/*
 * Copyright 2003-2004 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.commons.net.telnet;
import junit.framework.TestCase;

/***
 * The TelnetOptionHandlerTest is the abstract class for
 * testing TelnetOptionHandler. It can be used to derive
 * the actual test classes for TelnetOptionHadler derived
 * classes, by adding creation of three new option handlers
 * and testing of the specific subnegotiation behaviour.
 * 

 * @author Bruno D'Avanzo
 ***/
public abstract class TelnetOptionHandlerTestAbstract extends TestCase
{
    TelnetOptionHandler opthand1;
    TelnetOptionHandler opthand2;
    TelnetOptionHandler opthand3;

    /***
     * setUp for the test. The derived test class must implement
     * this method by creating opthand1, opthand2, opthand3
     * like in the following:
     *     opthand1 = new EchoOptionHandler();
     *     opthand2 = new EchoOptionHandler(true, true, true, true);
     *     opthand3 = new EchoOptionHandler(false, false, false, false);
     ***/
    protected abstract void setUp();

    /***
     * test of the constructors. The derived class may add
     * test of the option code.
     ***/
    public void testConstructors()
    {
        // add test of the option code
        assertTrue(!opthand1.getInitLocal());
        assertTrue(!opthand1.getInitRemote());
        assertTrue(!opthand1.getAcceptLocal());
        assertTrue(!opthand1.getAcceptRemote());

        assertTrue(opthand2.getInitLocal());
        assertTrue(opthand2.getInitRemote());
        assertTrue(opthand2.getAcceptLocal());
        assertTrue(opthand2.getAcceptRemote());

        assertTrue(!opthand3.getInitLocal());
        assertTrue(!opthand3.getInitRemote());
        assertTrue(!opthand3.getAcceptLocal());
        assertTrue(!opthand3.getAcceptRemote());
    }

    /***
     * test of setWill/getWill
     ***/
    public void testWill()
    {
        opthand2.setWill(true);
        opthand3.setWill(false);

        assertTrue(!opthand1.getWill());
        assertTrue(opthand2.getWill());
        assertTrue(!opthand3.getWill());
    }

    /***
     * test of setDo/getDo
     ***/
    public void testDo()
    {
        opthand2.setDo(true);
        opthand3.setDo(false);

        assertTrue(!opthand1.getDo());
        assertTrue(opthand2.getDo());
        assertTrue(!opthand3.getDo());
    }

    /***
     * test of client-driven subnegotiation. Abstract test:
     * the derived class should implement it.
     ***/
    public abstract void testStartSubnegotiation();

    /***
     * test of server-driven subnegotiation. Abstract test:
     * the derived class should implement it.
     ***/
    public abstract void testAnswerSubnegotiation();
        // test subnegotiation
}