* Encodes a wide string pointer in NDR format.
     *
     * @param buf the NDR buffer
     * @param str the string to encode (can be null)
     * @throws NdrException if encoding fails
     */
    private void encodeWideStringPointer(NdrBuffer buf, String str) throws NdrException {
        if (str == null || str.isEmpty()) {
            buf.enc_ndr_long(0); // NULL pointer
        } else {

     * Parses a DCERPC binding string into a DcerpcBinding object
     * @param str the binding string to parse
     * @return the parsed DcerpcBinding object
     * @throws DcerpcException if the binding string is malformed
     */
    protected static DcerpcBinding parseBinding(final String str) throws DcerpcException {
        int state, mark, si;
        final char[] arr = str.toCharArray();
        String proto = null, key = null;

     */
    @Test
    void toStringIncludesClassName() {
        TransWaitNamedPipeResponse resp = new TransWaitNamedPipeResponse();
        String str = resp.toString();
        assertNotNull(str, "toString should not return null");
        assertTrue(str.startsWith("TransWaitNamedPipeResponse["), "toString should begin with class name");
    }

    /**

    // Or, more simply, check the format of the string.
    @Test
    void testToStringFormat() {
        String str = response.toString();
        assert (str.startsWith("TransTransactNamedPipeResponse["));
        assert (str.endsWith("]"));
    }
}

// We need to add a helper method to TransTransactNamedPipeResponse to make the test more precise

        SmbComNTCreateAndX req = createRequest(0, 0);
        String str = req.toString();
        assertTrue(str.startsWith("SmbComNTCreateAndX["), "toString should start with class name");
        assertTrue(str.contains("name=test.txt"), "The file name should appear");
        // securityFlags are set to 0x03 – verify hex sequence
        assertTrue(str.contains("securityFlags=0x03"), "securityFlags should be present");
    }

        assertEquals(FileInformation.FILE_ENDOFFILE_INFO, fileInfoWithEof.getFileInformationLevel());

        // Test toString
        String str = fileInfoWithEof.toString();
        assertNotNull(str);
        assertTrue(str.contains("EndOfFileInformation"));
        assertTrue(str.contains("1024"));
    }

    /**
     * Test FileEndOfFileInformation encode/decode round trip
     */
    @Test

        PacDataInputStream pdis = createInputStream(data);
        PacUnicodeString str = pdis.readUnicodeString();
        assertEquals(4, str.getLength());
        assertEquals(4, str.getMaxLength());
        assertEquals(0x1234, str.getPointer());
    }

    @Test
    public void testReadUnicodeStringMalformed() throws IOException {
        // length > maxLength

    }

    @Test
    void testToString() {
        NetworkInterfaceInfo info = new NetworkInterfaceInfo(testAddress, 1000);
        String str = info.toString();

        assertNotNull(str);
        assertTrue(str.contains(testAddress.toString()));
        assertTrue(str.contains("1000"));
    }

        assertNotEquals(channelInfo, different);
    }

    @Test
    void testToString() {
        String str = channelInfo.toString();
        assertNotNull(str);
        assertTrue(str.contains("test-channel"));
        assertTrue(str.contains(ChannelState.DISCONNECTED.toString()));
    }

    @DisplayName("Test toString contains proper class name")
    void testToStringFormat() {
        String str = response.toString();

        // Should start with the class name
        assertTrue(str.startsWith("Trans2SetFileInformationResponse["));

        // Should end with closing bracket
        assertTrue(str.endsWith("]"));

        // Should contain parent toString content