MockServletContext context = new MockServletContext();
MockHttpServletRequest request = new MockHttpServletRequest(context);
request.setAttribute("test", "value");
assertNull(RequestContextHolder.getRequestAttributes());
listener.requestInitialized(new ServletRequestEvent(context, request));
assertNotNull(RequestContextHolder.getRequestAttributes());
assertEquals("value",
RequestContextHolder.getRequestAttributes().getAttribute("test", RequestAttributes.SCOPE_REQUEST));
MockRunnable runnable = new MockRunnable();
RequestContextHolder.getRequestAttributes().registerDestructionCallback(
"test", runnable, RequestAttributes.SCOPE_REQUEST);
request.clearAttributes();
listener.requestDestroyed(new ServletRequestEvent(context, request));
assertNull(RequestContextHolder.getRequestAttributes());
assertTrue(runnable.wasExecuted());
}