indexUpdater.finishCrawling = true;
        indexUpdater.destroy();
        // finishCrawling should be set when max empty list count is exceeded
        // In test environment this may not work as expected
        // assertTrue(indexUpdater.finishCrawling);
    }

    // Test addFinishedSessionId
    public void test_addFinishedSessionId() {
        final String sessionId = "session123";

            // Should catch the exception and return EXIT_FAIL
            assertEquals(Constants.EXIT_FAIL, result);
        } catch (RuntimeException e) {
            // Expected behavior - test exception propagates
            assertEquals("Test exception", e.getMessage());
        }
    }

    // Test writeTimeToSessionInfo method

    char[] sharedArray = new char[arraysDim2];
    Arrays.fill(arrays, sharedArray);

    try {
      Chars.concat(arrays);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  @GwtIncompatible // Chars.fromByteArray
  public void testFromByteArray() {
    assertThat(Chars.fromByteArray(new byte[] {0x23, 0x45, (byte) 0xDC})).isEqualTo('\u2345');

 * as an {@link Iterable} or {@link Iterator}, prefer {@link Ordering#leastOf(Iterable, int)}.
 *
 * <p>This uses the same efficient implementation as {@link Ordering#leastOf(Iterable, int)},
 * offering expected O(n + k log k) performance (worst case O(n log k)) for n calls to {@link
 * #offer} and a call to {@link #topK}, with O(k) memory. In comparison, quickselect has the same

        try {
            queryFieldConfig.isApiResponseField("field1");
            fail("Should throw NullPointerException");
        } catch (NullPointerException e) {
            // Expected
        }
    }

    public void test_getResponseFields() {
        String[] fields = { "field1", "field2", "field3" };
        queryFieldConfig.setResponseFields(fields);

    File file = createTempFile();
    Files.write(bytes, file);

    // Test
    MappedByteBuffer actual = Files.map(file);

    // Verify
    ByteBuffer expected = ByteBuffer.wrap(bytes);
    assertTrue("ByteBuffers should be equal.", expected.equals(actual));
  }

  public void testMap_noSuchFile() throws IOException {
    // Setup
    File file = createTempFile();
    boolean deleted = file.delete();

    try {
      collection.retainAll(target.toRetain);
      String message = Platform.format("retainAll(%s) should throw", target);
      fail(message);
    } catch (UnsupportedOperationException expected) {
    }
  }

  private void expectReturnsFalseOrThrows(Target target) {
    String message = Platform.format("retainAll(%s) should return false or throw", target);
    try {

        }

        @Test
        @DisplayName("Should handle null buffer")
        void testReadBytesWithNullBuffer() {
            // This is expected behavior for echo request - no reading needed
            assertDoesNotThrow(() -> {
                int result = echoRequest.readBytesWireFormat(null, 0);
                assertEquals(0, result);
            });

        try {
            aggregateLogJob.execute();
            fail("OutOfMemoryError should not be caught by Exception handler");
        } catch (OutOfMemoryError e) {
            // Expected - OutOfMemoryError is not caught by Exception handler
            assertEquals("Simulated OOM", e.getMessage());
        }
    }

    public void test_execute_multipleDifferentExceptions() {

     * point, Finalizer can stop running
     */
    if (!finalizableReferenceClass.getName().equals(FINALIZABLE_REFERENCE)) {
      throw new IllegalArgumentException("Expected " + FINALIZABLE_REFERENCE + ".");
    }

    Finalizer finalizer = new Finalizer(finalizableReferenceClass, queue, frqReference);
    String threadName = Finalizer.class.getName();
    Thread thread = null;