assertEquals(allocatedBeforeCleanup, bufferManager.getTotalReleased(),
                "All allocated regions should eventually be released after cleanup");
    }

    @Test
    public void testPooling() throws Exception {
        // Get a region and release it
        RdmaMemoryRegion region1 = bufferManager.getSendRegion(1024);
        bufferManager.releaseSendRegion(region1);