static final byte UNSET = 0;

  /** Number of bits used to store the numbers of hash table bits (max 30). */
  private static final int HASH_TABLE_BITS_MAX_BITS = 5;

  /** Use high bits of metadata for modification count. */
  static final int MODIFICATION_COUNT_INCREMENT = 1 << HASH_TABLE_BITS_MAX_BITS;

  /** Bitmask that selects the low bits of metadata to get hashTableBits. */

        @Test
        @DisplayName("Should indicate search bits support")
        void testIsSupportSearchBits() throws Exception {
            // Test with search bits supported
            setPrivateField(response, "supportSearchBits", true);
            assertTrue(response.isSupportSearchBits(), "Should indicate search bits support");

            // Test without search bits support

 * limitations under the License.
 */
package okhttp3.tls.internal.der

import okio.ByteString

/**
 * Like a [ByteString], but whose bits are not necessarily a strict multiple of 8.
 */
internal data class BitString(
  val byteString: ByteString,
  /** 0-7 unused bits in the last byte. */
  val unusedBitsCount: Int,
) {
  // Avoid Long.hashCode(long) which isn't available on Android 5.
  override fun hashCode(): Int {

    public static final int ACB_NORMAL = 16;
    /** Account control bit flag: MNS logon user account */
    public static final int ACB_MNS = 32;
    /** Account control bit flag: Interdomain trust account */
    public static final int ACB_DOMTRUST = 64;
    /** Account control bit flag: Workstation trust account */
    public static final int ACB_WSTRUST = 128;

    public static final int ACB_NORMAL = 16;
    /** Account control bit flag: MNS logon user account */
    public static final int ACB_MNS = 32;
    /** Account control bit flag: Interdomain trust account */
    public static final int ACB_DOMTRUST = 64;
    /** Account control bit flag: Workstation trust account */
    public static final int ACB_WSTRUST = 128;

            // "c) bits 7 to 1 of the first subsequent octet shall not all be zero."
            if (0 == tagNo) {
                throw new IOException("corrupted stream - invalid high tag number found");
            }

            while ((b & 0x80) != 0) {
                if (tagNo >>> 24 != 0) {
                    throw new IOException("Tag number more than 31 bits");
                }

    val symbol: Int

    /** Number of bits represented in the terminal node. */
    val terminalBitCount: Int

    /** Construct an internal node. */
    constructor() {
      this.children = arrayOfNulls(256)
      this.symbol = 0 // Not read.
      this.terminalBitCount = 0 // Not read.
    }

    /** Construct a terminal node. */
    constructor(symbol: Int, bits: Int) {
      this.children = null

  static final byte UNSET = 0;

  /** Number of bits used to store the numbers of hash table bits (max 30). */
  private static final int HASH_TABLE_BITS_MAX_BITS = 5;

  /** Use high bits of metadata for modification count. */
  static final int MODIFICATION_COUNT_INCREMENT = 1 << HASH_TABLE_BITS_MAX_BITS;

  /** Bitmask that selects the low bits of metadata to get hashTableBits. */

  }

  private static final int MAXIMUM_CAPACITY = 1 << 30;

  static final float DEFAULT_LOAD_FACTOR = 1.0f;

  /** Bitmask that selects the low 32 bits. */
  private static final long NEXT_MASK = (1L << 32) - 1;

  /** Bitmask that selects the high 32 bits. */
  private static final long HASH_MASK = ~NEXT_MASK;

  static final int DEFAULT_SIZE = 3;

  // used to indicate blank table entries

        assertEquals(123, ex.getNtStatus());
    }

    /**
     * Parameterised test covering many error codes.
     * - Error code 0 returns 0 (NT_STATUS_SUCCESS)
     * - Negative values with 0xC0000000 bits set are returned as-is
     * - Positive values not in DOS_ERROR_CODES map to NT_STATUS_UNSUCCESSFUL
     */
    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 123, -7 })
    void testGetNtStatusVariousCodes(int errcode) {