// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 9.5.8 description: > Throws if proxy return has not the same value for a non-writable, non-configurable property info: | [[Get]] (P, Receiver) 13. If targetDesc is not undefined, then a. If IsDataDescriptor(targetDesc) and targetDesc.[[Configurable]] is false and targetDesc.[[Writable]] is false, then i. If SameValue(trapResult, targetDesc.[[Value]]) is false, throw a TypeError exception. features: [Proxy] ---*/ var target = {}; var p = new Proxy(target, { get: function() { return 2; } }); Object.defineProperty(target, 'attr', { configurable: false, writable: false, value: 1 }); assert.throws(TypeError, function() { p.attr; }); assert.throws(TypeError, function() { p['attr']; }); reportCompare(0, 0);