{
IApplicationSpecification spec = newMock(IApplicationSpecification.class);
expect(spec.checkExtension(Tapestry.OGNL_TYPE_CONVERTER)).andReturn(false);
ExpressionCacheImpl cache = new ExpressionCacheImpl();
_eval = new ExpressionEvaluatorImpl();
_eval.setExpressionCache(cache);
_eval.setClassFactory(new ClassFactoryImpl());
cache.setEvaluator(_eval);
_eval.setApplicationSpecification(spec);
_eval.setContributions(Collections.EMPTY_LIST);
_eval.setNullHandlerContributions(Collections.EMPTY_LIST);