private TestLogHandler handler;
  private final TearDownStack stack = new TearDownStack();

  @Override
  protected void setUp() throws Exception {
    super.setUp();

    handler = new TestLogHandler();

    // You could also apply it higher up the Logger hierarchy than this
    ExampleClassUnderTest.logger.addHandler(handler);

    }

    @Test
    @DisplayName("run method handles null URL gracefully")
    void testRunWithNullUrl() {
        TestLocking t = new TestLocking();
        t.url = null; // Null URL
        t.numIter = 0; // No iterations to avoid NPE

        // Should not throw exception
        assertDoesNotThrow(() -> t.run(), "run() should handle null URL gracefully");

    }

    @Test
    @DisplayName("close(): clears cache and closes handle; does not close shared SmbFile")
    void close_sharedFile_closesHandle_only() throws Exception {
        SmbRandomAccessFile raf = newInstance("rw", false, true, false);
        SmbFile file = (SmbFile) getField(raf, "file");
        SmbFileHandleImpl handle = (SmbFileHandleImpl) getField(raf, "handle");

        // Act
        raf.close();

 * backing store (e.g. file system, database, memory).
 * <p>
 * This is mainly used to parse files into objects such as Maven projects,
 * models, settings, or toolchains. The source implementation handles
 * all the details of accessing the underlying content while providing
 * a uniform API to consumers.
 * <p>
 * Sources can represent:
 * <ul>
 *   <li>Local filesystem files</li>
 *   <li>In-memory content</li>

        try {
            // Create RPC handle to witness service
            this.handle = DcerpcHandle.getHandle(
                "ncacn_ip_tcp:" + serverAddress.getHostAddress() + "[135]",
                WITNESS_INTERFACE_UUID,
                WITNESS_INTERFACE_VERSION,
                context
            );
            
            // Bind to witness interface
            handle.bind();
            

            ProtwordsFile errorFile = new ProtwordsFile("test_id", nonExistentFile.getAbsolutePath(), new Date());
            errorFile.reload(null);
            // If no exception, the file might have been handled gracefully
            assertTrue(true);
        } catch (Exception e) {
            // Expected for missing file
            assertTrue(true);
        }
    }

            assertNotNull(result.getServer());
            // Empty components between double backslashes are handled
        }
    }

    @Nested
    @DisplayName("Edge Cases and Boundary Tests")
    class EdgeCasesTests {

        @ParameterizedTest
        @NullAndEmptySource
        @DisplayName("Should handle null and empty domains")
        void testNullAndEmptyDomains(String domain) {

            return baseQuery;
        }
        return baseQuery + " sort:" + sortField;
    }

    /**
     * Appends a query string to the query buffer with proper formatting.
     * Handles OR operators and wraps complex queries in parentheses when necessary.
     *
     * @param queryBuf the StringBuilder to append to
     * @param query the query string to append
     */

 *     SomeClass.logger.addHandler(handler);
 *     addTearDown(new TearDown() {
 *       public void tearDown() throws Exception {
 *         SomeClass.logger.removeHandler(handler);
 *       }
 *     });
 *   }
 *
 *   public void test() {
 *     SomeClass.foo();
 *     LogRecord firstRecord = handler.getStoredLogRecords().get(0);
 *     assertEquals("some message", firstRecord.getMessage());
 *   }

            try {
                digest.sign(data, 0, data.length, request, response);
                // If no exception is thrown, the operation should have been no-op or handled gracefully
                assertTrue(true, "Sign operation after close should either throw exception or handle gracefully");
            } catch (RuntimeException e) {
                // Accept runtime exceptions that might be thrown due to closed state