/*
 * Copyright  1999-2004 The Apache Software Foundation.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package org.apache.xml.security.c14n.implementations;

import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.DocumentBuilderFactory;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.w3c.dom.Attr;
import org.w3c.dom.Document;

public class NameSpaceSymbTableTest extends TestCase {
	public static Test suite() {
	      return new TestSuite(NameSpaceSymbTableTest.class);
	   }
	static Attr node1,node2;
    static {
    	try {
            Document doc=DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
			node1=doc.createAttributeNS("a","b");
            node2=doc.createAttributeNS("b","c");
		} catch (Exception e) {
			e.printStackTrace();
		} 
    }
	public void testNullFirstXmlns() {
		NameSpaceSymbTable ns=new NameSpaceSymbTable();
        assertNull(ns.getMapping("xmlns"));
    }
    public void testXmlnsPut() {
        NameSpaceSymbTable ns=new NameSpaceSymbTable();
        ns.push();
        ns.addMapping("xmlns","http://a",node1);
        assertEquals(node1,ns.getMapping("xmlns"));
    }
    public void testXmlnsMap() {
        NameSpaceSymbTable ns=new NameSpaceSymbTable();
        ns.push();
        ns.addMapping("xmlns","http://a",node1);
        assertEquals(node1,ns.getMapping("xmlns"));
        ns.pop();
        assertEquals(null,ns.getMapping("xmlns"));        
    }
    public void testXmlnsMap2() {
        NameSpaceSymbTable ns=new NameSpaceSymbTable();
        ns.push();
        ns.push();
        ns.addMapping("xmlns","http://a",node1);        
        ns.pop();
        ns.pop();
        assertEquals(null,ns.getMapping("xmlns"));        
    }
    public void testXmlnsPrefix() {
        NameSpaceSymbTable ns=new NameSpaceSymbTable();
        ns.push();
        ns.addMapping("xmlns","http://a",node1);
        assertEquals(node1,ns.getMapping("xmlns"));
        ns.push();
        ns.addMapping("xmlns","http://a",node1);
        assertEquals(null,ns.getMapping("xmlns"));     
        ns.push();
        ns.addMapping("xmlns","http://b",node1);
        assertEquals(node1,ns.getMapping("xmlns"));
    }
    public void testXmlnsRemovePrefix() {
        NameSpaceSymbTable ns=new NameSpaceSymbTable();
        ns.push();
        ns.push();
        ns.addMapping("xmlns","http://a",node1);
        assertEquals(node1,ns.getMapping("xmlns"));
        ns.pop();        
        assertNull(ns.getMapping("xmlns"));             
    }
    public void testPrefix() {
    	NameSpaceSymbTable ns=new NameSpaceSymbTable();
        ns.push();
        ns.addMapping("a","http://a",node1);
        assertEquals(node1,ns.getMapping("a"));
        ns.push();
        assertNull(ns.getMapping("a"));
        ns.push();
        ns.addMapping("a","http://c",node1);
        assertEquals(node1,ns.getMapping("a"));
        ns.pop();
        ns.push();
        assertNull(ns.getMapping("a"));
        ns.addMapping("a","http://c",node1);
        assertEquals(node1,ns.getMapping("a"));
    }
    public void testSeveralPrefixes() {
    	NameSpaceSymbTable ns=new NameSpaceSymbTable();
        ns.push();
        ns.addMapping("a","http://a",node1);
        ns.addMapping("b","http://b",node2);
        assertEquals(node1,ns.getMapping("a"));
        assertEquals(node2,ns.getMapping("b"));
        ns.push();
        assertNull(ns.getMapping("a"));
     }
    public void testSeveralPrefixes2() {
        NameSpaceSymbTable ns=new NameSpaceSymbTable();
        ns.push();
        ns.addMapping("a","http://a",node1);
        ns.push();        
        assertEquals(node1,ns.getMapping("a"));
        ns.pop();
        assertEquals(node1,ns.getMapping("a"));        
     }
    public void testGetUnrenderedNodes() {
    	NameSpaceSymbTable ns=new NameSpaceSymbTable();
        ns.push();
        List l=new ArrayList();
        ns.addMapping("xmlns","http://a",node1);
        ns.push();
        ns.getUnrenderedNodes(l);
        assertTrue(l.contains(node1));
        Attr n=(Attr)ns.addMappingAndRender("xmlns","",node2);
        assertNotNull("xmlns=\"\" not rendered",n);
        assertEquals(n, node2);
    }
    public void testUnrederedNodes() {
    	NameSpaceSymbTable ns=new NameSpaceSymbTable();
        ns.push();
        List l=new ArrayList();
        ns.getUnrenderedNodes(l);
        assertTrue(l.isEmpty());
        l.clear();
        ns.push();
        ns.addMapping("xmlns","http://a",node1);
        ns.addMapping("a","http://a",node2);

        ns.push();
        
        ns.getUnrenderedNodes(l);
        assertTrue(l.contains(node1));
        assertTrue(l.contains(node2));
        ns.push();
        l.clear();
        ns.getUnrenderedNodes(l);
        assertFalse(l.contains(node1));
        assertFalse(l.contains(node2));   
        ns.pop();
        ns.pop();
        l.clear();
        ns.getUnrenderedNodes(l);
        assertTrue(l.contains(node1));
        assertTrue(l.contains(node2));
        
    }
    public void testBug38655() {
    	 NameSpaceSymbTable ns=new NameSpaceSymbTable();
         ns.push();
         
         ns.addMappingAndRender("generated-command","http://foo.com/command",node1);        	 
         ns.addMappingAndRender("generated-event","http://foo.com/event",node1);
         ns.addMappingAndRender("command","http://foo.com/command",node1);
         ns.addMappingAndRender("ui","http://foo.com/ui",node1);
         ns.addMappingAndRender("event","http://foo.com/event",node1);
         ns.addMappingAndRender("instruction","http://foo/instruction",node1);
         ns.addMappingAndRender("directory","http://foo.com/io/directory",node1);    		    
         ns.addMappingAndRender("function","http://foo.com/function",node1);
         ns.addMappingAndRender("xmlns","http://www.w3.org/1999/xhtml",node1);
         ns.addMappingAndRender("ctrl","http://foo.com/controls",node1);
         ns.addMappingAndRender("wiki","http://foo.com/samples/wiki",node1);
    		  
    }
}