String[] array = Iterators.toArray(iterator, String.class);
    assertTrue(Arrays.equals(new String[0], array));
  }

  @GwtIncompatible // Iterators.toArray(Iterator, Class)
  public void testToArraySingleton() {
    Iterator<String> iterator = singletonList("a").iterator();
    String[] array = Iterators.toArray(iterator, String.class);
    assertTrue(Arrays.equals(new String[] {"a"}, array));
  }

            // Additional passes with different patterns for enhanced security
            Arrays.fill(array, (byte) 0xFF);
            Arrays.fill(array, (byte) 0xAA);
            Arrays.fill(array, (byte) 0x55);
            Arrays.fill(array, (byte) 0);
        }
    }

          array[i] = counter.getAndIncrement();
        }
        builder.addAll(ImmutableDoubleArray.copyOf(array));
      }
    },
    ADD_LARGER_ARRAY {
      @Override
      void doIt(ImmutableDoubleArray.Builder builder, AtomicInteger counter) {
        double[] array = new double[random.nextInt(200) + 200];
        for (int i = 0; i < array.length; i++) {
          array[i] = counter.getAndIncrement();

  private static void testSortDescending(byte[] input, byte[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    SignedBytes.sortDescending(input);
    assertThat(input).isEqualTo(expectedOutput);
  }

  private static void testSortDescending(
      byte[] input, int fromIndex, int toIndex, byte[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    SignedBytes.sortDescending(input, fromIndex, toIndex);

                bytes[byteIndex++] = (byte) (0x80 | (c & 0x3F));
            }
        }

        return Arrays.copyOf(bytes, byteIndex);
    }

    /**
     * Convert byte array to char array (UTF-8)
     */
    private char[] bytesToChars(byte[] bytes) {
        if (bytes == null) {
            return null;
        }

        // Decode UTF-8

  private static final Iterable<Integer> iterable = Arrays.<Integer>asList();
  private static final Iterable<Integer> iterable1 = Arrays.asList(1);
  private static final Iterable<Integer> iterable12 = Arrays.asList(1, 2);
  private static final Iterable<Integer> iterable123 = Arrays.asList(1, 2, 3);
  private static final Iterable<@Nullable Integer> iterableNull = Arrays.asList((Integer) null);

      }
    }
  }

  /**
   * Resizes the internal entries array to the specified capacity, which may be greater or less than
   * the current capacity.
   */
  void resizeEntries(int newCapacity) {
    this.entries = Arrays.copyOf(requireEntries(), newCapacity);
    this.keys = Arrays.copyOf(requireKeys(), newCapacity);
    this.values = Arrays.copyOf(requireValues(), newCapacity);
  }

  @CanIgnoreReturnValue

    Object[] array = new Object[12 + others.length];
    array[0] = e1;
    array[1] = e2;
    array[2] = e3;
    array[3] = e4;
    array[4] = e5;
    array[5] = e6;
    array[6] = e7;
    array[7] = e8;
    array[8] = e9;
    array[9] = e10;
    array[10] = e11;
    array[11] = e12;
    System.arraycopy(others, 0, array, 12, others.length);
    return construct(array);

        if (this.password != null) {
            // Multi-pass secure wipe of password char array
            Arrays.fill(this.password, '\0');
            Arrays.fill(this.password, '\uFFFF');
            Arrays.fill(this.password, '\uAAAA');
            Arrays.fill(this.password, '\u5555');
            Arrays.fill(this.password, '\0');
            this.password = null;
        }

  }

  /** Returns whether arrays need to be allocated. */
  boolean needsAllocArrays() {
    return table == null;
  }

  /** Handle lazy allocation of arrays. */
  @CanIgnoreReturnValue
  int allocArrays() {
    Preconditions.checkState(needsAllocArrays(), "Arrays already allocated");

    int expectedSize = metadata;