/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Axis" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package test.encoding;

import java.io.CharArrayWriter;

import javax.xml.namespace.QName;

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

import org.apache.axis.encoding.SerializationContextImpl;

/**
 * @author John Gregg (john.gregg@techarch.com)
 * @author $Author$
 * @version $Revision$
 */
public class TestMultiRefIdentity extends TestCase {

	public static Test suite() {
		return new TestSuite(test.encoding.TestMultiRefIdentity.class);
	}

	public static void main(String[] argv) {

		boolean swing = false;
		if (argv.length > 0) {
			if ("-swing".equals(argv[0])) {
				swing = true;
			}
		}

		if (swing) {
			junit.swingui.TestRunner.main(new String[] {"test.encoding.TestMultiRefIdentity"});
		} else {
			System.out.println("use '-swing' for the Swing version.");
			junit.textui.TestRunner.main(new String[] {"test.encoding.TestMultiRefIdentity"});
		}
	}


	public TestMultiRefIdentity(String name) {
		super(name);
	}

	/**
		Tests when beans are identical and use default hashCode().
	 */
	public void testIdentity1() throws Exception {
		TestBeanA tb1 = new TestBeanA();
		tb1.s1 = "john";
		TestBeanA tb2 = tb1;

		CharArrayWriter caw = new CharArrayWriter();
		SerializationContextImpl sci = new SerializationContextImpl(caw);
		sci.setDoMultiRefs(true);
		sci.serialize(new QName("someLocalPart"), null, tb1, TestBeanA.class);
		sci.serialize(new QName("someOtherLocalPart"), null, tb2, TestBeanA.class);

		String s = caw.toString();

		// Cheap but fragile.
		int first = s.indexOf("#id0");
		int last = s.lastIndexOf("#id0");
		assertTrue(first >= 0);
		assertTrue(last >= 0 && last != first);
	}

	/**
		Tests when beans are identical and use their own hashCode().
	 */
	public void testIdentity2() throws Exception {
		TestBeanB tb1 = new TestBeanB();
		tb1.s1 = "john";
		TestBeanB tb2 = tb1;

		CharArrayWriter caw = new CharArrayWriter();
		SerializationContextImpl sci = new SerializationContextImpl(caw);
		sci.setDoMultiRefs(true);
		sci.serialize(new QName("someLocalPart"), null, tb1, TestBeanB.class);
		sci.serialize(new QName("someOtherLocalPart"), null, tb2, TestBeanB.class);

		String s = caw.toString();

		// Cheap but fragile.
		int first = s.indexOf("#id0");
		int last = s.lastIndexOf("#id0");
		assertTrue(first >= 0);
		assertTrue(last >= 0 && last != first);
	}

	/**
		Tests when beans have different contents and rely on default hashCode().
	 */
	public void testEquality1() throws Exception {
		TestBeanA tb1 = new TestBeanA();
		tb1.s1 = "john";
		TestBeanA tb2 = new TestBeanA();
		tb2.s1 = "gregg";

		CharArrayWriter caw = new CharArrayWriter();
		SerializationContextImpl sci = new SerializationContextImpl(caw);
		sci.setDoMultiRefs(true);
		sci.serialize(new QName("someLocalPart"), null, tb1, TestBeanA.class);
		sci.serialize(new QName("someOtherLocalPart"), null, tb2, TestBeanA.class);

		String s = caw.toString();

		// Cheap but fragile.
		int first = s.indexOf("#id0");
		int last = s.lastIndexOf("#id1");
		assertTrue(first >= 0);
		assertTrue(last >= 0);
	}

	/**
		Tests when beans have same contents but rely on default hashCode().
	 */
	public void testEquality2() throws Exception {
		TestBeanA tb1 = new TestBeanA();
		tb1.s1 = "john";
		TestBeanA tb2 = new TestBeanA();
		tb2.s1 = "john";

		CharArrayWriter caw = new CharArrayWriter();
		SerializationContextImpl sci = new SerializationContextImpl(caw);
		sci.setDoMultiRefs(true);
		sci.serialize(new QName("someLocalPart"), null, tb1, TestBeanA.class);
		sci.serialize(new QName("someOtherLocalPart"), null, tb2, TestBeanA.class);

		String s = caw.toString();

		// Cheap but fragile.
		int first = s.indexOf("#id0");
		int last = s.lastIndexOf("#id1");
		assertTrue(first >= 0);
		assertTrue(last >= 0);
	}

	/**
		Tests when beans have same contents and use their own hashCode().
	 */
	public void testEquality3() throws Exception {
		TestBeanB tb1 = new TestBeanB();
		tb1.s1 = "john";
		TestBeanB tb2 = new TestBeanB();
		tb2.s1 = "john";

		CharArrayWriter caw = new CharArrayWriter();
		SerializationContextImpl sci = new SerializationContextImpl(caw);
		sci.setDoMultiRefs(true);
		sci.serialize(new QName("someLocalPart"), null, tb1, TestBeanB.class);
		sci.serialize(new QName("someOtherLocalPart"), null, tb2, TestBeanB.class);

		String s = caw.toString();

		// Cheap but fragile.
		int first = s.indexOf("#id0");
		int last = s.lastIndexOf("#id1");
		assertTrue(first >= 0);
		assertTrue(last >= 0 && last != first);
	}

	class TestBeanA {
		String s1 = null;

		// uses default equals() and hashCode().
	}

	class TestBeanB {
		String s1 = null;

		public boolean equals(Object o) {
			if (o == null) return false;
			if (this == o) return true;
			if (!o.getClass().equals(this.getClass())) return false;

			TestBeanB tbb = (TestBeanB)o;
			if (this.s1 != null) {
				return this.s1.equals(tbb.s1);
			} else {
				return this.s1 == tbb.s1;
			}
		}

		public int hashCode() {
			// XXX???
			if (this.s1 == null) return super.hashCode();
			else return this.s1.hashCode();
		}
	}
}