paramMap = filter.parseQueryString("=", "UTF-8");
        assertEquals(1, paramMap.size());
        assertEquals("", paramMap.get("")[0]);

    }

    public void test_decode() throws IOException {
        final EncodingFilter filter = new EncodingFilter();
        Map<String, String[]> paramMap;

        paramMap = filter.parseQueryString("a=%E3%83%86%E3%82%B9%E3%83%88", "UTF-8");

            assertEquals("guest", permissionHelper.encode("guest"));
        } finally {
            ComponentUtil.setFessConfig(fessConfig);
        }
    }

    public void test_decode() {
        assertNull(permissionHelper.decode(null));
        assertNull(permissionHelper.decode(""));
        assertNull(permissionHelper.decode(" "));

  }

  public void testBase32LenientPadding() {
    testDecodes(base32(), "MZXW6", "foo");
    testDecodes(base32(), "MZXW6=", "foo");
    testDecodes(base32(), "MZXW6==", "foo");
    testDecodes(base32(), "MZXW6===", "foo"); // proper padding length
    testDecodes(base32(), "MZXW6====", "foo");
    testDecodes(base32(), "MZXW6=====", "foo");
  }

  public void testBase32AlternatePadding() {

  }

  public void testBase32LenientPadding() {
    testDecodes(base32(), "MZXW6", "foo");
    testDecodes(base32(), "MZXW6=", "foo");
    testDecodes(base32(), "MZXW6==", "foo");
    testDecodes(base32(), "MZXW6===", "foo"); // proper padding length
    testDecodes(base32(), "MZXW6====", "foo");
    testDecodes(base32(), "MZXW6=====", "foo");
  }

  public void testBase32AlternatePadding() {

     */
    public void testEncode() throws Exception {
        assertEquals("Program+Files", URLUtil.encode("Program Files", "UTF-8"));
    }

    /**
     * @throws Exception
     */
    public void testDecode() throws Exception {
        assertEquals("Program Files", URLUtil.decode("Program+Files", "UTF-8"));
    }

    /**
     * @throws Exception
     */
    public void testToCanonicalProtocol() throws Exception {

        assertEquals("1", ENCODED_DATA, Base64Util.encode(BINARY_DATA));
        System.out.println(Base64Util.encode(new byte[] { 'a', 'b', 'c' }));
    }

    /**
     * @throws Exception
     */
    public void testDecode() throws Exception {
        final byte[] decodedData = Base64Util.decode(ENCODED_DATA);
        assertEquals("1", BINARY_DATA.length, decodedData.length);
        for (int i = 0; i < decodedData.length; i++) {

        verify(mockNdrBuffer, times(1)).enc_ndr_hyper(testValue);
        verifyNoMoreInteractions(mockNdrBuffer);
    }

    @Test
    void testDecode() throws NdrException {
        // Test the decode method
        long decodedValue = 112233445566778L;
        NdrHyper ndrHyper = new NdrHyper(0); // Initialize with a dummy value

            verify(mockNdrBuffer).enc_ndr_referent(null, 1);
        }

        @Test
        @DisplayName("Should decode entry correctly")
        void testDecode() throws NdrException {
            // Given: Mocked buffer data
            samr.SamrSamEntry entry = new samr.SamrSamEntry();
            when(mockNdrBuffer.dec_ndr_long()).thenReturn(1, 100); // idx, _name_bufferp

            verify(mockNdrBuffer).enc_ndr_referent(null, 1);
        }

        @Test
        @DisplayName("Should decode entry correctly")
        void testDecode() throws NdrException {
            // Given: Mocked buffer data
            samr.SamrSamEntry entry = new samr.SamrSamEntry();
            when(mockNdrBuffer.dec_ndr_long()).thenReturn(1, 100); // idx, _name_bufferp

        }
    }

    @Nested
    @DisplayName("Decoding Tests")
    class DecodingTests {

        @Test
        @DisplayName("Should decode value correctly")
        void testDecode() throws NdrException {
            // Given: NdrShort and mock returning specific value
            int decodedValue = 200;
            NdrShort ndrShort = new NdrShort(0);