assertNull(user.getName());

        // Test with special characters in name
        user = new TestFessUser("******@****.***", new String[] {}, new String[] {}, new String[] {});
        assertEquals("******@****.***", user.getName());

        // Test with Unicode characters
        user = new TestFessUser("ユーザー名", new String[] {}, new String[] {}, new String[] {});

                    "Should throw IllegalArgumentException for non-hex character in UUID string");
        }

        @Test
        @DisplayName("Constructor with too short UUID string should parse available data")
        void testConstructorWithStringTooShort() {
            // Arrange - UUID string missing last two characters
            String shortUuid = "00112233-4455-6677-8899-AABBCCDDEE";

            // Act

    String[] BAD_STRINGS = {
      String.valueOf(Character.MIN_LOW_SURROGATE),
      Character.MIN_LOW_SURROGATE + "xyz",
      "abc" + Character.MIN_LOW_SURROGATE,
      "abc" + Character.MIN_LOW_SURROGATE + "xyz",
      String.valueOf(Character.MAX_LOW_SURROGATE),
      Character.MAX_LOW_SURROGATE + "xyz",
      "abc" + Character.MAX_LOW_SURROGATE,
      "abc" + Character.MAX_LOW_SURROGATE + "xyz",
    };

    String[] BAD_STRINGS = {
      String.valueOf(Character.MIN_LOW_SURROGATE),
      Character.MIN_LOW_SURROGATE + "xyz",
      "abc" + Character.MIN_LOW_SURROGATE,
      "abc" + Character.MIN_LOW_SURROGATE + "xyz",
      String.valueOf(Character.MAX_LOW_SURROGATE),
      Character.MAX_LOW_SURROGATE + "xyz",
      "abc" + Character.MAX_LOW_SURROGATE,
      "abc" + Character.MAX_LOW_SURROGATE + "xyz",
    };

        input = "line1\nline2";
        result = KuromojiCSVUtil.quoteEscape(input);
        assertEquals("line1\nline2", result);

        // Tabs
        input = "tab\tcharacter";
        result = KuromojiCSVUtil.quoteEscape(input);
        assertEquals("tab\tcharacter", result);

        // Unicode
        input = "日本語,テスト";
        result = KuromojiCSVUtil.quoteEscape(input);
        assertEquals("\"日本語,テスト\"", result);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
    }

    public void test_constructor_withSpecialCharactersInMessage() {
        // Test constructor with special characters in message
        final String message = "Job failed with special chars: \n\t\r\"'<>&";
        final JobProcessingException exception = new JobProcessingException(message);

        assertNotNull(exception);

        // NetBIOS names can be up to 15 characters
        String[] testNames = { "A", "SERVER", "LONGSERVERNAME", "EXACTLY15CHARS1" };

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

    @Test
    @DisplayName("Should handle special characters in names")
    void testSpecialCharacters() {

		}
		if !bytes.Equal(hexChunkSignature, tt.chunkSign) {
			t.Errorf("Test %d: Expected %s, got %s", i+1, string(tt.chunkSign), string(hexChunkSignature))
		}
	}
}

// Test read CRLF characters on input reader.
func TestReadCRLF(t *testing.T) {
	type testCase struct {
		reader      io.Reader
		expectedErr error
	}
	tests := []testCase{
		// Test - 1 valid buffer with CRLF.

}

/**
 * Returns the index of the first character in this string that is either a control character (like
 * `\u0000` or `\n`) or a non-ASCII character. Returns -1 if this string has no such characters.
 */
internal fun String.indexOfControlOrNonAscii(): Int {
  for (i in 0 until length) {
    val c = this[i]
    if (c <= '\u001f' || c >= '\u007f') {
      return i
    }
  }
  return -1
}

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

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

        assertArrayEquals(plaintext, decrypted, "Special characters should be preserved");

        // Clean up