assertTrue(dialectCodes.add(dialect), "Dialect code should be unique for " + version);
            }
        }

        // Should have 5 unique dialect codes for SMB2+ versions
        assertEquals(5, dialectCodes.size());
    }

        // Verify dialect count
        assertEquals(manyDialects.length, SMBUtil.readInt2(buffer, 22));

        // Verify all dialects
        for (int i = 0; i < manyDialects.length; i++) {
            assertEquals(manyDialects[i], SMBUtil.readInt2(buffer, 24 + i * 2));
        }
    }

    @Test
    @DisplayName("Test encode preserves dialect order")
    void testEncodePreservesDialectOrder() {

                dialect == Smb2Constants.SMB2_DIALECT_0311 ? preauthIntegrity : SIGNCONTEXT_300);
    }

    /**
     * Derives the SMB3 application key from the session key using the appropriate KDF for the dialect.
     *
     * @param dialect the SMB dialect version
     * @param sessionKey the base session key

    }

    @Test
    @DisplayName("Test all dialect versions")
    void testAllDialectVersions() {
        // Test each dialect version
        DialectVersion[] dialects = { DialectVersion.SMB1, DialectVersion.SMB202, DialectVersion.SMB210, DialectVersion.SMB300,
                DialectVersion.SMB302, DialectVersion.SMB311 };

        for (DialectVersion dialect : dialects) {

            SMBUtil.writeInt2(0, dst, dstIndex + 6);
        }
        dstIndex += 8;

        for (final int dialect : this.dialects) {
            SMBUtil.writeInt2(dialect, dst, dstIndex);
            dstIndex += 2;
        }

        dstIndex += pad8(dstIndex);

        if (this.negotiateContexts != null && this.negotiateContexts.length != 0) {

     * @param dialects
     *            the SMB dialects supported by the client
     */
    public ValidateNegotiateInfoRequest(final int capabilities, final byte[] clientGuid, final int securityMode, final int[] dialects) {
        this.capabilities = capabilities;
        this.clientGuid = clientGuid;
        this.securityMode = securityMode;
        this.dialects = dialects;
    }

    /**

        assertEquals(4, dialects.length); // SMB210, SMB300, SMB302, SMB311
        assertEquals(0x0210, dialects[0]);
        assertEquals(0x0300, dialects[1]);
        assertEquals(0x0302, dialects[2]);
        assertEquals(0x0311, dialects[3]);
    }

    @Test
    @DisplayName("Should set client GUID for SMB2.1+")
    void testClientGuidSmb21() {
        // Given

     * @return whether the protocol negotiation was successful
     */
    boolean isValid(CIFSContext cifsContext, SmbNegotiationRequest request);

    /**
     * Gets the SMB dialect version selected by the server.
     *
     * @return selected dialect
     */
    DialectVersion getSelectedDialect();

    /**
     * Checks whether the server has SMB message signing enabled.
     *

    }

    @Test
    @DisplayName("Should return dialect revision")
    void testGetDialectRevision() throws Exception {
        // Given
        setPrivateField(response, "dialectRevision", 0x0311);

        // When
        int dialect = response.getDialectRevision();

        // Then
        assertEquals(0x0311, dialect);
    }

    @Test
    @DisplayName("Should return server GUID")

    }

    @Test
    @DisplayName("Should return correct dialect version")
    void testGetDialect() {
        // When
        DialectVersion dialect = encryptionContext.getDialect();

        // Then
        assertEquals(DialectVersion.SMB311, dialect, "Should return the dialect set in constructor");
    }

    @Test
    @DisplayName("Should handle SMB 3.0 dialect")
    void testSMB300Dialect() {
        // When