int headerStart = 0;
        buildHeader(buf, headerStart, NtStatus.NT_STATUS_SUCCESS, 0x0001, 0x0L);

        int bodyStart = headerStart + Smb2Constants.SMB2_HEADER_LENGTH;
        // Wrong structure size (should be 9)
        SMBUtil.writeInt2(8, buf, bodyStart);
        SMBUtil.writeInt2(0, buf, bodyStart + 2);
        SMBUtil.writeInt2(Smb2Constants.SMB2_HEADER_LENGTH + 8, buf, bodyStart + 4);

     */
    @Override
    public boolean verifySignature(final byte[] buffer, final int i, final int size) {
        // observed too that signatures on error responses are sometimes wrong??
        // Looks like the failure case also is just reflecting back the signature we sent

        // with SMB3's negotiation validation it's no longer possible to ignore this (on the validation response)

            assertThrows(GeneralSecurityException.class, () -> {
                storage2.decryptCredentials(encrypted);
            }, "Should throw GeneralSecurityException when decrypting with wrong salt");
        } finally {
            storage2.close();
        }

        // Clean up
        Arrays.fill(plaintext, '\0');
    }

    @Test

        @Test
        @DisplayName("Should throw exception for invalid structure size")
        void testInvalidStructureSize() {
            byte[] buffer = new byte[64];
            SMBUtil.writeInt2(16, buffer, 0); // Wrong structure size (should be 17)

            assertThrows(SMBProtocolDecodingException.class, () -> {
                response.readBytesWireFormat(buffer, 0);
            }, "Expected structureSize = 17");
        }

        Smb2CreateResponse resp = new Smb2CreateResponse(config, "bad");

        byte[] header = buildSmb2Header();
        byte[] body = new byte[2 + 2 + 4];
        // Wrong structure size (e.g., 0)
        SMBUtil.writeInt2(0, body, 0);
        // The rest of the fields are irrelevant since it should fail early
        byte[] packet = buildPacket(header, body, null, null);

             */

            if (wordCount > 2) {
                readParameterWordsWireFormat(buffer, bufferIndex + 4);

                /* The SMB_COM_NT_CREATE_ANDX response wordCount is wrong. There's an
                 * extra 16 bytes for some "Offline Files (CSC or Client Side Caching)"
                 * junk. We need to bump up the wordCount here so that this method returns

        assertFalse(init.getContextFlag(NegTokenInit.CONFIDENTIALITY));
        assertEquals(NegTokenInit.INTEGRITY, init.getContextFlags());
    }

    @Test
    @DisplayName("Parse rejects wrong SPNEGO OID")
    void testParseRejectsWrongOid() throws Exception {
        byte[] token = buildInitToken(new ASN1ObjectIdentifier[] { OID_KRB }, 0, null, null, false, "1.2.840.113554.1.2.2", // Kerberos OID instead of SPNEGO OID

             */

            if (this.wordCount > 2) {
                readParameterWordsWireFormat(buffer, bufferIndex + 4);

                /*
                 * The SMB_COM_NT_CREATE_ANDX response wordCount is wrong. There's an
                 * extra 16 bytes for some "Offline Files (CSC or Client Side Caching)"
                 * junk. We need to bump up the wordCount here so that this method returns

    @Test
    @DisplayName("Should handle context with null values")
    void testNullContext() {
        // When
        exception = new SmbOperationException(SmbOperationException.ErrorCode.UNKNOWN_ERROR, "Something went wrong", null, null, null);

        // Then
        assertNotNull(exception.getContext());
        assertTrue(exception.getContext().isEmpty());

        // Adding null context should be safe

        // Should validate string length
        String result = unicodeString.check(testString);
        assertEquals(testString, result);

        // Should reject wrong length
        assertThrows(PACDecodingException.class, () -> {
            unicodeString.check("WRONGLENGTH");
        });
    }

    @Test
    @DisplayName("Test empty arrays using mock")