public void testFunctionBlacklistMaintainerProviderBean_emptyPolicy() {
final FunctionBlacklistMaintainerProviderBean bean = new FunctionBlacklistMaintainerProviderBean();
bean.setBlacklistProvider(Mockito.mock(ManageableFunctionBlacklistProvider.class));
bean.setBlacklistPrefix("BL_");
bean.setBlacklistPolicy(new EmptyFunctionBlacklistPolicy());
assertNull(bean.getUpdate("Foo"));
}