SMBUtil.writeInt4(0, buffer, bodyStart + 8);
        SMBUtil.writeInt4(0, buffer, bodyStart + 12);

        // Write data at the offset
        Arrays.fill(buffer, 100, 100 + dataLength, (byte) 0xCC);

        // Use reflection to set headerStart
        Field headerStartField = ServerMessageBlock2.class.getDeclaredField("headerStart");
        headerStartField.setAccessible(true);

        assertEquals(1, validator.safeMultiply(1, 1));

        // Test exact buffer boundaries
        byte[] buffer = new byte[100];
        validator.validateBufferAccess(buffer, 0, 100); // Exactly full buffer
        validator.validateBufferAccess(buffer, 100, 0); // Zero length at end
    }

        // Initially not expired
        assertFalse(auth.isExpired());

        // Set short TTL
        auth.setAuthenticationTTL(100); // 100 milliseconds
        assertEquals(100, auth.getAuthenticationTTL());

        // Still not expired immediately
        assertFalse(auth.isExpired());

        // Wait for expiration

    }

    @Test
    @DisplayName("Test readSetupWireFormat returns 0")
    void testReadSetupWireFormat() {
        byte[] buffer = new byte[100];
        int result = response.readSetupWireFormat(buffer, 0, 100);
        assertEquals(0, result);

        // Test with different parameters
        result = response.readSetupWireFormat(buffer, 10, 50);
        assertEquals(0, result);
    }

    @Test

     *
     * @return success rate as percentage (0-100)
     */
    private double calculateSuccessRate() {
        long total = totalRequests.get();
        if (total == 0) {
            return 100.0;
        }
        return (totalSuccesses.get() * 100.0) / total;
    }

    /**
     * Calculate availability
     *
     * @return availability as percentage (0-100)
     */

    private String sanitizeForLog(String str) {
        if (str == null) {
            return "null";
        }

        // Truncate long strings
        if (str.length() > 100) {
            str = str.substring(0, 100) + "...";
        }

        // Remove control characters
        return str.replaceAll("[\\x00-\\x1F\\x7F]", "?");
    }

    /**
     * Validation statistics
     */

            response.readBytesWireFormat(buffer, 0);
        });

        assertTrue(exception.getMessage().contains("Invalid negotiate context count: 1000"));
        assertTrue(exception.getMessage().contains("must be 0-100"));
    }

    /**
     * Test validation of negative negotiate context count.
     */
    @Test
    public void testNegativeNegotiateContextCount() {
        byte[] buffer = createBasicNegotiateResponseBuffer();

    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle null data with non-zero length")
        void testNullDataNonZeroLength() {
            request.setData(null, 0, 100);

            byte[] buffer = new byte[256];

            // Should handle gracefully or throw appropriate exception
            assertThrows(NullPointerException.class, () -> request.writeBytesWireFormat(buffer, 0));

        if (negotiateContextCount < 0 || negotiateContextCount > 100) {
            throw new SMBProtocolDecodingException("Invalid negotiate context count: " + negotiateContextCount + " (must be 0-100)");
        }

        bufferIndex += 4;

        // Validate sufficient buffer space for server GUID and capabilities
        if (buffer.length < bufferIndex + 16 + 4 + 4 + 4 + 4) {

position: relative;\n  width: 100%;\n  padding-right: 15px;\n  padding-left: 15px;\n}\n\n.col {\n  -ms-flex-preferred-size: 0;\n  flex-basis: 0;\n  -ms-flex-positive: 1;\n  flex-grow: 1;\n  max-width: 100%;\n}\n\n.row-cols-1 > * {\n  -ms-flex: 0 0 100%;\n  flex: 0 0 100%;\n  max-width: 100%;\n}\n\n.row-cols-2 > * {\n  -ms-flex: 0 0 50%;\n  flex: 0 0 50%;\n  max-width: 50%;\n}\n\n.row-cols-3 > * {\n  -ms-flex: 0 0 33.333333%;\n  flex: 0 0 33.333333%;\n  max-width: 33.333333%;\n}\n\n.row-cols-4 > * {\n  -ms-flex:...