michael@0: load(libdir + "asserts.js");
michael@0: 
michael@0: /*
michael@0:  * Throw a TypeError if the trap does not report undefined for a non-configurable
michael@0:  * accessor property that does not have a getter
michael@0:  */
michael@0: var target = {};
michael@0: Object.defineProperty(target, 'foo', {
michael@0:     set: function (value) {},
michael@0:     configurable: false
michael@0: });
michael@0: assertThrowsInstanceOf(function () {
michael@0:     new Proxy(target, {
michael@0:         get: function (target, name, receiver) {
michael@0:             return 'baz';
michael@0:         }
michael@0:     })['foo'];
michael@0: }, TypeError);