return sessionKey;
        }

        @Override
        protected void doSendFragment(byte[] buf, int off, int length) throws IOException {
            // Mock implementation for testing
        }

        @Override
        protected int doReceiveFragment(byte[] buf) throws IOException {
            return doReceiveFragmentReturn;
        }

        @Override

        assertEquals(0, ndrBuffer.start);
        assertEquals(0, ndrBuffer.index);
        assertEquals(0, ndrBuffer.length);
        assertSame(ndrBuffer, ndrBuffer.deferred);
        assertSame(buffer, ndrBuffer.buf);

        // Test with a different start offset
        NdrBuffer offsetBuffer = new NdrBuffer(buffer, 10);
        assertEquals(10, offsetBuffer.start);
        assertEquals(10, offsetBuffer.index);

            pool.contains(null); // Should be fast without global sync
        }

        // 2. Buffer Cache Test
        for (int i = 0; i < 100; i++) {
            byte[] buf = BufferCache.getBuffer();
            BufferCache.releaseBuffer(buf);
        }

        // 3. Atomic Operations Test
        AtomicLong counter = new AtomicLong(0);
        for (int i = 0; i < 1000; i++) {
            counter.addAndGet(1024);

        try {
            final InputStream is = request.getInputStream();
            try {
                final byte[] buf = new byte[1024];
                while ((is.read(buf)) != -1) {}
            } catch (final Exception ignored) {} finally {
                try {
                    is.close();
                } catch (final Exception ignored) {}
            }

	}

	bp.Put(b)

	// Check the size of the pool.
	if uint64(len(bp.c)) != size {
		t.Fatalf("bytepool size invalid: got %v want %v", len(bp.c), size)
	}

	// lets drain the buf channel first before we validate invalid buffers.
	for range size {
		bp.Get() // discard
	}

	// Try putting some invalid buffers into pool
	bp.Put(make([]byte, bp.w, bp.wcap-1)) // wrong capacity is rejected (less)

	select {
	case <-ctx.Done():
		return ctx.Err()
	case maxConcurrentScannerSaves <- struct{}{}:
	}

	buf := bytebufferpool.Get()
	defer func() {
		<-maxConcurrentScannerSaves
		buf.Reset()
		bytebufferpool.Put(buf)
	}()

	if err := d.serializeTo(buf); err != nil {
		return err
	}

	save := func(name string, timeout time.Duration) error {

	if err = replicationConfig.Validate(bucket, sameTarget); err != nil {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErrWithErr(ErrReplicationValidationError, err), r.URL)
		return
	}
	buf := bytes.Repeat([]byte("a"), 8)
	for _, rule := range replicationConfig.Rules {
		if rule.Status == replication.Disabled {
			continue
		}

	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			buf := make([]byte, 100) // make small buffer to ensure multiple reads are required for large case

			r, idxCB := newS2CompressReader(bytes.NewReader(tt.data), int64(len(tt.data)), false)
			defer r.Close()

			var rdrBuf bytes.Buffer
			_, err := io.CopyBuffer(&rdrBuf, r, buf)
			if err != nil {
				t.Fatal(err)
			}
			r.Close()

	}
	putContent := buffer.String()

	buf := bytes.NewReader([]byte(putContent))

	objectName := "test-big-object"
	// create HTTP request for object upload.
	request, err = newTestSignedRequest(http.MethodPut, getPutObjectURL(s.endPoint, bucketName, objectName),
		int64(buf.Len()), buf, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)

	// execute the HTTP request.

		Host:       u.Host,
	}
	req = req.WithContext(ctx)
	if body != nil {
		switch v := body.(type) {
		case *bytes.Buffer:
			req.ContentLength = int64(v.Len())
			buf := v.Bytes()
			req.GetBody = func() (io.ReadCloser, error) {
				r := bytes.NewReader(buf)
				return io.NopCloser(r), nil
			}
		case *bytes.Reader:
			req.ContentLength = int64(v.Len())
			snapshot := *v
			req.GetBody = func() (io.ReadCloser, error) {