stringmessageelementtest.java

jxta_src_2.41b jxta 2.41b 最新版源码 from www.jxta.org

/*
 * $Id: StringMessageElementTest.java,v 1.4 2004/04/14 04:47:16 bondolo Exp $
 ********************
 *
 * Copyright (c) 2001 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
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 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
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 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
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 */

package net.jxta.endpoint;

import java.io.InputStream;
import java.io.ByteArrayOutputStream;
import junit.framework.*;

import net.jxta.endpoint.MessageElement;
import net.jxta.endpoint.StringMessageElement;

/**
 *
 * @author mike
 */
public class StringMessageElementTest extends TestCase {
    
    static final String one = "happy\u022a";
    static final String two = "happy\u0229";
    static final String three = "happy\u0229";
    
    public StringMessageElementTest(java.lang.String testName) {
        super(testName);
    }
    
    public static void main(java.lang.String[] args) {
        junit.textui.TestRunner.run(suite());
        
        System.err.flush();
        System.out.flush();
    }
    
    public static Test suite() {
        TestSuite suite = new TestSuite(StringMessageElementTest.class);
        return suite;
    }
    
    public void testAccessors() {
        try {
            // message with UTF-8 encoding
            TextMessageElement el1 = new StringMessageElement( "element1", one, (MessageElement) null );
            
            // message with UTF-16 encoding
            TextMessageElement el2 = new StringMessageElement( "element2", two, "UTF-16", (MessageElement) null );
            
            // message with system encoding
            TextMessageElement el3 = new StringMessageElement( null, three, null, (MessageElement) null );
            
            // toString.
            assertTrue( one.equals( el1.toString() ) );
            
            assertTrue( two.equals( el2.toString() ) );
            
            assertTrue( three.equals( el3.toString() ) );
            
            // charLength
            assertTrue( one.length() == el1.getCharLength() );
            
            assertTrue( two.length() == el2.getCharLength() );
            
            assertTrue( three.length() == el3.getCharLength() );
            
            // getByteLength
            assertTrue( el1.getByteLength() == el1.getBytes( false ).length );
            
            assertTrue( el2.getByteLength() == el2.getBytes( false ).length );
            
            assertTrue( el3.getByteLength() == el3.getBytes( false ).length );
        } catch( Exception caught ) {
            caught.printStackTrace();
            fail( "exception thrown : " + caught.getMessage() );
        }
    }
    
    public void testStreams() {
        try {
            // message with UTF-8 encoding
            TextMessageElement el1 = new StringMessageElement( "element1", one, (MessageElement) null );
            
            // message with UTF-16 encoding
            TextMessageElement el2 = new StringMessageElement( "element2", two, "UTF-16", (MessageElement) null );
            
            // message with system encoding
            TextMessageElement el3 = new StringMessageElement( null, three, null, (MessageElement) null );
            
            // sendDataStream
            
            System.out.print( "el1 send (" + el1.getElementName() + "," + el1.getMimeType() + ") : " );
            ByteArrayOutputStream el1stream = new ByteArrayOutputStream();
            
            el1.sendToStream( el1stream );
            
            el1.sendToStream( System.out );
            
            System.out.println( );
            
            System.out.print( "el2 send (" + el2.getElementName() + "," + el2.getMimeType() + ") : " );
            ByteArrayOutputStream el2stream = new ByteArrayOutputStream();
            
            el2.sendToStream( el2stream );
            
            el2.sendToStream( System.out );
            
            System.out.println( );
            
            System.out.print( "el3 send (" + el3.getElementName() + "," + el3.getMimeType() + ") : " );
            ByteArrayOutputStream el3stream = new ByteArrayOutputStream();
            
            el3.sendToStream( el3stream );
            
            el3.sendToStream( System.out );
            
            System.out.println( );
            
            System.out.print( "el1 read (" + el1.getElementName() + "," + el1.getMimeType() + ") : " );
            
            // getDataStream
            
            InputStream in = el1.getStream();
            byte outputbytes[] = el1stream.toByteArray();
            int index = 0;
            
            do {
                int aChar = in.read();
                
                if( -1 == aChar )
                    break;
                
                assertTrue( "characters did not match at index " + index , aChar == (outputbytes[index++] & 0xFF) );
                
                System.out.print( "0x" + Integer.toHexString(aChar) + " " );
                
            } while( true );
            
            assertTrue( index == outputbytes.length );
            
            System.out.println( );
            
            System.out.print( "el2 read (" + el2.getElementName() + "," + el2.getMimeType() + ") : " );
            
            in = el2.getStream();
            outputbytes = el2stream.toByteArray();
            index = 0;
            
            do {
                int aChar = in.read();
                
                if( -1 == aChar )
                    break;
                
                assertTrue( "characters did not match at index " + index , aChar == (outputbytes[index++] & 0xFF) );
                
                System.out.print( "0x" + Integer.toHexString(aChar) + " " );
                
            } while( true );
            
            assertTrue( index == outputbytes.length );
            
            System.out.println( );
            
            System.out.print( "el3 read (" + el3.getElementName() + "," + el3.getMimeType() + ") : " );
            
            in = el3.getStream();
            outputbytes = el3stream.toByteArray();
            index = 0;
            
            do {
                int aChar = in.read();
                
                if( -1 == aChar )
                    break;
                
                assertTrue( "characters did not match at index " + index , aChar == (outputbytes[index++] & 0xFF) );
                
                System.out.print( "0x" + Integer.toHexString(aChar) + " " );
                
            } while( true );
            
            assertTrue( index == outputbytes.length );
            
            System.out.println( );
            
        } catch( Exception caught ) {
            caught.printStackTrace();
            fail( "exception thrown : " + caught.getMessage() );
        }
    }
}