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);

            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();

        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) {