messagetest.java

DNS Java 是java实现的DNS

// -*- Java -*-
//
// Copyright (c) 2005, Matthew J. Rutherford <[e-mail]>
// Copyright (c) 2005, University of Colorado at Boulder
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// 
// * Redistributions of source code must retain the above copyright
//   notice, this list of conditions and the following disclaimer.
// 
// * 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.
// 
// * Neither the name of the University of Colorado at Boulder nor the
//   names of its contributors may be used to endorse or promote
//   products derived from this software without specific prior written
//   permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS 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 COPYRIGHT
// OWNER OR 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.
//
package org.xbill.DNS;

import	java.net.InetAddress;
import	java.net.UnknownHostException;
import	java.util.Arrays;
import	junit.framework.Test;
import	junit.framework.TestCase;
import	junit.framework.TestSuite;

public class MessageTest
{
    public static class Test_init extends TestCase
    {
	public void test_0arg()
	{
	    Message m = new Message();
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(0)));
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(1)));
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(2)));
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(3)));
	    try {
		m.getSectionArray(4);
		fail("IndexOutOfBoundsException not thrown");
	    }
	    catch(IndexOutOfBoundsException e){}
	    Header h = m.getHeader();
	    assertEquals(0, h.getCount(0));
	    assertEquals(0, h.getCount(1));
	    assertEquals(0, h.getCount(2));
	    assertEquals(0, h.getCount(3));
	}

	public void test_1arg()
	{
	    Message m = new Message(10);
	    assertEquals(new Header(10).toString(), m.getHeader().toString());
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(0)));
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(1)));
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(2)));
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(3)));
	    try {
		m.getSectionArray(4);
		fail("IndexOutOfBoundsException not thrown");
	    }
	    catch(IndexOutOfBoundsException e){}
	    Header h = m.getHeader();
	    assertEquals(0, h.getCount(0));
	    assertEquals(0, h.getCount(1));
	    assertEquals(0, h.getCount(2));
	    assertEquals(0, h.getCount(3));
	}

	public void test_newQuery() throws TextParseException,
					   UnknownHostException
	{
	    Name n = Name.fromString("The.Name.");
	    ARecord ar = new ARecord(n, DClass.IN, 1,
				     InetAddress.getByName("192.168.101.110"));

	    Message m = Message.newQuery(ar);
	    assertTrue(Arrays.equals(new Record[]{ ar }, m.getSectionArray(0)));
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(1)));
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(2)));
	    assertTrue(Arrays.equals(new Record[0], m.getSectionArray(3)));

	    Header h = m.getHeader();
	    assertEquals(1, h.getCount(0));
	    assertEquals(0, h.getCount(1));
	    assertEquals(0, h.getCount(2));
	    assertEquals(0, h.getCount(3));
	    assertEquals(Opcode.QUERY, h.getOpcode());
	    assertEquals(true, h.getFlag(Flags.RD));
	}

    }

    public static Test suite()
    {
	TestSuite s = new TestSuite();
	s.addTestSuite(Test_init.class);
	return s;
    }
}