core/src/test/java/org/apache/ftpserver/clienttests/DecoderTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.ftpserver.clienttests;

import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.MalformedInputException;

import org.apache.commons.codec.DecoderException;
import org.apache.commons.codec.binary.Hex;
import org.apache.commons.net.ftp.FTPClient;


/**
*
* @author <a href="http://mina.apache.org">Apache MINA Project</a>*
*/
public class DecoderTest extends ClientTestTemplate {
    private String dump = "4C 49 53 54 20 61 62 63 64 AE 2E 0D 0A".replace(" ", "");
    
    byte[] b;

    public DecoderTest() throws DecoderException {
        b = Hex.decodeHex(dump.toCharArray());
    }
    
    public void testDecodeError() throws CharacterCodingException {
        CharsetDecoder decoder = Charset.forName("UTF-8").newDecoder();
        ByteBuffer buffer = ByteBuffer.wrap(b);
        
        try {
            decoder.decode(buffer);
            fail("Must throw MalformedInputException");
        } catch (MalformedInputException e) {
            // OK
        }
    }
    
    private static class MyFTPClient extends FTPClient {
        public void sendRawCommand(byte[] b) throws IOException {
            OutputStream out =_socket_.getOutputStream();
            out.write(b);
        }
    }
    
    protected FTPClient createFTPClient() throws Exception {
        FTPClient client = new MyFTPClient();
        client.setDefaultTimeout(10000);
        return client;
    }

    public void testInvalidCharacter() throws Exception {
        client.login(ADMIN_USERNAME, ADMIN_PASSWORD);

        ((MyFTPClient)client).sendRawCommand(b);
        client.completePendingCommand();

        assertEquals(501, client.getReplyCode());
    }

}