* note that the execution order of all listeners is ultimately chosen by the implementations of
   * the supplied executors.
   *
   * <p>This method is idempotent. Calling it several times in parallel is semantically equivalent
   * to calling it exactly once.
   *
   * @since 10.0 (present in 1.0 as {@code run})
   */
  public void execute() {

     * Null pointer scenario – calls on a null reference should raise
     * {@link NullPointerException}. This test is defensive; in real code it
     * would likely be handled elsewhere.
     */
    @Test
    @DisplayName("calling getters on null reference throws NPE")
    void testNullReference() {
        AllocInfo nullRef = null;
        assertThrows(NullPointerException.class, () -> nullRef.getCapacity());

    }

    /**
     * Returns the class loader.
     * <p>
     * The class loader is searched in the following order:
     * </p>
     * <ol>
     * <li>If the context class loader is set for the calling thread, that context class loader</li>
     * <li>If the class loader that loaded the target class can be obtained, that class loader</li>
     * <li>If the class loader that loaded this class can be obtained, that class loader</li>

        assertEquals(customTree, typedResult, "Should maintain type safety");
    }

    /**
     * Test for close() idempotency.
     * Verifies that calling close multiple times has the same effect as calling it once.
     */
    @Test
    void testClose_idempotency() {
        // Mock a tree that tracks close state
        SmbTree idempotentTree = mock(SmbTree.class);

                    0, pollingFetchSize, SortBuilders.scoreSort().order(SortOrder.DESC));
        } else if (!ORDER_SEQUENTIAL.equals(crawlOrder)) {
            logger.warn("Invalid crawl order specified: {}. Falling back to sequential.", crawlOrder);
        }
        return super.fetchUrlQueueList(sessionId);
    }

    return getMultiset().setCount(element, getMultiset().count(element), count);
  }

  private void assertSetCountNegativeOldCount() {
    try {
      getMultiset().setCount(e3(), -1, 1);
      fail("calling setCount() with a negative oldCount should throw IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
  }

  // Negative oldCount.

  @CollectionFeature.Require(SUPPORTS_ADD)

  public static boolean equal(@Nullable Object a, @Nullable Object b) {
    return java.util.Objects.equals(a, b);
  }

  /**
   * Generates a hash code for multiple values. The hash code is generated by calling {@link
   * Arrays#hashCode(Object[])}. Note that array arguments to this method, with the exception of a
   * single Object array, do not get any special handling; their hash codes are based on identity
   * and not contents.

    }

    /**
     * Constructs a NetBIOS session request packet.
     *
     * @param calledName the NetBIOS name of the called (destination) host
     * @param callingName the NetBIOS name of the calling (source) host
     */
    public SessionRequestPacket(final Name calledName, final Name callingName) {
        type = SESSION_REQUEST;
        this.calledName = calledName;
        this.callingName = callingName;
    }

    assertFalse(
        "multiset.entrySet() contains a non-entry", getMultiset().entrySet().contains(e0()));
  }

  public void testEntrySet_twice() {
    assertEquals(
        "calling multiset.entrySet() twice returned unequal sets",
        getMultiset().entrySet(),
        getMultiset().entrySet());
  }

  @CollectionSize.Require(ZERO)
  public void testEntrySet_hashCode_size0() {

    assertFalse(
        "multiset.entrySet() contains a non-entry", getMultiset().entrySet().contains(e0()));
  }

  public void testEntrySet_twice() {
    assertEquals(
        "calling multiset.entrySet() twice returned unequal sets",
        getMultiset().entrySet(),
        getMultiset().entrySet());
  }

  @CollectionSize.Require(ZERO)
  public void testEntrySet_hashCode_size0() {