michael@0: this.EXPORTED_SYMBOLS = ['checkFromJSM'];
michael@0: 
michael@0: this.checkFromJSM = function checkFromJSM(target, is_op) {
michael@0:   is_op(target.numProp, 42, "Number expando works");
michael@0:   is_op(target.strProp, "foo", "String expando works");
michael@0:   // If is_op is todo_is, target.objProp will be undefined.
michael@0:   try {
michael@0:     is_op(target.objProp.bar, "baz", "Object expando works");
michael@0:   } catch(e) { is_op(0, 1, "No object expando"); }
michael@0: }