*
   * @param collection a collection of {@code Number} instances
   * @return an array containing the same values as {@code collection}, in the same order, converted
   *     to primitives
   * @throws NullPointerException if {@code collection} or any of its elements is null
   * @since 1.0 (parameter was {@code Collection<Short>} before 12.0)
   */
  public static short[] toArray(Collection<? extends Number> collection) {

        }
      }
    }
  }

  public void testToArray_withNull() {
    List<@Nullable Integer> list = Arrays.asList((int) 0, (int) 1, null);
    assertThrows(NullPointerException.class, () -> Ints.toArray(list));
  }

  public void testToArray_withConversion() {
    int[] array = {0, 1, 2};

    List<Byte> bytes = Arrays.asList((byte) 0, (byte) 1, (byte) 2);

   * possible.
   *
   * @param sources the sources to concatenate
   * @return a {@code CharSource} containing the concatenated data
   * @throws NullPointerException if any of {@code sources} is {@code null}
   * @since 15.0
   */
  public static CharSource concat(Iterator<? extends CharSource> sources) {
    return concat(ImmutableList.copyOf(sources));
  }

  /**

   *
   * @param collection a collection of {@code Number} instances
   * @return an array containing the same values as {@code collection}, in the same order, converted
   *     to primitives
   * @throws NullPointerException if {@code collection} or any of its elements is null
   * @since 1.0 (parameter was {@code Collection<Short>} before 12.0)
   */
  public static short[] toArray(Collection<? extends Number> collection) {

  }

  /**
   * A {@link Set} that throws {@link NullPointerException} and {@link ClassCastException} from
   * {@link #contains}.
   */
  private static final class SetContainsThrows extends AbstractSet<Void> {
    @Override
    public boolean contains(@Nullable Object o) {
      throw o == null ? new NullPointerException() : new ClassCastException();
    }

    @Override
    public int size() {

   * Objects.equals(o, element)} would return {@code true}. Otherwise returns {@code false}, even in
   * cases where {@link Collection#contains} might throw {@link NullPointerException} or {@link
   * ClassCastException}.
   */
  public static boolean contains(Iterable<?> iterable, @Nullable Object element) {
    if (iterable instanceof Collection) {

        // Arrange
        nodeStatusRequest = new NodeStatusRequest(mockConfig, null);
        byte[] dst = new byte[100];

        // Act & Assert
        assertThrows(NullPointerException.class, () -> {
            nodeStatusRequest.writeBodyWireFormat(dst, 0);
        });
    }

    @Test
    void multipleWriteBodyWireFormat_shouldProduceSameResult() {
        // Arrange

        assertEquals("Not supported", ex.getMessage());
    }

    @Test
    @DisplayName("Null delegate causes NPE")
    void nullDelegate() {
        assertThrows(NullPointerException.class, () -> {
            new FileEntryAdapterIterator(parent, null, null) {
                @Override
                protected SmbResource adapt(FileEntry e) {
                    return resource;

    void nullReference_throwsNPE() {
        // Arrange
        FileEntry e = null;
        // Act & Assert: demonstrate invalid usage results in NPE
        assertThrows(NullPointerException.class, () -> e.getName());
    }

    @Nested
    @DisplayName("Mockito stubbing for edge cases")
    class MockitoEdgeCases {
        @Test

      assertThat(PairedStats.fromByteArray(pairedStatsByteArray)).isEqualTo(pairedStats);
    }
  }

  public void testFromByteArray_withNullInputThrowsNullPointerException() {
    assertThrows(NullPointerException.class, () -> PairedStats.fromByteArray(null));
  }

  public void testFromByteArray_withEmptyArrayInputThrowsIllegalArgumentException() {