assertNull(copy.getSubject(), "Clone should still return null after refresh");
        }
    }

    @Test
    @DisplayName("renew: invokes getSubject and returns self")
    void testRenewInvokesGetSubjectAndReturnsSelf() {
        JAASAuthenticator auth = spy(new JAASAuthenticator());
        // Avoid real JAAS by stubbing getSubject

   * e.g., to check ordering in lists, but realize that <strong>unless a test extends {@link
   * com.google.common.collect.testing.testers.AbstractListTester AbstractListTester}, a call to
   * {@code expectContents()} invokes this version</strong>.
   *
   * @param expected expected value of {@link #container}
   */
  /*
   * TODO: improve this and other implementations and move out of this framework
   * for wider use
   *

 * correctly, calls must be chained as illustrated above.
 *
 * <p>Performance note: Even though the {@code ComparisonChain} caller always invokes its {@code
 * compare} methods unconditionally, the {@code ComparisonChain} implementation stops calling its
 * inputs' {@link Comparable#compareTo compareTo} and {@link Comparator#compare compare} methods as

            assertEquals(jcifs.SID.SID_TYPE_UNKNOWN, s.getType());
        }

        @Test
        @DisplayName("resolveSids(DcerpcHandle,...) with empty SID array still invokes sendrecv")
        void resolveSids_emptyArray_stillCallsSendrecv() throws Exception {
            SIDCacheImpl cache = new SIDCacheImpl(mock(CIFSContext.class));
            DcerpcHandle handle = mock(DcerpcHandle.class);

   *
   * <p><b>Note:</b> When implementing an escaper, it is a good idea to override this method for
   * efficiency. The base class implementation determines successive Unicode code points and invokes
   * {@link #escape(int)} for each of them. If the semantics of your escaper are such that code
   * points in the supplementary range are either all escaped or all unescaped, this method can be

   *
   * <p><b>Note:</b> When implementing an escaper, it is a good idea to override this method for
   * efficiency. The base class implementation determines successive Unicode code points and invokes
   * {@link #escape(int)} for each of them. If the semantics of your escaper are such that code
   * points in the supplementary range are either all escaped or all unescaped, this method can be

   */
  public abstract boolean isOverridable();

  /** Returns {@code true} if this was declared to take a variable number of arguments. */
  public abstract boolean isVarArgs();

  /**
   * Invokes with {@code receiver} as 'this' and {@code args} passed to the underlying method and
   * returns the return value; or calls the underlying constructor with {@code args} and returns the
   * constructed instance.
   *

 * @since 2.0
 */
@GwtCompatible
public final class Functions {
  private Functions() {}

  /**
   * A function equivalent to the method reference {@code Object::toString}. The function simply
   * invokes {@code toString} on its argument and returns the result. It throws a {@link
   * NullPointerException} on null input.
   *
   * <p><b>Warning:</b> The returned function may not be <i>consistent with equals</i> (as

   * {@code asList().contains(target)}.
   */
  public boolean contains(long target) {
    return indexOf(target) >= 0;
  }

  /**
   * Invokes {@code consumer} for each value contained in this array, in order.
   *
   * @since 33.4.0 (but since 22.0 in the JRE flavor)
   */
  @IgnoreJRERequirement // We rely on users not to call this without library desugaring.

   * {@code asList().contains(target)}.
   */
  public boolean contains(int target) {
    return indexOf(target) >= 0;
  }

  /**
   * Invokes {@code consumer} for each value contained in this array, in order.
   *
   * @since 22.0 (but only since 33.4.0 in the Android flavor)
   */
  public void forEach(IntConsumer consumer) {
    checkNotNull(consumer);