item.setNewInput("third");
        assertEquals("third", item.toLineString());
        assertTrue(item.isUpdated());
        assertFalse(item.isDeleted());
    }

    public void test_specialCharacters() {
        // Test with special characters
        String specialInput = "test@#$%^&*()_+-=[]{}|;':\",./<>?";
        StopwordsItem item = new StopwordsItem(1, specialInput);

        item.setNewInput("third");
        assertTrue(item.isUpdated());
        assertFalse(item.isDeleted());
        assertEquals("third", item.toLineString());
    }

    public void test_specialCharacters() {
        // Test with special characters in input
        String specialInput = "test@#$%^&*()_+-=[]{}|;':\",./<>?";
        ProtwordsItem item = new ProtwordsItem(1, specialInput);

        PagingList<CharMappingItem> result = charMappingFile.selectList(0, 10);
        assertEquals(2, result.size());
    }

    // Test with special characters in mapping
    public void test_specialCharacters() throws Exception {
        writeTestFile("α,β => γ\n中,文 => 字\n");

        PagingList<CharMappingItem> result = charMappingFile.selectList(0, 10);
        assertEquals(2, result.size());

        assertEquals(100, list.size());
        assertEquals("test1", list.get(0).getInput());
        assertEquals("test100", list.get(99).getInput());
    }

    public void test_specialCharacters() throws Exception {
        // Test with special characters
        String content = "test1\n" + "日本語\n" + "word with spaces\n" + "\ttab\tword\t\n";

        // Write content to test file

    }

    /**
     * Test with special characters in the target name.
     */
    @Test
    void testSpecialCharacters() {
        String specialChars = "サーバー名/ドメイン.com-123!@#$"; // Japanese characters and symbols
        AvTargetName avTargetName = new AvTargetName(specialChars);

            assertEquals(testName, mockNetbiosName.getName());
        }
    }

    @Test
    @DisplayName("Should handle special characters in names")
    void testSpecialCharacters() {
        String[] testNames = { "SERVER-1", "SERVER_A", "SRV123", "MY-SRV" };

        for (String testName : testNames) {
            when(mockNetbiosName.getName()).thenReturn(testName);

            new SecureCredentialStorage(new char[0]);
        }, "Should throw IllegalArgumentException for empty master password");
    }

    @Test
    public void testSpecialCharacters() throws Exception {
        // Test with all special characters
        char[] plaintext = "!@#$%^&*()_+-=[]{}|;':\",./<>?`~\t\n\r".toCharArray();

        byte[] encrypted = storage.encryptCredentials(plaintext);

            assertNotNull(type3.getNTResponse());
        });
    }

    @Test
    @DisplayName("Should handle special characters in credentials")
    void testSpecialCharacters() throws Exception {
        // Given
        Type2Message type2 = createMockType2Message();
        String specialDomain = "TEST-DOMAIN_123";
        String specialUser = "******@****.***";