utiltest.java

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// $Id: UtilTest.java,v 1.17 2006/09/07 18:36:23 belaban Exp $

package org.jgroups.tests;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jgroups.*;
import org.jgroups.conf.ClassConfigurator;
import org.jgroups.stack.IpAddress;
import org.jgroups.util.Util;

import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Vector;
import java.util.Properties;


public class UtilTest extends TestCase {

    static {
        try {
            ClassConfigurator.getInstance(true);
        }
        catch(ChannelException e) {
            e.printStackTrace();
        }
    }

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


    public void testGetProperty() {
        Properties props=new Properties();
        props.setProperty("name", "Bela");
        props.setProperty("key", "val");

        System.setProperty("name", "Michelle");
        System.setProperty("name2", "Nicole");
        String retval;

        retval=Util.getProperty(new String[]{"name", "name2"}, props, "name", false, "Jeannette");
        assertEquals("Michelle", retval);
        props.setProperty("name", "Bela"); props.setProperty("key", "val");

        retval=Util.getProperty(new String[]{"name2", "name"}, props, "name", false, "Jeannette");
        assertEquals("Nicole", retval);
        props.setProperty("name", "Bela"); props.setProperty("key", "val");

        retval=Util.getProperty(new String[]{"name3", "name"}, props, "name", false, "Jeannette");
        assertEquals("Michelle", retval);
        props.setProperty("name", "Bela"); props.setProperty("key", "val");

        retval=Util.getProperty(new String[]{"name3", "name4"}, props, "name", false, "Jeannette");
        assertEquals("Bela", retval);
        props.setProperty("name", "Bela"); props.setProperty("key", "val");

        retval=Util.getProperty(new String[]{"name2", "name"}, props, "name", true, "Jeannette");
        assertEquals("Bela", retval);
        props.setProperty("name", "Bela"); props.setProperty("key", "val");

        retval=Util.getProperty(new String[]{"name2", "name"}, props, "name2", true, "Jeannette");
        assertEquals("Jeannette", retval);
        props.setProperty("name", "Bela"); props.setProperty("key", "val");

        retval=Util.getProperty(new String[]{"name2", "name"}, props, "name2", true, null);
        assertNull(retval);
        props.setProperty("name", "Bela"); props.setProperty("key", "val");
    }


    public void testIgnoreBindAddress() {
        boolean retval;

        retval=Util.isBindAddressPropertyIgnored();
        assertFalse(retval);

        System.setProperty(Global.IGNORE_BIND_ADDRESS_PROPERTY, "true");
        retval=Util.isBindAddressPropertyIgnored();
        assertTrue(retval);

        System.setProperty(Global.IGNORE_BIND_ADDRESS_PROPERTY, "true2");
        retval=Util.isBindAddressPropertyIgnored();
        assertFalse(retval);

        System.setProperty(Global.IGNORE_BIND_ADDRESS_PROPERTY, "false");
        retval=Util.isBindAddressPropertyIgnored();
        assertFalse(retval);

        System.getProperties().remove(Global.IGNORE_BIND_ADDRESS_PROPERTY);
        System.setProperty(Global.IGNORE_BIND_ADDRESS_PROPERTY_OLD, "false");
        retval=Util.isBindAddressPropertyIgnored();
        assertFalse(retval);

        System.getProperties().remove(Global.IGNORE_BIND_ADDRESS_PROPERTY);
        System.setProperty(Global.IGNORE_BIND_ADDRESS_PROPERTY_OLD, "true");
        retval=Util.isBindAddressPropertyIgnored();
        assertTrue(retval);


        System.setProperty(Global.IGNORE_BIND_ADDRESS_PROPERTY, "true");
        System.setProperty(Global.IGNORE_BIND_ADDRESS_PROPERTY_OLD, "true");
        retval=Util.isBindAddressPropertyIgnored();
        assertTrue(retval);
    }


    public void testPrintBytes() {
        long num;
        String s;

        num=1;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("1b", s);

        num=999;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("999b", s);

        num=1000;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("1KB", s);

        num=1001;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("1KB", s);

        num=1010;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("1.01KB", s);

        num=1543;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("1.54KB", s);

        num=10000;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("10KB", s);

        num=150000;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("150KB", s);

        num=150023;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("150.02KB", s);

        num=1200000;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("1.2MB", s);

        num=150000000;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("150MB", s);

        num=150030000;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("150.03MB", s);

        num=1200000000;
        s=Util.printBytes(num);
        System.out.println(num + " is " + s);
        assertEquals("1.2GB", s);
    }


    public void testObjectToFromByteBuffer() throws Exception {
        byte[] buf;
        IpAddress addr=new IpAddress("localhost", 5000), addr2;
        List list=new ArrayList(), list2;
        list.add("Bela");
        list.add("Jeannette");

        buf=Util.objectToByteBuffer(addr);
        addr2=(IpAddress)Util.objectFromByteBuffer(buf);
        System.out.println("addr=" + addr + ", addr2=" + addr2);
        assertEquals(addr, addr2);

        buf=Util.objectToByteBuffer(list);
        list2=(List)Util.objectFromByteBuffer(buf);
        System.out.println("list=" + list + ", list2=" + list2);
        assertEquals(list, list2);

        Object obj=null;
        buf=Util.objectToByteBuffer(obj);
        assertNotNull(buf);
        assertTrue(buf.length > 0);
        obj=Util.objectFromByteBuffer(buf);
        assertNull(obj);

        Object[] values=new Object[]{
                Boolean.TRUE,
                Boolean.FALSE,
                new Byte((byte)22),
                new Byte("2"),
                new Character('5'),
                new Double(3.14),
                new Float(352.3),
                new Integer(100),
                new Long(322649),
                new Short((short)22),
                "Bela Ban"
        };
        for(int i=0; i < values.length; i++) {
            Object value=values[i];
            marshal(value);
        }
    }


    void marshal(Object obj) throws Exception {
        byte[] buf=Util.objectToByteBuffer(obj);
        assertNotNull(buf);
        assertTrue(buf.length > 0);
        Object obj2=Util.objectFromByteBuffer(buf);
        System.out.println("obj=" + obj + ", obj2=" + obj2 + " (type=" + obj.getClass().getName() + ", length=" + buf.length + " bytes)");
        assertEquals(obj, obj2);
    }


    public void testWriteStreamable() throws IOException, IllegalAccessException, InstantiationException {
        Message m=new Message(null, null, "Hello");
        ViewId vid=new ViewId(null, 12345);
        ViewId vid2=new ViewId(new IpAddress("127.0.0.1", 5555), 35623);
        ByteArrayOutputStream outstream=new ByteArrayOutputStream();
        DataOutputStream dos=new DataOutputStream(outstream);
        Util.writeGenericStreamable(m, dos);
        Util.writeGenericStreamable(vid, dos);
        Util.writeGenericStreamable(vid2, dos);