assertNotNull(region);
    assertEquals(4096, region.getSize());
    assertTrue(region.hasAccess(RdmaAccess.LOCAL_READ));
    
    region.close();
}

@Test
public void testRdmaBufferManager() throws Exception {
    RdmaProvider provider = new TcpRdmaProvider();  // Use TCP for testing
    RdmaBufferManager manager = new RdmaBufferManager(provider);
    
    // Test buffer allocation