@NullUnmarked
final class MathBenchmarking {
  static final int ARRAY_SIZE = 0x10000;
  static final int ARRAY_MASK = 0x0ffff;
  static final Random RANDOM_SOURCE = new Random(314159265358979L);
  static final int MAX_EXPONENT = 100;

  /*
   * Duplicated from LongMath.
   * binomial(biggestBinomials[k], k) fits in a long, but not
   * binomial(biggestBinomials[k] + 1, k).
   */
  static final int[] biggestBinomials = {
    Integer.MAX_VALUE,

    }

    /**
     * Gets the lease epoch from the V2 response
     * @return the epoch
     */
    public int getEpoch() {
        return epoch;
    }

    @Override
    public int decode(byte[] buffer, int bufferIndex, int len) throws SMBProtocolDecodingException {
        int start = bufferIndex;

        if (len < 52) {

     * @param out the output stream
     * @return the number of bytes copied
     */
    protected static int copyInternal(final InputStream in, final OutputStream out) {
        try {
            final byte[] buf = new byte[DEFAULT_BUF_SIZE];
            int len;
            int amount = 0;
            while ((len = in.read(buf)) != -1) {
                out.write(buf, 0, len);
                amount += len;

   * indexable using ints.
   */
  static final int MAXIMUM_CAPACITY = 1 << 30;

  /** The maximum number of segments to allow; used to bound constructor arguments. */
  static final int MAX_SEGMENTS = 1 << 16; // slightly conservative

  /** Number of (unsynchronized) retries in the containsValue method. */
  static final int CONTAINS_VALUE_RETRIES = 3;

  /**

    void testHandleLeaseBreak() {
        String path = "/share/file.txt";
        int initialState = Smb2LeaseState.SMB2_LEASE_FULL;
        int newState = Smb2LeaseState.SMB2_LEASE_READ_CACHING;

        Smb2LeaseKey key = leaseManager.requestLease(path, initialState);
        leaseManager.updateLease(key, initialState);

        int initialEpoch = leaseManager.getLease(key).getEpoch();

        long overallStart = System.nanoTime();

        for (int t = 0; t < threadCount; t++) {
            final int threadId = t;
            executor.submit(() -> {
                try {
                    startLatch.await();

                    long threadStart = System.nanoTime();
                    for (int i = 0; i < operationsPerThread; i++) {
                        try {

        response.wordCount = 0;
        int bytesRead = response.readParameterWordsWireFormat(buffer, 0);
        assertEquals(0, bytesRead);
    }

    /**
     * Test of readBytesWireFormat method, of class SmbComQueryInformationResponse.
     */
    @Test
    public void testReadBytesWireFormat() {
        byte[] buffer = new byte[10];
        int bufferIndex = 0;

    }

    @Override
    int writeBodyWireFormat(final byte[] dst, final int dstIndex) {
        return writeQuestionSectionWireFormat(dst, dstIndex);
    }

    @Override
    int readBodyWireFormat(final byte[] src, final int srcIndex) {
        return readQuestionSectionWireFormat(src, srcIndex);
    }

    @Override
    int writeRDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    SmbComWriteAndXResponse() {
    }

    @Override
    int writeParameterWordsWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        count = readInt2(buffer, bufferIndex) & 0xFFFFL;

    void testReadBytesWireFormatNoop() {
        byte[] buffer = new byte[10];
        int used = cmd.readBytesWireFormat(buffer, 0);
        assertEquals(0, used, "readBytesWireFormat is unimplemented and must return 0");
    }

    private static byte[] subArray(byte[] src, int offset, int length) {
        byte[] dst = new byte[length];
        System.arraycopy(src, offset, dst, 0, length);