// Copyright (C) 2013 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 19.1.2.4 description: > Symbol used as property for writable data property definition features: [Symbol] includes: [propertyHelper.js] ---*/ var sym = Symbol(); var obj = {}; Object.defineProperty(obj, sym, { value: 1, writable: true }); assert.sameValue(sym in obj, true, "The result of `sym in obj` is `true`"); verifyProperty(obj, sym, { value: 1, configurable: false, writable: true, enumerable: false, }); assert.sameValue( Object.prototype.propertyIsEnumerable.call(obj, sym), false, "`Object.prototype.propertyIsEnumerable.call(obj, sym)` returns `false`" ); obj[sym] = 2; assert.sameValue(obj[sym], 2, "The value of `obj[sym]` is `2`"); reportCompare(0, 0);