verify(handle, never()).close(anyLong());
    }

    // Invalid input: constructing with null handle and invoking watch() NPEs
    @Test
    @DisplayName("Null handle causes NPE on watch() (invalid input)")
    void constructor_nullHandle_watch_throwsNPE() {
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(null, 0, false);

        assertThrows(NullPointerException.class, () -> {
            sut.watch();

    /**
     * Test that the constructor handles a null channel binding hash.
     */
    @Test
    void testConstructorWithNullHash() {
        AvChannelBindings avChannelBindings = new AvChannelBindings(null);

        assertEquals(AvPair.MsvAvChannelBindings, avChannelBindings.getType(), "Type should be MsvAvChannelBindings");
        assertNull(avChannelBindings.getRaw(), "Value should be null when null hash is provided");
    }

    /**

    }

    /**
     * Null pointer scenario – calls on a null reference should raise
     * {@link NullPointerException}. This test is defensive; in real code it
     * would likely be handled elsewhere.
     */
    @Test
    @DisplayName("calling getters on null reference throws NPE")
    void testNullReference() {
        AllocInfo nullRef = null;

        final Map<String, Object> sourceMap = new HashMap<>();
        if (name != null) {
            sourceMap.put("name", name);
        }
        if (password != null) {
            sourceMap.put("password", password);
        }
        if (groups != null) {
            sourceMap.put("groups", groups);
        }
        if (roles != null) {
            sourceMap.put("roles", roles);
        }

  }

  @Override
  public final boolean containsValue(@Nullable Object value) {
    return delegate.containsValue(value);
  }

  @Override
  public @Nullable V get(@Nullable Object key) {
    return (key == null) ? null : Maps.safeGet(delegate, key);
  }

  @Override
  ImmutableSet<Entry<K, V>> createEntrySet() {
    return ImmutableSet.unsafeDelegate(
        new ForwardingSet<Entry<K, V>>() {
          @Override

//
// Any NULL and non-NULL value combinations for (`run_options`,
// `run_metadata`) are valid.
//
//    - `run_options` may be NULL, in which case it will be ignored; or
//      non-NULL, in which case it must point to a `TF_Buffer` containing the
//      serialized representation of a `RunOptions` protocol buffer.
//    - `run_metadata` may be NULL, in which case it will be ignored; or

        pageSize = getDefaultPageSize();
        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
        port = null;
        username = null;
        fileConfigId = null;
        createdBy = null;
        createdTime = null;
        versionNo = null;

    }

    /**
     * Gets the default current page number.
     *
     * @return the default current page number

    assertThrows(NullPointerException.class, () -> throwIfUnchecked(null));
  }

  @J2ktIncompatible
  @GwtIncompatible // propagateIfPossible
  // I guess it's technically a bug that ThrowIfUncheckedKnownUnchecked fires here.
  @SuppressWarnings("ThrowIfUncheckedKnownUnchecked")
  public void testPropageIfPossible_null() {
    propagateIfPossible(null);
  }

  @J2ktIncompatible

        if (addr != null) {
            try {
                return InetAddress.getByName(addr);
            } catch (final UnknownHostException uhe) {
                log.error("Ignoring jcifs.smb.client.laddr address: " + addr, uhe);
            }
        }

        return null;
    }

    /**

        // reserved2 (4 bytes)
        pos += 4;

        // Write payload data: input then output
        if (inputCount > 0 && inputBytes != null) {
            System.arraycopy(inputBytes, 0, buf, pos, inputCount);
            pos += inputCount;
        }
        if (outputCount > 0 && outputBytes != null) {
            System.arraycopy(outputBytes, 0, buf, pos, outputCount);
        }
        return buf;
    }