@Mock
    private BufferCache mockBufferCache;

    private TestBufferCacheImpl testCache;

    @BeforeEach
    void setUp() {
        testCache = new TestBufferCacheImpl(5, 1024); // 5 buffers of 1KB each
    }

    @Test
    @DisplayName("BufferCache interface should define correct method signatures")
    void testInterfaceContract() {
        // Given
        BufferCache cache = mockBufferCache;

			if err != nil {
				b.Fatal(err)
			}
			if _, err = io.Copy(io.Discard, ciphertext); err != nil {
				b.Fatal(err)
			}
			plaintext.Reset(data)
		}
	}
	b.Run("1KB", func(b *testing.B) { benchmarkEncrypt(1*1024, b) })
	b.Run("512KB", func(b *testing.B) { benchmarkEncrypt(512*1024, b) })
	b.Run("1MB", func(b *testing.B) { benchmarkEncrypt(1024*1024, b) })

    @Test(expected = IORuntimeException.class)
    public void testReadBytes_CustomMaxSize_ExceedsLimit() throws Exception {
        final File file = tempFolder.newFile("medium.txt");
        final byte[] data = new byte[1024]; // 1KB
        final FileOutputStream out = new FileOutputStream(file);
        try {
            out.write(data);
        } finally {
            out.close();
        }

    @Test
    public void testRdmaStatisticsTracking() throws Exception {
        RdmaStatistics stats = new RdmaStatistics();

        // Simulate various RDMA operations
        stats.recordRdmaRead(1024, 1000000); // 1KB in 1ms
        stats.recordRdmaWrite(2048, 2000000); // 2KB in 2ms
        stats.recordRdmaSend(512, 500000); // 512B in 0.5ms
        stats.recordRdmaReceive(1536, 1500000); // 1.5KB in 1.5ms
        stats.recordError();

                        // Simulate the atomic byte tracking operation
                        long start = System.nanoTime();
                        mockBytesEncrypted.addAndGet(1024); // Simulate 1KB message
                        long end = System.nanoTime();

                        totalTime.addAndGet(end - start);
                        operations.incrementAndGet();
                    }

                final int dataLen = SMBUtil.readInt2(buffer, ncpos + 2);

                // Validate context data length
                if (dataLen < 0 || dataLen > 1024) { // 1KB max per context
                    throw new SMBProtocolDecodingException(
                            "Invalid negotiate context data length: " + dataLen + " at position " + i + " (must be 0-1024)");
                }

    @Test
    void testLargeFileOperations() throws Exception {
        SmbFile file = new SmbFile(baseUrl + "shared/largefile.bin", context);

        // Create a smaller test file (1KB instead of 1MB)
        byte[] data = new byte[1024];
        for (int i = 0; i < data.length; i++) {
            data[i] = (byte) (i % 256);
        }

        // Create file and write data