}
      }
      assertThat(service.state()).isNotEqualTo(from);
    }

    @Override
    public synchronized void terminated(State from) {
      assertEquals(from, Iterables.getLast(stateHistory, State.NEW));
      stateHistory.add(State.TERMINATED);
      assertEquals(State.TERMINATED, service.state());
      if (from == State.NEW) {
        try {
          service.awaitRunning();
          fail();

        }
      }
      assertThat(service.state()).isNotEqualTo(from);
    }

    @Override
    public synchronized void terminated(State from) {
      assertEquals(from, Iterables.getLast(stateHistory, State.NEW));
      stateHistory.add(State.TERMINATED);
      assertEquals(State.TERMINATED, service.state());
      if (from == State.NEW) {
        try {
          service.awaitRunning();
          fail();

     *
     * @param zterm whether the string should be zero terminated
     */
    public UnicodeString(final boolean zterm) {
        this.zterm = zterm;
    }

    /**
     * Constructs a UnicodeString by wrapping an existing unicode_string.
     *
     * @param rus wrapped string
     * @param zterm whether the string should be zero terminated
     */

    TestService service = new TestService();
    service.stopAsync().awaitTerminated();
    assertEquals(0, service.startUpCalled);
    assertEquals(0, service.shutDownCalled);
    assertEquals(Service.State.TERMINATED, service.state());
    assertThat(service.transitionStates).isEmpty();
  }

  public void testStop_afterStart() {
    TestService service = new TestService();
    service.startAsync().awaitRunning();

        int len = smb.writeString(testString, buffer, 1);
        // When dstIndex=1 and headerStart=1, (1-1)%2=0, no alignment padding needed
        // Length is string bytes (15*2) + 2 null terminators = 32
        assertEquals(testString.length() * 2 + 2, len);
        String readString = smb.readString(buffer, 1);
        assertEquals(testString, readString);
    }

    @Test

    service.stopAsync();
    service.stopAsync();
    service.stopAsync().awaitTerminated();
    assertEquals(Service.State.TERMINATED, service.state());
    service.stopAsync().awaitTerminated();
    assertEquals(Service.State.TERMINATED, service.state());

    executionThread.join();
  }

  public void testServiceExitingOnItsOwn() throws Exception {

    assertLessThan(NEW, STARTING);
    assertLessThan(NEW, TERMINATED);

    assertLessThan(STARTING, RUNNING);
    assertLessThan(STARTING, STOPPING);
    assertLessThan(STARTING, FAILED);

    assertLessThan(RUNNING, STOPPING);
    assertLessThan(RUNNING, FAILED);

    assertLessThan(STOPPING, FAILED);
    assertLessThan(STOPPING, TERMINATED);
  }

    return new ListenerCallQueue.Event<Listener>() {
      @Override
      public void call(Listener listener) {
        listener.terminated(from);
      }

      @Override
      public String toString() {
        return "terminated({from = " + from + "})";
      }
    };
  }

  private static ListenerCallQueue.Event<Listener> stoppingEvent(State from) {

    service.stopAsync();
    service.stopAsync();
    service.stopAsync().awaitTerminated();
    assertEquals(Service.State.TERMINATED, service.state());
    service.stopAsync().awaitTerminated();
    assertEquals(Service.State.TERMINATED, service.state());

    executionThread.join();
  }

  public void testServiceExitingOnItsOwn() throws Exception {

     *            whether the string should be zero terminated
     */
    public UnicodeString(final boolean zterm) {
        this.zterm = zterm;
    }

    /**
     * Constructs a UnicodeString by wrapping an existing unicode_string.
     *
     * @param rus
     *            wrapped string
     * @param zterm
     *            whether the string should be zero terminated
     */