TestCloseable c3 = closer.register(TestCloseable.normal());

    assertFalse(c1.isClosed());
    assertFalse(c2.isClosed());
    assertFalse(c3.isClosed());

    closer.close();

    assertTrue(c1.isClosed());
    assertTrue(c2.isClosed());
    assertTrue(c3.isClosed());

    assertTrue(suppressor.suppressions.isEmpty());
  }

    TestCloseable c3 = closer.register(TestCloseable.normal());

    assertFalse(c1.isClosed());
    assertFalse(c2.isClosed());
    assertFalse(c3.isClosed());

    closer.close();

    assertTrue(c1.isClosed());
    assertTrue(c2.isClosed());
    assertTrue(c3.isClosed());

    assertTrue(suppressor.suppressions.isEmpty());
  }

 *     Reference<?> reference = new FinalizablePhantomReference<MyServer>(myServer, frq) {
 *       public void finalizeReferent() {
 *         references.remove(this):
 *         if (!serverSocket.isClosed()) {
 *           ...log a message about how nobody called close()...
 *           try {
 *             serverSocket.close();
 *           } catch (IOException e) {
 *             ...
 *           }
 *         }

 *     Reference<?> reference = new FinalizablePhantomReference<MyServer>(myServer, frq) {
 *       public void finalizeReferent() {
 *         references.remove(this):
 *         if (!serverSocket.isClosed()) {
 *           ...log a message about how nobody called close()...
 *           try {
 *             serverSocket.close();
 *           } catch (IOException e) {
 *             ...
 *           }
 *         }

  static void assertClosed(TestCloseable closeable1, TestCloseable... moreCloseables)
      throws IOException {
    for (TestCloseable closeable : asList(closeable1, moreCloseables)) {
      assertWithMessage("%s.isClosed()", closeable).that(closeable.awaitClosed()).isTrue();
    }
  }

  private ClosingFuture<Object> failedClosingFuture() {
    return ClosingFuture.from(immediateFailedFuture(exception));
  }

    public boolean isDisconnected () {
        Socket s = this.socket;
        return super.isDisconnected() || s == null || s.isClosed();
    }


    @Override
    public boolean isFailed () {
        Socket s = this.socket;
        return super.isFailed() || s == null || s.isClosed();
    }


    @Override
    public boolean hasCapability ( int cap ) throws SmbException {

  static void assertClosed(TestCloseable closeable1, TestCloseable... moreCloseables)
      throws IOException {
    for (TestCloseable closeable : asList(closeable1, moreCloseables)) {
      assertWithMessage("%s.isClosed()", closeable).that(closeable.awaitClosed()).isTrue();
    }
  }

  private ClosingFuture<Object> failedClosingFuture() {
    return ClosingFuture.from(immediateFailedFuture(exception));
  }