verify(resource, times(2)).close();
    }

    @Test
    @DisplayName("Iterator with filter throwing exception")
    void iteratorWithFilterException() throws Exception {
        // Setup: first attempt throws, second succeeds
        FileEntry entry1 = mock(FileEntry.class);
        FileEntry entry2 = mock(FileEntry.class);

        when(delegate.hasNext()).thenReturn(true, true, false);

	return &s3Error{
		code:       "CastFailed",
		message:    "Attempt to convert from one data type to another using CAST failed in the SQL expression.",
		statusCode: 400,
		cause:      err,
	}
}

func errInvalidCast(err error) *s3Error {
	return &s3Error{
		code:       "InvalidCast",
		message:    "Attempt to convert from one data type to another using CAST failed in the SQL expression.",

        @Override
        public void onRegistrationExpired(WitnessRegistration registration) {
            log.warn("Witness registration expired: {}", registration.getRegistrationId());
            // Could attempt re-registration here
        }
    }

    /**
     * Handle a witness event
     *
     * @param notification the witness notification
     */

        context.put("sessionId", "abc123def456");
        context.put("username", "******@****.***");

        logger.logEvent(EventType.AUTHENTICATION_SUCCESS, Severity.INFO, "Login attempt", context);

        // The test verifies that the logger runs without errors when masking is enabled
        Map<EventType, Long> stats = logger.getStatistics();

    suite.addTest(
        SetTestSuiteBuilder.using(
                new TestStringSetGenerator() {

                  /**
                   * Returns a Multiset that throws an exception on any attempt to use a method not
                   * specifically authorized by the elementSet() or hashCode() docs.
                   */
                  @Override
                  protected Set<String> create(String[] elements) {

            return false;
        }
    }

    /**
     * Advances to the next file entry in the enumeration.
     *
     * @param last whether this is the last attempt to advance
     * @return the next file entry, or null if no more entries
     * @throws CIFSException if an error occurs during enumeration
     */

   * for {@code asMapOfRanges().iterator().remove()}.
   *
   * <p>The returned range map will throw an {@link IllegalArgumentException} on an attempt to
   * insert a range not {@linkplain Range#encloses(Range) enclosed} by {@code range}.
   */
  // TODO(cpovirk): Consider documenting that IAE on the various methods that can throw it.

		return err
	}

	// close everything before we delete.
	if err = gw.Close(); err != nil {
		return err
	}

	if err = r.Close(); err != nil {
		return err
	}

	// Attempt to remove after all fd's are closed.
	return os.Remove(oldLgFile)
}

func (w *Writer) rotate() error {
	if w.f != nil {
		if err := w.closeCurrentFile(); err != nil {
			return err
		}

    // Don't copy this into your own test!
    // Use e.g. awaitClear or await(CountDownLatch) instead.
    GcFinalization.awaitFullGc();

    // Attempt to help with some flakiness that we've seen: b/387521512.
    GcFinalization.awaitFullGc();

    assertEquals(0, finalizerRan.getCount());
    assertThat(ref.get()).isNull();
  }

 *       describing the property that the testcase method purports to test. The javadocs do not say
 *       anything about how the property is tested. To find out, read the code.
 *   <li>These tests are "conformance tests", and do not attempt to test throughput, latency,
 *       scalability or other performance factors (see the separate "jtreg" tests for a set intended
 *       to check these for the most central aspects of functionality.) So, most tests use the