trap-is-undefined.js (503B)
1 // Copyright (C) 2015 the V8 project authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 /*--- 4 es6id: 9.5.8 5 description: > 6 [[Get]] (P, Receiver) 7 8 8. If trap is undefined, then return target.[[Get]](P, Receiver). 9 10 features: [Proxy] 11 ---*/ 12 13 var target = { 14 attr: 1 15 }; 16 var p = new Proxy(target, { 17 get: undefined 18 }); 19 20 assert.sameValue(p.attr, 1, 'return target.attr'); 21 assert.sameValue(p.foo, undefined, 'return target.foo'); 22 23 reportCompare(0, 0);