@DisplayName("Should decode minimum buffer size")
        void testDecodeMinimumBufferSize() throws SMBProtocolDecodingException {
            byte[] buffer = new byte[12]; // Exact size needed
            SMBUtil.writeInt4(3, buffer, 0);
            SMBUtil.writeInt4(4096, buffer, 4);
            SMBUtil.writeInt4(12288, buffer, 8);

            int bytesDecoded = response.decode(buffer, 0, buffer.length);

            byte[] buffer = new byte[512];

            int bytesWritten = req.writeBytesWireFormat(buffer, 0);

            assertEquals(48, SMBUtil.readInt2(buffer, 0)); // Structure size
            assertEquals(3, SMBUtil.readInt2(buffer, 2)); // Lock count
            assertArrayEquals(testFileId, Arrays.copyOfRange(buffer, 8, 24));

            // Each lock is 24 bytes

        // Given
        byte[] buffer1 = new byte[256];
        byte[] buffer2 = new byte[256];

        // Prepare both buffers with valid structure
        SMBUtil.writeInt2(4, buffer1, 0);
        SMBUtil.writeInt2(0, buffer1, 2);
        SMBUtil.writeInt2(4, buffer2, 10);
        SMBUtil.writeInt2(0, buffer2, 12);

        // When

            byte[] buffer1 = new byte[256];
            byte[] buffer2 = new byte[256];

            // Encode to different buffers
            int result1 = request.encode(buffer1, 0);
            int result2 = request.encode(buffer2, 50);

            // Both should succeed independently
            assertTrue(result1 > 0);

            // Then
            assertEquals(4, bytesRead);
        }

        @Test
        @DisplayName("Should handle concurrent access safely")
        void testConcurrentAccess() throws InterruptedException {
            // Given
            byte[] buffer1 = new byte[10];
            byte[] buffer2 = new byte[10];
            SMBUtil.writeInt2(4, buffer1, 0);

        byte[] buffer = new byte[28];

        // Fill resume key with test pattern
        for (int i = 0; i < 24; i++) {
            buffer[i] = (byte) (i + 1);
        }

        // Add context length (reserved) - 4 bytes
        buffer[24] = 0x00;
        buffer[25] = 0x00;
        buffer[26] = 0x00;
        buffer[27] = 0x00;

        // Decode

        byte[] buffer = new byte[8];

        // Path consumed (2 bytes)
        SMBUtil.writeInt2(0, buffer, 0);

        // Number of referrals (2 bytes) - 0
        SMBUtil.writeInt2(0, buffer, 2);

        // Flags (2 bytes)
        SMBUtil.writeInt2(0, buffer, 4);

        // Padding (2 bytes)
        buffer[6] = 0;
        buffer[7] = 0;

        return buffer;
    }

        byte[] buffer1 = new byte[256];
        byte[] buffer2 = new byte[256];

        // When
        int bytes1 = request.writeBytesWireFormat(buffer1, 0);
        int bytes2 = request.writeBytesWireFormat(buffer2, 10);

        // Then
        assertEquals(bytes1, bytes2);
        assertEquals(SMBUtil.readInt2(buffer1, 0), SMBUtil.readInt2(buffer2, 10));
    }

    @Test

    void testMultipleReadsUpdateOffset() {
        byte[] buffer1 = new byte[] { 0x10, 0x00, 0x00, 0x00 }; // 16
        byte[] buffer2 = new byte[] { 0x20, 0x00, 0x00, 0x00 }; // 32

        response.readParameterWordsWireFormat(buffer1, 0);
        assertEquals(16L, response.getOffset(), "First read should set offset to 16");

        response.readParameterWordsWireFormat(buffer2, 0);

        // For GCM, last 4 bytes should contain incrementing counter
        ByteBuffer buffer1 = ByteBuffer.wrap(nonce1, 12, 4).order(java.nio.ByteOrder.LITTLE_ENDIAN);
        ByteBuffer buffer2 = ByteBuffer.wrap(nonce2, 12, 4).order(java.nio.ByteOrder.LITTLE_ENDIAN);
        int counter1 = buffer1.getInt();
        int counter2 = buffer2.getInt();

        assertEquals(counter1 + 1, counter2, "Counter should increment between nonces");