content: /*******************************************************************************
   * Copyright 2011 Albin Theander
   * 
   * 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.meqantt.message;
  
  import static org.junit.Assert.*;
  
  import org.junit.Before;
  import org.junit.Test;
  import org.meqantt.message.PingReqMessage;
  import org.meqantt.message.QoS;
  
  
  public class PingReqMessageTest {
  
  	private PingReqMessage msg;
  
  	@Before
  	public void setUp() {
  		msg = new PingReqMessage();
  	}
  
  	@Test
  	public void messageIsCorrectlyEncoded() {
  		byte[] data = msg.toBytes();
  		assertEquals(0xC0, data[0] & 0xF0); // messageId = 12
  		assertEquals(0, data[1]); // remaining length = 0;
  	}
  
  	@Test(expected = UnsupportedOperationException.class)
  	public void dupFlagIsNotAllowed() {
  		msg.setDup(true);
  	}
  	
  	@Test(expected = UnsupportedOperationException.class)
  	public void qosFlagsAreNotAllowed() {
  		msg.setQos(QoS.AT_LEAST_ONCE);
  	}
  	
  	@Test(expected = UnsupportedOperationException.class)
  	public void retainFlagIsNotAllowed() {
  		msg.setRetained(true);
  	}
  }
  