michael@0: // An exception thrown from a proxy trap while getting the .iterator method is propagated.
michael@0: 
michael@0: load(libdir + "asserts.js");
michael@0: load(libdir + "iteration.js");
michael@0: 
michael@0: var p = Proxy.create({
michael@0:     getPropertyDescriptor: function (name) {
michael@0:         if (name == std_iterator)
michael@0:             throw "fit";
michael@0:         return undefined;
michael@0:     }
michael@0: });
michael@0: assertThrowsValue(function () { for (var v of p) {} }, "fit");