     * CONCLUSION: param in nested param tag will be used. (param2value)
     */
    public void testParametersPriority_clearTagStateSet() throws Exception {
        request.setQueryString("id1=urlId1&id2=urlId2&urlParam1=urlValue1&urlParam2=urlValue2");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setValue("testAction.action?id1=tagId1&id2=tagId2&tagId=tagValue");

        ParamTag param1 = new ParamTag();
        param1.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        param1.setPageContext(pageContext);
        param1.setName("param1");
        param1.setValue("%{'param1value'}");

        ParamTag param2 = new ParamTag();
        param2.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        param2.setPageContext(pageContext);
        param2.setName("param2");
        param2.setValue("%{'param2value'}");

        ParamTag param3 = new ParamTag();
        param3.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        param3.setPageContext(pageContext);
        param3.setName("id1");
        param3.setValue("%{'paramId1'}");


        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        param1.doStartTag();
        setComponentTagClearTagState(param1, true);  // Ensure component tag state clearing is set true (to match tag).
        param1.doEndTag();
        param2.doStartTag();
        setComponentTagClearTagState(param2, true);  // Ensure component tag state clearing is set true (to match tag).
        param2.doEndTag();
        param3.doStartTag();
        setComponentTagClearTagState(param3, true);  // Ensure component tag state clearing is set true (to match tag).
        param3.doEndTag();

        URL url = (URL) tag.getComponent();
        Map parameters = url.getParameters();


        assertNotNull(parameters);
        assertEquals(parameters.size(), 7);
        assertEquals(parameters.get("id1"), "paramId1");
        assertEquals(parameters.get("id2"), "tagId2");
        assertEquals(parameters.get("urlParam1"), "urlValue1");
        assertEquals(parameters.get("urlParam2"), "urlValue2");
        assertEquals(parameters.get("tagId"), "tagValue");
        assertEquals(parameters.get("param1"), "param1value");
        assertEquals(parameters.get("param2"), "param2value");

        tag.doEndTag();

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPerformClearTagStateForTagPoolingServers(true);
        freshParamTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param1, freshParamTag));
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param2, freshParamTag));
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param3, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    /**
     * Use Iterable values as the value of the param tags
     */
    public void testIterableParameters() throws Exception {
        tag.setValue("/TestAction.action?p0=z");

        tag.doStartTag();
        //Iterable
        List<ValueHolder> list = new ArrayList<>();
        list.add(new ValueHolder("a"));
        list.add(new ValueHolder("b"));
        tag.component.addParameter("p1", list);

        //String[]
        tag.component.addParameter("p2", new String[] { "d", "e" });
        //ValueHolder[]
        tag.component.addParameter("p3", new ValueHolder[] {
                new ValueHolder("f"), new ValueHolder("g") });

        tag.doEndTag();

        assertEquals("/TestAction.action?p0=z&amp;p1=a&amp;p1=b&amp;p2=d&amp;p2=e&amp;p3=f&amp;p3=g", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    /**
     * Use Iterable values as the value of the param tags
     * @throws Exception
     */
    public void testIterableParameters_clearTagStateSet() throws Exception {
        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setValue("/TestAction.action?p0=z");

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        //Iterable
        List<ValueHolder> list = new ArrayList<ValueHolder>();
        list.add(new ValueHolder("a"));
        list.add(new ValueHolder("b"));
        tag.component.addParameter("p1", list);

        //String[]
        tag.component.addParameter("p2", new String[] { "d", "e" });
        //ValueHolder[]
        tag.component.addParameter("p3", new ValueHolder[] {
                new ValueHolder("f"), new ValueHolder("g") });

        tag.doEndTag();

        assertEquals("/TestAction.action?p0=z&amp;p1=a&amp;p1=b&amp;p2=d&amp;p2=e&amp;p3=f&amp;p3=g", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    /**
     * To test priority of parameter passed in to url component though
     * various way, with includeParams="NONE"
     *  - current request url
     *  - tag's value attribute
     *  - tag's nested param tag
     *
     *  In this case only parameters from the tag itself is taken into account.
     *  Those from request will not count, only those in tag's value attribute
     *  and nested param tag.
     */
    public void testParametersPriorityWithIncludeParamsAsNONE() throws Exception {
        request.setQueryString("id1=urlId1&id2=urlId2&urlParam1=urlValue1&urlParam2=urlValue2");

        tag.setValue("testAction.action?id1=tagId1&id2=tagId2&tagId=tagValue");
        tag.setIncludeParams("NONE");

        ParamTag param1 = new ParamTag();
        param1.setPageContext(pageContext);
        param1.setName("param1");
        param1.setValue("%{'param1value'}");

        ParamTag param2 = new ParamTag();
        param2.setPageContext(pageContext);
        param2.setName("param2");
        param2.setValue("%{'param2value'}");

        ParamTag param3 = new ParamTag();
        param3.setPageContext(pageContext);
        param3.setName("id1");
        param3.setValue("%{'paramId1'}");

        tag.doStartTag();
        param1.doStartTag();
        param1.doEndTag();
        param2.doStartTag();
        param2.doEndTag();
        param3.doStartTag();
        param3.doEndTag();

        URL url = (URL) tag.getComponent();
        Map parameters = url.getParameters();

        assertEquals(parameters.size(), 5);
        assertEquals(parameters.get("id1"), "paramId1");
        assertEquals(parameters.get("id2"), "tagId2");
        assertEquals(parameters.get("tagId"), "tagValue");
        assertEquals(parameters.get("param1"), "param1value");
        assertEquals(parameters.get("param2"), "param2value");

        tag.doEndTag();

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param1, freshParamTag));
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param2, freshParamTag));
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param3, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    /**
     * To test priority of parameter passed in to url component though
     * various way, with includeParams="NONE"
     *  - current request url
     *  - tag's value attribute
     *  - tag's nested param tag
     *
     *  In this case only parameters from the tag itself is taken into account.
     *  Those from request will not count, only those in tag's value attribute
     *  and nested param tag.
     *
     * @throws Exception
     */
    public void testParametersPriorityWithIncludeParamsAsNONE_clearTagStateSet() throws Exception {
        request.setQueryString("id1=urlId1&id2=urlId2&urlParam1=urlValue1&urlParam2=urlValue2");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setValue("testAction.action?id1=tagId1&id2=tagId2&tagId=tagValue");
        tag.setIncludeParams("NONE");

        ParamTag param1 = new ParamTag();
        param1.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        param1.setPageContext(pageContext);
        param1.setName("param1");
        param1.setValue("%{'param1value'}");

        ParamTag param2 = new ParamTag();
        param2.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        param2.setPageContext(pageContext);
        param2.setName("param2");
        param2.setValue("%{'param2value'}");

        ParamTag param3 = new ParamTag();
        param3.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        param3.setPageContext(pageContext);
        param3.setName("id1");
        param3.setValue("%{'paramId1'}");

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        param1.doStartTag();
        setComponentTagClearTagState(param1, true);  // Ensure component tag state clearing is set true (to match tag).
        param1.doEndTag();
        param2.doStartTag();
        setComponentTagClearTagState(param2, true);  // Ensure component tag state clearing is set true (to match tag).
        param2.doEndTag();
        param3.doStartTag();
        setComponentTagClearTagState(param3, true);  // Ensure component tag state clearing is set true (to match tag).
        param3.doEndTag();

        URL url = (URL) tag.getComponent();
        Map parameters = url.getParameters();

        assertEquals(parameters.size(), 5);
        assertEquals(parameters.get("id1"), "paramId1");
        assertEquals(parameters.get("id2"), "tagId2");
        assertEquals(parameters.get("tagId"), "tagValue");
        assertEquals(parameters.get("param1"), "param1value");
        assertEquals(parameters.get("param2"), "param2value");

        tag.doEndTag();

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPerformClearTagStateForTagPoolingServers(true);
        freshParamTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param1, freshParamTag));
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param2, freshParamTag));
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param3, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testIncludeParamsDefaultToGET() throws Exception {
        request.setQueryString("one=oneVal&two=twoVal&three=threeVal");

        // request parameter map should not have any effect, as includeParams
        // default to GET, which get its param from request.getQueryString()
        Map<String, String> tmp = new HashMap<>();
        tmp.put("one", "aaa");
        tmp.put("two", "bbb");
        tmp.put("three", "ccc");
        request.setParameterMap(tmp);

        tag.setValue("TestAction.acton");

        tag.doStartTag();

        URL url = (URL) tag.getComponent();
        Map parameters = url.getParameters();

        tag.doEndTag();

        assertEquals(parameters.get("one"), "oneVal");
        assertEquals(parameters.get("two"), "twoVal");
        assertEquals(parameters.get("three"), "threeVal");

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testIncludeParamsDefaultToGET_clearTagStateSet() throws Exception {
        request.setQueryString("one=oneVal&two=twoVal&three=threeVal");

        // request parameter map should not have any effect, as includeParams
        // default to GET, which get its param from request.getQueryString()
        Map tmp = new HashMap();
        tmp.put("one", "aaa");
        tmp.put("two", "bbb");
        tmp.put("three", "ccc");
        request.setParameterMap(tmp);

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setValue("TestAction.acton");

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).

        URL url = (URL) tag.getComponent();
        Map parameters = url.getParameters();

        tag.doEndTag();

        assertEquals(parameters.get("one"), "oneVal");
        assertEquals(parameters.get("two"), "twoVal");
        assertEquals(parameters.get("three"), "threeVal");

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testActionURL() throws Exception {
        tag.setValue("TestAction.action");

        tag.doStartTag();
        tag.doEndTag();
        assertEquals("TestAction.action", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testActionURL_clearTagStateSet() throws Exception {
        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setValue("TestAction.action");

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();
        assertEquals("TestAction.action", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testAddParameters() throws Exception {
        request.setAttribute("struts.request_uri", "/Test.action");

        request.setAttribute("struts.request_uri", "/TestAction.action");
        request.setQueryString("param0=value0");

        tag.doStartTag();
        tag.component.addParameter("param1", "value1");
        tag.component.addParameter("param2", "value2");
        tag.doEndTag();
        assertEquals("/TestAction.action?param0=value0&amp;param1=value1&amp;param2=value2", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        // URLTag clears component in doEndTag and has no additional state set here, so it compares as equal with the default tag clear state as well.
        assertTrue("Tag state after doEndTag() under default tag clear state is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testAddParameters_clearTagStateSet() throws Exception {
        request.setAttribute("struts.request_uri", "/Test.action");

        request.setAttribute("struts.request_uri", "/TestAction.action");
        request.setQueryString("param0=value0");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.component.addParameter("param1", "value1");
        tag.component.addParameter("param2", "value2");
        tag.doEndTag();
        assertEquals("/TestAction.action?param0=value0&amp;param1=value1&amp;param2=value2", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testEvaluateValue() throws Exception {
        Foo foo = new Foo();
        foo.setTitle("test");
        stack.push(foo);
        tag.setValue("%{title}");

        tag.doStartTag();
        tag.doEndTag();
        assertEquals("test", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testEvaluateValue_clearTagStateSet() throws Exception {
        Foo foo = new Foo();
        foo.setTitle("test");
        stack.push(foo);
        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setValue("%{title}");

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();
        assertEquals("test", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testHttps() throws Exception {
        request.setScheme("https");
        request.setServerName("localhost");
        request.setServerPort(443);

        tag.setValue("list-members.action");

        tag.doStartTag();
        tag.doEndTag();
        assertEquals("list-members.action", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testHttps_clearTagStateSet() throws Exception {
        request.setScheme("https");
        request.setServerName("localhost");
        request.setServerPort(443);

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setValue("list-members.action");

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();
        assertEquals("list-members.action", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testAnchor() throws Exception {
        request.setScheme("https");
        request.setServerName("localhost");
        request.setServerPort(443);

        tag.setValue("list-members.action");
        tag.setAnchor("test");

        tag.doStartTag();
        tag.doEndTag();
        assertEquals("list-members.action#test", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testAnchor_clearTagStateSet() throws Exception {
        request.setScheme("https");
        request.setServerName("localhost");
        request.setServerPort(443);

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setValue("list-members.action");
        tag.setAnchor("test");

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();
        assertEquals("list-members.action#test", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testParamPrecedence() throws Exception {
        request.setRequestURI("/context/someAction.action");
        request.setQueryString("id=22&name=John");

        URLTag urlTag = new URLTag();
        urlTag.setPageContext(pageContext);
        urlTag.setIncludeParams("get");
        urlTag.setEncode("%{false}");

        ParamTag paramTag = new ParamTag();
        paramTag.setPageContext(pageContext);
        paramTag.setName("id");
        paramTag.setValue("%{'33'}");

        urlTag.doStartTag();
        paramTag.doStartTag();
        paramTag.doEndTag();
        urlTag.doEndTag();

        assertEquals("/context/someAction.action?id=33&amp;name=John", writer.getBuffer().toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(paramTag, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(urlTag, freshTag));
    }

    public void testParamPrecedence_clearTagStateSet() throws Exception {
        request.setRequestURI("/context/someAction.action");
        request.setQueryString("id=22&name=John");

        URLTag urlTag = new URLTag();
        urlTag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        urlTag.setPageContext(pageContext);
        urlTag.setIncludeParams("get");
        urlTag.setEncode("%{false}");

        ParamTag paramTag = new ParamTag();
        paramTag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        paramTag.setPageContext(pageContext);
        paramTag.setName("id");
        paramTag.setValue("%{'33'}");

        urlTag.doStartTag();
        setComponentTagClearTagState(urlTag, true);  // Ensure component tag state clearing is set true (to match tag).
        paramTag.doStartTag();
        setComponentTagClearTagState(paramTag, true);  // Ensure component tag state clearing is set true (to match tag).
        paramTag.doEndTag();
        urlTag.doEndTag();

        assertEquals("/context/someAction.action?id=33&amp;name=John", writer.getBuffer().toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPerformClearTagStateForTagPoolingServers(true);
        freshParamTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(paramTag, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(urlTag, freshTag));
    }

    public void testParamPrecedenceWithAnchor() throws Exception {
        request.setRequestURI("/context/someAction.action");
        request.setQueryString("id=22&name=John");

        URLTag urlTag = new URLTag();
        urlTag.setPageContext(pageContext);
        urlTag.setIncludeParams("get");
        urlTag.setEncode("%{false}");
        urlTag.setAnchor("testAnchor");

        ParamTag paramTag = new ParamTag();
        paramTag.setPageContext(pageContext);
        paramTag.setName("id");
        paramTag.setValue("%{'33'}");

        urlTag.doStartTag();
        paramTag.doStartTag();
        paramTag.doEndTag();
        urlTag.doEndTag();

        assertEquals("/context/someAction.action?id=33&amp;name=John#testAnchor", writer.getBuffer().toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(paramTag, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(urlTag, freshTag));
    }

    public void testParamPrecedenceWithAnchor_clearTagStateSet() throws Exception {
        request.setRequestURI("/context/someAction.action");
        request.setQueryString("id=22&name=John");

        URLTag urlTag = new URLTag();
        urlTag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        urlTag.setPageContext(pageContext);
        urlTag.setIncludeParams("get");
        urlTag.setEncode("%{false}");
        urlTag.setAnchor("testAnchor");

        ParamTag paramTag = new ParamTag();
        paramTag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        paramTag.setPageContext(pageContext);
        paramTag.setName("id");
        paramTag.setValue("%{'33'}");

        urlTag.doStartTag();
        setComponentTagClearTagState(urlTag, true);  // Ensure component tag state clearing is set true (to match tag).
        paramTag.doStartTag();
        setComponentTagClearTagState(paramTag, true);  // Ensure component tag state clearing is set true (to match tag).
        paramTag.doEndTag();
        urlTag.doEndTag();

        assertEquals("/context/someAction.action?id=33&amp;name=John#testAnchor", writer.getBuffer().toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPerformClearTagStateForTagPoolingServers(true);
        freshParamTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(paramTag, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(urlTag, freshTag));
    }

    public void testPutId() throws Exception {
        tag.setValue("/public/about");
        assertEquals(null, stack.findString("myId")); // nothing in stack
        tag.setVar("myId");
        tag.doStartTag();
        tag.doEndTag();
        assertEquals("", writer.toString());
        assertEquals("/public/about", stack.findString("myId")); // is in stack now

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testPutId_clearTagStateSet() throws Exception {
        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setValue("/public/about");
        assertEquals(null, stack.findString("myId")); // nothing in stack
        tag.setVar("myId");
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();
        assertEquals("", writer.toString());
        assertEquals("/public/about", stack.findString("myId")); // is in stack now

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testUsingValueOnly() throws Exception {
        tag.setValue("/public/about/team.jsp");
        tag.doStartTag();
        tag.doEndTag();
        assertEquals("/public/about/team.jsp", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testUsingValueOnly_clearTagStateSet() throws Exception {
        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setValue("/public/about/team.jsp");
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();
        assertEquals("/public/about/team.jsp", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURIActionIncludeNone() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setAction("team");
        tag.setIncludeParams("none");
        tag.doStartTag();
        tag.doEndTag();

        assertEquals("/team.action", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURIActionIncludeNone_clearTagStateSet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setAction("team");
        tag.setIncludeParams("none");
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("/team.action", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURIActionIncludeGet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setAction("team");
        tag.setIncludeParams("get");
        tag.doStartTag();
        tag.doEndTag();

        assertEquals("/team.action?section=team&amp;company=acme+inc", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURIActionIncludeGet_clearTagStateSet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setAction("team");
        tag.setIncludeParams("get");
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("/team.action?section=team&amp;company=acme+inc", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURIActionIncludeGetDoNotEscapeAmp() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setAction("team");
        tag.setIncludeParams("get");
        tag.setEscapeAmp("false");
        tag.doStartTag();
        tag.doEndTag();

        assertEquals("/team.action?section=team&company=acme+inc", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURIActionIncludeGetDoNotEscapeAmp_clearTagStateSet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setAction("team");
        tag.setIncludeParams("get");
        tag.setEscapeAmp("false");
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("/team.action?section=team&company=acme+inc", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURINoActionIncludeNone() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setAction(null);
        tag.setIncludeParams("none");
        tag.doStartTag();
        tag.doEndTag();

        assertEquals("/public/about", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURINoActionIncludeNone_clearTagStateSet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setAction(null);
        tag.setIncludeParams("none");
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("/public/about", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testNoActionIncludeGet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setAction(null);
        tag.setIncludeParams("get");
        tag.doStartTag();
        tag.doEndTag();

        assertEquals("/public/about?section=team&amp;company=acme+inc", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testNoActionIncludeGet_clearTagStateSet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setAction(null);
        tag.setIncludeParams("get");
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("/public/about?section=team&amp;company=acme+inc", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURIActionIncludeAll() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setAction("team");
        tag.setIncludeParams("all");

        tag.doStartTag();

        // include nested param tag
        ParamTag paramTag = new ParamTag();
        paramTag.setPageContext(pageContext);
        paramTag.setName("year");
        paramTag.setValue("2006");
        paramTag.doStartTag();
        paramTag.doEndTag();

        tag.doEndTag();

        assertEquals("/team.action?section=team&amp;company=acme+inc&amp;year=2006", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(paramTag, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURIActionIncludeAll_clearTagStateSet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setAction("team");
        tag.setIncludeParams("all");

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).

        // include nested param tag
        ParamTag paramTag = new ParamTag();
        paramTag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        paramTag.setPageContext(pageContext);
        paramTag.setName("year");
        paramTag.setValue("2006");
        paramTag.doStartTag();
        setComponentTagClearTagState(paramTag, true);  // Ensure component tag state clearing is set true (to match tag).
        paramTag.doEndTag();

        tag.doEndTag();

        assertEquals("/team.action?section=team&amp;company=acme+inc&amp;year=2006", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPerformClearTagStateForTagPoolingServers(true);
        freshParamTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(paramTag, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURINoActionIncludeAll() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setAction(null);
        tag.setIncludeParams("all");

        tag.doStartTag();

        // include nested param tag
        ParamTag paramTag = new ParamTag();
        paramTag.setPageContext(pageContext);
        paramTag.setName("year");
        paramTag.setValue("2006");
        paramTag.doStartTag();
        paramTag.doEndTag();

        tag.doEndTag();

        assertEquals("/public/about?section=team&amp;company=acme+inc&amp;year=2006", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(paramTag, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURINoActionIncludeAll_clearTagStateSet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team&company=acme inc");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setAction(null);
        tag.setIncludeParams("all");

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).

        // include nested param tag
        ParamTag paramTag = new ParamTag();
        paramTag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        paramTag.setPageContext(pageContext);
        paramTag.setName("year");
        paramTag.setValue("2006");
        paramTag.doStartTag();
        setComponentTagClearTagState(paramTag, true);  // Ensure component tag state clearing is set true (to match tag).
        paramTag.doEndTag();

        tag.doEndTag();

        assertEquals("/public/about?section=team&amp;company=acme+inc&amp;year=2006", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPerformClearTagStateForTagPoolingServers(true);
        freshParamTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(paramTag, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testUnknownIncludeParam() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team");

        tag.setIncludeParams("unknown"); // will log at WARN level
        tag.doStartTag();
        tag.doEndTag();
        assertEquals("/public/about", writer.toString()); // should not add any request parameters

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testUnknownIncludeParam_clearTagStateSet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("section=team");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setIncludeParams("unknown"); // will log at WARN level
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();
        assertEquals("/public/about", writer.toString()); // should not add any request parameters

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURIWithAnchor() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("company=acme inc#canada");

        tag.setAction("company");
        tag.setIncludeParams("get");
        tag.doStartTag();
        tag.doEndTag();

        assertEquals("/company.action?company=acme+inc", writer.toString()); // will always chop anchor if using requestURI

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testRequestURIWithAnchor_clearTagStateSet() throws Exception {
        request.setRequestURI("/public/about");
        request.setQueryString("company=acme inc#canada");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setAction("company");
        tag.setIncludeParams("get");
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("/company.action?company=acme+inc", writer.toString()); // will always chop anchor if using requestURI

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testIncludeContext() throws Exception {
        request.setupGetContext("/myapp");

        tag.setIncludeContext("true");
        tag.setAction("company");
        tag.doStartTag();
        tag.doEndTag();

        assertEquals("/myapp/company.action", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testIncludeContext_clearTagStateSet() throws Exception {
        request.setupGetContext("/myapp");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setIncludeContext("true");
        tag.setAction("company");
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("/myapp/company.action", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testForceAddSchemeHostAndPort() throws Exception {
        tag.setForceAddSchemeHostAndPort("true");
        tag.setAction("company");
        tag.doStartTag();
        tag.doEndTag();

        assertEquals("http://localhost/company.action", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testForceAddSchemeHostAndPort_clearTagStateSet() throws Exception {
        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setForceAddSchemeHostAndPort("true");
        tag.setAction("company");
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("http://localhost/company.action", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testEmptyActionCustomMapper() throws Exception {
        Map<String,String> props = new HashMap<>();
        props.put("config", "struts-default.xml,struts-plugin.xml,struts.xml,org/apache/struts2/views/jsp/WW3090-struts.xml");

        this.tearDown();

        Dispatcher du = this.initDispatcher(props);

        /**
         * create our standard mock objects
         */
        action = this.getAction();
        stack = ActionContext.getContext().getValueStack();
        context = stack.getContext();
        stack.push(action);

        request = new StrutsMockHttpServletRequest();
        request.setAttribute(ServletActionContext.STRUTS_VALUESTACK_KEY, stack);
        response = new StrutsMockHttpServletResponse();
        request.setSession(new StrutsMockHttpSession());
        request.setupGetServletPath("/");

        writer = new StringWriter();

        servletContext = new StrutsMockServletContext();
        servletContext.setRealPath(new File("nosuchfile.properties").getAbsolutePath());
        servletContext.setServletInfo("Resin");

        pageContext = new StrutsMockPageContext();
        pageContext.setRequest(request);
        pageContext.setResponse(response);
        pageContext.setServletContext(servletContext);

        mockContainer = new Mock(Container.class);

        session = new SessionMap(request);
        Map<String, Object> extraContext = du.createContextMap(new RequestMap(request),
                HttpParameters.create(request.getParameterMap()).build(),
                session,
                new ApplicationMap(pageContext.getServletContext()),
                request,
                response);
        // let's not set the locale -- there is a test that checks if Dispatcher actually picks this up...
        // ... but generally we want to just use no locale (let it stay system default)
        ActionContext.of(extraContext).withLocale(null);
        stack.getContext().putAll(extraContext);

        context.put(ServletActionContext.HTTP_REQUEST, request);
        context.put(ServletActionContext.HTTP_RESPONSE, response);
        context.put(ServletActionContext.SERVLET_CONTEXT, servletContext);

        ActionContext actionContext = ActionContext.of(context)
            .withServletRequest(request)
            .withServletResponse(response)
            .withServletContext(servletContext)
            .bind();

        // Make sure we have an action invocation available
        ActionContext.getContext().withActionInvocation(new DefaultActionInvocation(null, true));
        DefaultActionProxyFactory apFactory = new DefaultActionProxyFactory();
        apFactory.setContainer(container);
        ActionProxy ap = apFactory.createActionProxy("/", "hello", null, null);
        ActionContext.getContext().getActionInvocation().init(ap);

        request.setScheme("http");
        request.setServerName("localhost");
        request.setServerPort(80);

        tag = new URLTag();
        tag.setPageContext(pageContext);
        JspWriter jspWriter = new StrutsMockJspWriter(writer);
        pageContext.setJspWriter(jspWriter);

        request.setRequestURI("/context/someAction.action");

        tag.setAction(null);
        tag.setValue(null);
        tag.doStartTag();
        tag.doEndTag();

        assertEquals("/hello.action-red", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        // URLTag clears component in doEndTag and has no additional state set here, so it compares as equal with the default tag clear state as well.
        assertTrue("Tag state after doEndTag() under default tag clear state is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));

        writer = new StringWriter();
        jspWriter = new StrutsMockJspWriter(writer);
        pageContext.setJspWriter(jspWriter);

        tag.doStartTag();
        tag.doEndTag();

        assertEquals("/hello.action-blue", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        // URLTag clears component in doEndTag and has no additional state set here, so it compares as equal with the default tag clear state as well.
        assertTrue("Tag state after doEndTag() under default tag clear state is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));

        writer = new StringWriter();
        jspWriter = new StrutsMockJspWriter(writer);
        pageContext.setJspWriter(jspWriter);

        tag.doStartTag();
        tag.doEndTag();

        assertEquals("/hello.action-red", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        // URLTag clears component in doEndTag and has no additional state set here, so it compares as equal with the default tag clear state as well.
        assertTrue("Tag state after doEndTag() under default tag clear state is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testEmptyActionCustomMapper_clearTagStateSet() throws Exception {
        Map<String,String> props = new HashMap<String, String>();
        props.put("config", "struts-default.xml,struts-plugin.xml,struts.xml,org/apache/struts2/views/jsp/WW3090-struts.xml");

        this.tearDown();

        Dispatcher du = this.initDispatcher(props);

        action = this.getAction();
        stack = ActionContext.getContext().getValueStack();
        context = stack.getContext();
        stack.push(action);

        request = new StrutsMockHttpServletRequest();
        request.setAttribute(ServletActionContext.STRUTS_VALUESTACK_KEY, stack);
        response = new StrutsMockHttpServletResponse();
        request.setSession(new StrutsMockHttpSession());
        request.setupGetServletPath("/");

        writer = new StringWriter();

        servletContext = new StrutsMockServletContext();
        servletContext.setRealPath(new File("nosuchfile.properties").getAbsolutePath());
        servletContext.setServletInfo("Resin");

        pageContext = new StrutsMockPageContext();
        pageContext.setRequest(request);
        pageContext.setResponse(response);
        pageContext.setServletContext(servletContext);

        mockContainer = new Mock(Container.class);

        session = new SessionMap(request);
        Map<String, Object> extraContext = du.createContextMap(new RequestMap(request),
                HttpParameters.create(request.getParameterMap()).build(),
                session,
                new ApplicationMap(pageContext.getServletContext()),
                request,
                response);
        // let's not set the locale -- there is a test that checks if Dispatcher actually picks this up...
        // ... but generally we want to just use no locale (let it stay system default)
        extraContext = ActionContext.of(extraContext).withLocale(null).getContextMap();
        stack.getContext().putAll(extraContext);

        ActionContext actionContext = ActionContext.of(context)
            .withServletRequest(request)
            .withServletResponse(response)
            .withServletContext(servletContext)
            .bind();

        // Make sure we have an action invocation available
        ActionContext.getContext().withActionInvocation(new DefaultActionInvocation(null, true));
        DefaultActionProxyFactory apFactory = new DefaultActionProxyFactory();
        apFactory.setContainer(container);
        ActionProxy ap = apFactory.createActionProxy("/", "hello", null, null);
        ActionContext.getContext().getActionInvocation().init(ap);

        request.setScheme("http");
        request.setServerName("localhost");
        request.setServerPort(80);

        tag = new URLTag();
        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setPageContext(pageContext);
        JspWriter jspWriter = new StrutsMockJspWriter(writer);
        pageContext.setJspWriter(jspWriter);

        request.setRequestURI("/context/someAction.action");

        tag.setAction(null);
        tag.setValue(null);
        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("/hello.action-red", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));

        writer = new StringWriter();
        jspWriter = new StrutsMockJspWriter(writer);
        pageContext.setJspWriter(jspWriter);

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("/hello.action-blue", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));

        writer = new StringWriter();
        jspWriter = new StrutsMockJspWriter(writer);
        pageContext.setJspWriter(jspWriter);

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
        tag.doEndTag();

        assertEquals("/hello.action-red", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

	public void testEmbeddedParamTagExpressionGetsEvaluatedCorrectly() throws Exception {
		request.setRequestURI("/public/about");
		request.setQueryString("section=team&company=acme inc");

		tag.setAction("team");
		tag.setIncludeParams("all");

		tag.doStartTag();

		Foo foo = new Foo("test");
		stack.push(foo);

		// include nested param tag
		ParamTag paramTag = new ParamTag();
		paramTag.setPageContext(pageContext);
		paramTag.setName("title");
		paramTag.setValue("%{title}");
		paramTag.doStartTag();
		paramTag.doEndTag();

		tag.doEndTag();

		assertEquals("/team.action?section=team&amp;company=acme+inc&amp;title=test", writer.toString());

                // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
                ParamTag freshParamTag = new ParamTag();
                freshParamTag.setPageContext(pageContext);
                assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                        "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                        strutsBodyTagsAreReflectionEqual(paramTag, freshParamTag));

                // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
                URLTag freshTag = new URLTag();
                freshTag.setPageContext(pageContext);
                assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                        "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                        strutsBodyTagsAreReflectionEqual(tag, freshTag));
	}

	public void testEmbeddedParamTagExpressionGetsEvaluatedCorrectly_clearTagStateSet() throws Exception {
		request.setRequestURI("/public/about");
		request.setQueryString("section=team&company=acme inc");

                tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
		tag.setAction("team");
		tag.setIncludeParams("all");

		tag.doStartTag();
                setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).

		Foo foo = new Foo("test");
		stack.push(foo);

		// include nested param tag
		ParamTag paramTag = new ParamTag();
                paramTag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
		paramTag.setPageContext(pageContext);
		paramTag.setName("title");
		paramTag.setValue("%{title}");
		paramTag.doStartTag();
                setComponentTagClearTagState(paramTag, true);  // Ensure component tag state clearing is set true (to match tag).
		paramTag.doEndTag();

		tag.doEndTag();

		assertEquals("/team.action?section=team&amp;company=acme+inc&amp;title=test", writer.toString());

                // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
                ParamTag freshParamTag = new ParamTag();
                freshParamTag.setPerformClearTagStateForTagPoolingServers(true);
                freshParamTag.setPageContext(pageContext);
                assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                        "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                        strutsBodyTagsAreReflectionEqual(paramTag, freshParamTag));

                // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
                URLTag freshTag = new URLTag();
                freshTag.setPerformClearTagStateForTagPoolingServers(true);
                freshTag.setPageContext(pageContext);
                assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                        "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                        strutsBodyTagsAreReflectionEqual(tag, freshTag));
	}

	public void testAccessToStackInternalsGetsHandledCorrectly() throws Exception {
		Map<String, Object> params = new LinkedHashMap<>();
		params.put("aaa", new String[] {"1${#session[\"foo\"]='true'}"});
		params.put("aab", new String[]{"1${#session[\"bar\"]}"});
		params.put("aac", new String[]{"1${#_memberAccess[\"allowStaticMethodAccess\"]='true'}"});
		params.put("aad", new String[]{"1${#_memberAccess[\"allowStaticMethodAccess\"]}"});

		request.setParameterMap(params);
		request.setRequestURI("/public/about");
		request.setQueryString("aae${%23session[\"bar\"]}=1%24%7B%23session%5B%22bar%22%5D%7D");
		session.put("bar", "rab");

		tag.setAction("team");
		tag.setIncludeParams("all");

		tag.doStartTag();
		tag.doEndTag();

		Object allowMethodAccess = stack.findValue("\u0023_memberAccess['allowStaticMethodAccess']");
		assertNull(allowMethodAccess);

		assertNull(session.get("foo"));

		assertEquals("/team.action?aaa=1%24%7B%23session%5B%22foo%22%5D%3D%27true%27%7D" +
                        "&amp;" +
                        "aab=1%24%7B%23session%5B%22bar%22%5D%7D" +
                        "&amp;" +
                        "aac=1%24%7B%23_memberAccess%5B%22allowStaticMethodAccess%22%5D%3D%27true%27%7D" +
                        "&amp;" +
                        "aad=1%24%7B%23_memberAccess%5B%22allowStaticMethodAccess%22%5D%7D" +
                        "&amp;" +
                        "aae%24%7B%23session%5B%22bar%22%5D%7D=1%24%7B%23session%5B%22bar%22%5D%7D"
				, writer.toString()
		);

                // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
                URLTag freshTag = new URLTag();
                freshTag.setPageContext(pageContext);
                assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                        "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                        strutsBodyTagsAreReflectionEqual(tag, freshTag));
	}

	public void testAccessToStackInternalsGetsHandledCorrectly_clearTagStateSet() throws Exception {
		Map<String, Object> params = new LinkedHashMap<>();
		params.put("aaa", new String[] {"1${#session[\"foo\"]='true'}"});
		params.put("aab", new String[]{"1${#session[\"bar\"]}"});
		params.put("aac", new String[]{"1${#_memberAccess[\"allowStaticMethodAccess\"]='true'}"});
		params.put("aad", new String[]{"1${#_memberAccess[\"allowStaticMethodAccess\"]}"});

		request.setParameterMap(params);
		request.setRequestURI("/public/about");
		request.setQueryString("aae${%23session[\"bar\"]}=1%24%7B%23session%5B%22bar%22%5D%7D");
		session.put("bar", "rab");

                tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
		tag.setAction("team");
		tag.setIncludeParams("all");

		tag.doStartTag();
                setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).
		tag.doEndTag();

		Object allowMethodAccess = stack.findValue("\u0023_memberAccess['allowStaticMethodAccess']");
		assertNull(allowMethodAccess);

		assertNull(session.get("foo"));

		assertEquals("/team.action?aaa=1%24%7B%23session%5B%22foo%22%5D%3D%27true%27%7D" +
                        "&amp;" +
                        "aab=1%24%7B%23session%5B%22bar%22%5D%7D" +
                        "&amp;" +
                        "aac=1%24%7B%23_memberAccess%5B%22allowStaticMethodAccess%22%5D%3D%27true%27%7D" +
                        "&amp;" +
                        "aad=1%24%7B%23_memberAccess%5B%22allowStaticMethodAccess%22%5D%7D" +
                        "&amp;" +
                        "aae%24%7B%23session%5B%22bar%22%5D%7D=1%24%7B%23session%5B%22bar%22%5D%7D"
				, writer.toString()
		);

                // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
                URLTag freshTag = new URLTag();
                freshTag.setPerformClearTagStateForTagPoolingServers(true);
                freshTag.setPageContext(pageContext);
                assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                        "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                        strutsBodyTagsAreReflectionEqual(tag, freshTag));
	}

    public void testIncludeEmptyParameters() throws Exception {
        request.setRequestURI("/public/about");

        tag.setAction("company");
        tag.setEscapeAmp("false");

        tag.doStartTag();

        ParamTag param1 = new ParamTag();
        param1.setPageContext(pageContext);
        param1.setName("paramWithSetValue");
        param1.setValue("");
        param1.setSuppressEmptyParameters(false);
        param1.doStartTag();
        param1.doEndTag();

        ParamTag param2 = new ParamTag();
        param2.setPageContext(pageContext);
        param2.setName("paramWithSetBody");
        param2.setBodyContent(new MockBodyContent() {
            @Override
            public String getString() {
                return "";
            }
        });
        param2.setSuppressEmptyParameters(false);
        param2.doStartTag();
        param2.doEndTag();

        ParamTag param3 = new ParamTag();
        param3.setPageContext(pageContext);
        param3.setName("paramWithSetValueSuppressed");
        param3.setValue("");
        param3.setSuppressEmptyParameters(true);
        param3.doStartTag();
        param3.doEndTag();

        ParamTag param4 = new ParamTag();
        param4.setPageContext(pageContext);
        param4.setName("paramWithSetBodySuppressed");
        param4.setBodyContent(new MockBodyContent() {
            @Override
            public String getString() {
                return "";
            }
        });
        param4.setSuppressEmptyParameters(true);
        param4.doStartTag();
        param4.doEndTag();

        tag.doEndTag();

        assertEquals("/company.action?paramWithSetValue=&paramWithSetBody=", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param1, freshParamTag));
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param2, freshParamTag));
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param3, freshParamTag));
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param4, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPageContext(pageContext);
        assertFalse("Tag state after doEndTag() under default tag clear state is equal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    public void testIncludeEmptyParameters_clearTagStateSet() throws Exception {
        request.setRequestURI("/public/about");

        tag.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        tag.setAction("company");
        tag.setEscapeAmp("false");

        tag.doStartTag();
        setComponentTagClearTagState(tag, true);  // Ensure component tag state clearing is set true (to match tag).

        ParamTag param1 = new ParamTag();
        param1.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        param1.setPageContext(pageContext);
        param1.setName("paramWithSetValue");
        param1.setValue("");
        param1.setSuppressEmptyParameters(false);
        param1.doStartTag();
        setComponentTagClearTagState(param1, true);  // Ensure component tag state clearing is set true (to match tag).
        param1.doEndTag();

        ParamTag param2 = new ParamTag();
        param2.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        param2.setPageContext(pageContext);
        param2.setName("paramWithSetBody");
        param2.setBodyContent(new MockBodyContent() {
            @Override
            public String getString() {
                return "";
            }
        });
        param2.setSuppressEmptyParameters(false);
        param2.doStartTag();
        setComponentTagClearTagState(param2, true);  // Ensure component tag state clearing is set true (to match tag).
        param2.doEndTag();

        ParamTag param3 = new ParamTag();
        param3.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        param3.setPageContext(pageContext);
        param3.setName("paramWithSetValueSuppressed");
        param3.setValue("");
        param3.setSuppressEmptyParameters(true);
        param3.doStartTag();
        setComponentTagClearTagState(param3, true);  // Ensure component tag state clearing is set true (to match tag).
        param3.doEndTag();

        ParamTag param4 = new ParamTag();
        param4.setPerformClearTagStateForTagPoolingServers(true);  // Explicitly request tag state clearing.
        param4.setPageContext(pageContext);
        param4.setName("paramWithSetBodySuppressed");
        param4.setBodyContent(new MockBodyContent() {
            @Override
            public String getString() {
                return "";
            }
        });
        param4.setSuppressEmptyParameters(true);
        param4.doStartTag();
        setComponentTagClearTagState(param4, true);  // Ensure component tag state clearing is set true (to match tag).
        param4.doEndTag();

        tag.doEndTag();

        assertEquals("/company.action?paramWithSetValue=&paramWithSetBody=", writer.toString());

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        ParamTag freshParamTag = new ParamTag();
        freshParamTag.setPerformClearTagStateForTagPoolingServers(true);
        freshParamTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param1, freshParamTag));
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param2, freshParamTag));
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param3, freshParamTag));
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(param4, freshParamTag));

        // Basic sanity check of clearTagStateForTagPoolingServers() behaviour for Struts Tags after doEndTag().
        URLTag freshTag = new URLTag();
        freshTag.setPerformClearTagStateForTagPoolingServers(true);
        freshTag.setPageContext(pageContext);
        assertTrue("Tag state after doEndTag() and explicit tag state clearing is inequal to new Tag with pageContext/parent set.  " +
                "May indicate that clearTagStateForTagPoolingServers() calls are not working properly.",
                strutsBodyTagsAreReflectionEqual(tag, freshTag));
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();

        request.setScheme("http");
        request.setServerName("localhost");
        request.setServerPort(80);

        tag = new URLTag();
        tag.setPageContext(pageContext);
        JspWriter jspWriter = new StrutsMockJspWriter(writer);
        pageContext.setJspWriter(jspWriter);
    }

    public static class Foo {
        private String title;

		public Foo() {
		}

		public Foo( String title ) {
			this.title = title;
		}

		public void setTitle(String title) {
            this.title = title;
        }

        public String getTitle() {
            return title;
        }

        public String toString() {
            return "Foo is: " + title;
        }
    }

    public static class ValueHolder {
        private String value;

        public ValueHolder(String value) {
            this.value = value;
        }

        @Override
        public String toString() {
            return value;
        }


    }

    @SuppressWarnings("unused")
    public static class RedBlueActionMapper extends DefaultActionMapper {

        @Override
        public String getUriFromActionMapping(ActionMapping mapping) {
            String baseUri = super.getUriFromActionMapping(mapping);
            HttpSession session = ServletActionContext.getRequest().getSession();
            if (session.getAttribute("redBlue")==null) {
                // We are red
                session.setAttribute("redBlue", 0);
                return baseUri + "-red";
            } else {
                // We are blue
                session.removeAttribute("redBlue");
                return baseUri + "-blue";
            }
        }

    }
}