*/
    @Override
    public void close() {
        // nothing to clean up
        this.next = null;
    }

    @Override
    public void remove() {
        throw new UnsupportedOperationException("remove");
    }

        String sessionId = "test-session-013";
        urlFilter.init(sessionId);

        try {
            urlFilter.processUrl(null);
            // Should handle null gracefully or throw appropriate exception
        } catch (NullPointerException e) {
            // Expected behavior for null input
            assertTrue(true);
        }
    }

    /**
     * Test processUrl with empty URL

     * The wildcard parameter is stored but its filtering logic is handled server-side,
     * so we only verify its acceptance here.
     */
    @Test
    void testConstructor() {
        // The constructor should not throw any exceptions with valid inputs.
        new DosFileFilter("*.*", SmbFile.ATTR_ARCHIVE);
        new DosFileFilter("?", SmbFile.ATTR_DIRECTORY);
        new DosFileFilter("file.txt", SmbFile.ATTR_READONLY | SmbFile.ATTR_HIDDEN);

        queryFieldConfig.highlightedFields = null;

        // When highlightedFields is null, the method should handle it gracefully
        // or throw an exception. Test the actual behavior.
        queryFieldConfig.highlightedFields(stream -> {
            // If it doesn't throw NPE, it should provide an empty stream
            assertEquals(0, stream.count());
        });
    }

            // and resetting the stream.
            duplexResponseSent.await()
          } catch (e: InterruptedException) {
            throw AssertionError()
          }
          super.responseHeadersEnd(call, response)
        }
      }
    client =
      client
        .newBuilder()
        .eventListener(listener)
        .build()

          @Override
          public String load(String key) throws InterruptedException {
            int behavior = random.nextInt(4);
            if (behavior == 0) { // throw an exception
              exceptionCount.incrementAndGet();
              throw new RuntimeException("fake exception for test");
            } else if (behavior == 1) { // return null
              computeNullCount.incrementAndGet();
              return null;

          @Override
          public String load(String key) throws InterruptedException {
            int behavior = random.nextInt(4);
            if (behavior == 0) { // throw an exception
              exceptionCount.incrementAndGet();
              throw new RuntimeException("fake exception for test");
            } else if (behavior == 1) { // return null
              computeNullCount.incrementAndGet();
              return null;

            assertTrue(response.isShareDfs(), "Should detect DFS from decoded data");
        }

        @Test
        @DisplayName("Should throw exception for invalid structure size")
        void testReadBytesWireFormatInvalidSize() throws Exception {
            // Given - Invalid structure size
            byte[] buffer = new byte[16];

                method.setAccessible(true);
                return method;
            } catch (NoSuchMethodException e) {
                clazz = clazz.getSuperclass();
            }
        }
        throw new NoSuchMethodException("readString method not found");
    }

    private Field getSuperclassField(Class<?> clazz, String fieldName) throws NoSuchFieldException {
        while (clazz != null) {
            try {

            assertEquals(1024, response.getEndOfFile());
            assertEquals(0x20, response.getFileAttributes());
        }

        @Test
        @DisplayName("Should throw exception for invalid structure size")
        void testReadBytesWireFormatWithInvalidStructureSize() {
            // Given
            byte[] buffer = new byte[60];