source: class CoapEncoderTest {
  
      private CoapEncoder encoder;
  
      @Test
      public void no_content_no_option() {
  
target:         CoapMessage message = NO_CONTENT_NO_OPTION;
          ByteBuffer encoded = encoder.encode(message, null);
          Assert.assertEquals(NO_CONTENT_NO_OPTION_HEX, ByteBufferDumper.toHex(encoded));
  
      }
  
  }