ActionForm actionForm = newMock(ActionForm.class);
HttpServletRequest request = newMock(HttpServletRequest.class);
expect(sac.getActionForm()).andReturn(actionForm);
expect(sac.getRequest()).andReturn(request);
expect(formPopulateSource.prePopulate(actionForm, request)).andReturn(actionForm);
replayMocks();
populateActionForm.populate(sac, actionConfig, actionForm);
verifyMocks();
}