// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 9.5.12 description: > [[OwnPropertyKeys]] ( ) 7. If trap is undefined, then Return target.[[OwnPropertyKeys]]() ---*/ var target = { foo: 1, bar: 2 }; var p = new Proxy(target, {}); var keys = Object.keys(p); assert.sameValue(keys[0], "foo"); assert.sameValue(keys[1], "bar"); assert.sameValue(keys.length, 2);