testDirectProxyGet4.js (507B)
1 load(libdir + "asserts.js"); 2 3 /* 4 * Throw a TypeError if the trap does not report undefined for a non-configurable 5 * accessor property that does not have a getter 6 */ 7 var target = {}; 8 Object.defineProperty(target, 'foo', { 9 set: function (value) {}, 10 configurable: false 11 }); 12 var handler = { get: function (target, name, receiver) { return 'baz'; } }; 13 for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy]) 14 assertThrowsInstanceOf(function () { p['foo'] }, TypeError);