serverData.oemDomainName = null;
        assertNull(serverData.oemDomainName);

        // Test with special characters
        serverData.oemDomainName = "DOMAIN-01.LOCAL";
        assertEquals("DOMAIN-01.LOCAL", serverData.oemDomainName);

        // Test with Unicode characters
        serverData.oemDomainName = "ドメイン";
        assertEquals("ドメイン", serverData.oemDomainName);
    }

    /**

        assertEquals("Root problem", exception.getCause().getCause().getMessage());
    }

    public void test_messageWithSpecialCharacters() {
        // Test constructor with message containing special characters
        String message = "GSA error: config file not found at /path/to/config.xml\n" + "Details: \"file\" does not exist\t[TAB]\r\n"
                + "Unicode: \u4E2D\u6587";

        assertFalse(UniAddress.isAllDigits(nonNumeric));
    }

    @Test
    void isAllDigitsHandlesEmptyString() {
        // Empty string technically has no non-digit characters, so it returns true
        assertTrue(UniAddress.isAllDigits(""), "isAllDigits should return true for empty string (no non-digits)");
    }

    /* ---------------------------------------------------------------------

    }

    /**
     * Test rule with special characters in conditions
     */
    public void test_specialCharactersInConditions() {
        ConfigurableRule rule = new ConfigurableRule();
        rule.setRuleId("specialRule");
        rule.setResponseProcessor(new TestResponseProcessor("specialProcessor"));

        // Test with regex special characters
        rule.addCondition("url", "https://example\\.com/\\?param=.*");

            assertEquals(message, exception.getMessage());
            assertTrue(exception.toString().contains("TransportException"));
        }

        @Test
        @DisplayName("Should handle special characters in message")
        void testSpecialCharactersInMessage() {
            String message = "Error: \n\t\r\\ \"special\" 'chars' @#$%^&*()";
            TransportException exception = new TransportException(message);

        assertEquals("Executed: groovy println 'test'", result);
    }

    public void test_execute_specialCharacters() {
        // Test scripts with special characters
        Object result = jobExecutor.execute("test", "script with\nnewline");
        assertEquals("Executed: test script with\nnewline", result);

        result = jobExecutor.execute("test", "script with\ttab");

        @ValueSource(strings = { "Simple ASCII", "Special chars: !@#$%^&*()", "Unicode: ñöt ascii ℃", "Mixed: ASCII + 中文 + Русский",
                "Emojis: 🎉🌟💻", "Very long string with multiple words and various characters 1234567890" })
        void testGetBytesWithVariousInputs(String input) {
            // When
            byte[] result = Strings.getBytes(input, StandardCharsets.UTF_8);

            // Then

        assertTrue(tags == elevateWord.getTags());
        assertTrue(roles == elevateWord.getRoles());
    }

    @Test
    public void testWithSpecialCharactersInWord() {
        // Test with special characters in word
        String word = "test@#$%^&*()_+-=[]{}|;':\",./<>?";
        float boost = 1.0f;
        List<String> readings = Arrays.asList("reading1");
        List<String> fields = Arrays.asList("field1");

        assertEquals("  ", result.get(1).getInput()); // whitespace line
        assertEquals("word2", result.get(2).getInput());
    }

    public void test_unescape() throws Exception {
        // Test with escaped characters (backslash sequences)
        String content = "test\\t1\n" + // escaped tab sequence
                "test\\n2\n" + // escaped newline sequence
                "test3\n"; // no escape

        // Test with spaces
        assertDoesNotThrow(() -> new Trans2GetDfsReferral(mockConfig, "\\\\server\\my share\\file.txt"));

        // Test with special characters
        assertDoesNotThrow(() -> new Trans2GetDfsReferral(mockConfig, "\\\\server\\share\\file$name.txt"));
    }

    @Test
    @DisplayName("Test buffer boundary conditions")