private void reset() {
        url = null;
        sae = null;
    }

    /**
     * Set the default <code>NtlmAuthenticator</code>. Once the default authenticator is set it cannot be changed. Calling this metho again will have no effect.
     * @param a the authenticator to set as default
     */

    public synchronized static void setDefault(final NtlmAuthenticator a) {
        if (auth != null) {

 */

package jcifs.internal.smb1.trans;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.Configuration;

/**
 * SMB1 transaction subcommand for calling a named pipe.
 *
 * This class implements the TRANS_CALL_NAMED_PIPE transaction which allows
 * writing data to and reading data from a named pipe in a single operation.
 */

    private String url;
    private SmbAuthException sae;

    /**
     * Set the default <code>NtlmAuthenticator</code>. Once the default authenticator is set it cannot be changed. Calling
     * this metho again will have no effect.
     *
     * @param a the authenticator to set as default
     */

    public synchronized static void setDefault(final NtlmAuthenticator a) {
        if (auth != null) {

        Mockito.verify(mock, Mockito.times(1)).getLastAccessTime();
        Mockito.verify(mock, Mockito.times(1)).getSize();
        Mockito.verifyNoMoreInteractions(mock);
    }

    // --- Invalid/null usage: calling a method on null should throw NPE ---
    @Test
    void nullReference_throwsNullPointerException() {
        // Arrange
        SmbBasicFileInfo info = null;

            // Given: Test handle with configured return values
            handle.setDoSendReceiveFragmentReturn(100);
            handle.setDoReceiveFragmentReturn(50);

            // When: Calling fragment methods
            int sendReceiveResult = handle.doSendReceiveFragment(new byte[10], 0, 10, new byte[100]);
            int receiveResult = handle.doReceiveFragment(new byte[100]);

    if (digits == 0) {
      return new BigInteger(1, RANDOM_SOURCE);
    } else {
      return new BigInteger(digits, RANDOM_SOURCE).setBit(digits);
    }
  }

  /**
   * Equivalent to calling randomPositiveBigInteger(numBits) and then flipping the sign with 50%
   * probability.
   */
  static BigInteger randomNonZeroBigInteger(int numBits) {
    BigInteger result = randomPositiveBigInteger(numBits);

            if (this.andxOffset == 0) { /* Snap server workaround */
                this.andxCommand = (byte) 0xFF;
            }

            /*
             * no point in calling readParameterWordsWireFormat if there are no more
             * parameter words. besides, win98 doesn't return "OptionalSupport" field
             */

            if (this.wordCount > 2) {

      assertWrapsInterruptedException(expected);
    } finally {
      interruptenator.shutdown();
      Thread.interrupted();
    }
  }

  /**
   * awaitFullGc() is not quite as reliable a way to ensure calling of a specific finalize method as
   * the more direct await* methods, but should be reliable enough in practice to avoid flakiness of
   * this test. (And if it isn't, we'd like to know about it first!)
   */

   *
   * @see Map#hashCode
   */
  @Override
  public int hashCode() {
    return asMap().hashCode();
  }

  /**
   * Returns a string representation of the multimap, generated by calling {@code toString} on the
   * map returned by {@link Multimap#asMap}.
   *
   * @return a string representation of the multimap
   */
  @Override
  public String toString() {
    return asMap().toString();

   * {@code schedule}, {@code scheduleAtFixedRate}, and {@code scheduleWithFixedDelay}. In the case
   * of tasks submitted by {@code invokeAll} or {@code invokeAny}, tasks will run serially on the
   * calling thread. Tasks are run to completion before a {@code Future} is returned to the caller
   * (unless the executor has been shutdown).
   *
   * <p>The returned executor is backed by the executor returned by {@link