x-net/src/test/impl/java.injected/org/apache/harmony/xnet/provider/jsse/ClientHelloTest.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.harmony.xnet.provider.jsse;

import java.io.IOException;
import java.security.SecureRandom;
import java.util.Arrays;

import junit.framework.TestCase;

/**
 * Tests for <code>ClientHello</code> constructor and methods
 */
public class ClientHelloTest extends TestCase {


    /*
      * Test for ClientHello(SecureRandom, byte[], byte[], CipherSuite[]),
      * ClientHello(HandshakeIODataStream, int), getType(), getRandom(), and
      * send();
      */
    public void testClientHello() throws Exception {
        byte[] ses_id = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
        byte[] version = new byte[] { 3, 1 };
        CipherSuite[] cipher_suite = new CipherSuite[] {
                CipherSuite.TLS_RSA_WITH_RC4_128_MD5 };
        ClientHello message = new ClientHello(new SecureRandom(), version,
                ses_id, cipher_suite);
        assertEquals("incorrect type", Handshake.CLIENT_HELLO, message.getType());
        assertEquals("incorrect length", 51, message.length());
        assertEquals("incorrect random", 32, message.getRandom().length);

        HandshakeIODataStream out = new HandshakeIODataStream();
        message.send(out);
        byte[] encoded = out.getData(1000);
        assertEquals("incorrect out data length", message.length(), encoded.length);

        HandshakeIODataStream in = new HandshakeIODataStream();
        in.append(encoded);
        ClientHello message_2 = new ClientHello(in, message.length());

        assertTrue("Incorrect message decoding",
                Arrays.equals(message.client_version, message_2.client_version));
        assertTrue("Incorrect message decoding",
                Arrays.equals(message.getRandom(), message_2.getRandom()));

        in.append(encoded);
        try {
            message_2 = new ClientHello(in, message.length() - 1);
            fail("Small length: No expected AlertException");
        } catch (AlertException e) {
        }

        in.append(encoded);
        try {
            message_2 = new ClientHello(in, message.length() + 1);
            fail("Big length: No expected IO exception");
        } catch (IOException e) {
        }

        in.append(encoded);
        in.append(new byte[] { 1, 2, 3 });
        new ClientHello(in, message.length() + 3);    // extra bytes must be
        // ignored
    }

}