* inputs, rather than as if it never tolerates them.
     *
     * We rely on checkers to implement special cases to catch dangerous calls to join(), etc. based
     * on what they know about the particular Joiner instances the calls are performed on.
     *
     * (In addition to useForNull, we also offer skipNulls. It, too, tolerates null inputs, but its

              }
            } finally {
              lock.unlock();
            }
          });
    }

    @Override
    protected final void doStop() {
      // Both requireNonNull calls are safe because doStop can run only after a successful doStart.
      requireNonNull(runningTask);
      requireNonNull(executorService);
      runningTask.cancel(false);
      executorService.execute(
          () -> {

   *   <li>If {@code equivalent(x, y)} and {@code equivalent(y, z)} are both true, then {@code
   *       equivalent(x, z)} is also true (<i>transitive</i> property)
   * </ul>
   *
   * <p>Note that all calls to {@code equivalent(x, y)} are expected to return the same result as
   * long as neither {@code x} nor {@code y} is modified.
   */
  public final boolean equivalent(@Nullable T a, @Nullable T b) {
    if (a == b) {

        };

        // Execute stop
        dataStore.stop();

        assertTrue(stopCalled.get());
    }

    @Test
    public void test_stop_multipleCalls() {
        // Test multiple stop calls
        final AtomicInteger stopCallCount = new AtomicInteger(0);

        dataStore = new DataStore() {
            @Override

        verify(mockNdrBuffer).align(4);
        verify(mockNdrBuffer, times(2)).dec_ndr_long();
        verify(mockDeferredBuffer, times(3)).dec_ndr_long(); // 1 for array size + 2 for ShareInfo0 decode calls
        verify(mockDeferredBuffer).advance(8); // 4 * 2
    }

    @Test
    void testShareInfoCtr1EncodeWithArray() throws NdrException {
        srvsvc.ShareInfoCtr1 ctr1 = new srvsvc.ShareInfoCtr1();

  /**
   * True if this task faker has ever had multiple tasks scheduled to run concurrently. Guarded by
   * `this`.
   */
  var isParallel = false

  /** Number of calls to [TaskRunner.Backend.execute]. Guarded by `this`. */
  var executeCallCount = 0

  /** Guarded by [taskRunner]. */
  var nanoTime = 0L
    private set

  // a tensor with the result.
  AbstractTensorHandle* AggregateGradients(
      absl::Span<AbstractTensorHandle* const> gradient_tensors) const override;

  // Calls the passed-in backward function.
  // op_type is the op's name provided in RecordOperation.
  absl::Status CallBackwardFunction(
      const string& op_type, GradientFunction* gradient_function,

    /*
     * We test that nullSingleton.retainAll(disjointList) does NOT throw a
     * NullPointerException when disjointList does not, so we can't use
     * MinimalCollection, which throws NullPointerException on calls to
     * contains(null).
     */
    List<E> disjointList = asList(e3(), e4());
    disjoint = new Target(disjointList, "disjoint");
    superset = new Target(MinimalCollection.of(e0(), e1(), e2(), e3(), e4()), "superset");

            // Expected exception
            assertNotNull(e);
        }
    }

    @Test
    public void test_shutdown_multipleCalls() {
        // Test multiple shutdown calls
        AtomicInteger shutdownCount = new AtomicInteger(0);
        jobExecutor.addShutdownListener(new ShutdownListener() {
            @Override
            public void onShutdown() {

    // Test that the class implements InvokerAssistant interface
    @Test
    public void test_implementsInterface() {
        assertTrue(invokerAssistant instanceof InvokerAssistant);
    }

    // Test multiple calls to the same method return consistent results
    @Test
    public void test_methodConsistency() {
        // Test assistClientInvokeNames consistency
        String[] names1 = invokerAssistant.assistClientInvokeNames();