// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-integer-indexed-exotic-objects-defineownproperty-p-desc description: > Can't define a new non-numerical key on a non-extensible instance info: | 9.4.5.3 [[DefineOwnProperty]] ( P, Desc) ... 3. If Type(P) is String, then a. Let numericIndex be ! CanonicalNumericIndexString(P). b. If numericIndex is not undefined, then ... 4. Return OrdinaryDefineOwnProperty(O, P, Desc). ... includes: [testTypedArray.js] features: [Reflect, TypedArray] ---*/ testWithTypedArrayConstructors(function(TA) { var sample = new TA([42, 43]); Object.preventExtensions(sample); assert.sameValue( Reflect.defineProperty(sample, "foo", {value:42}), false, "return false on a non-extensible object - data descriptor" ); assert.sameValue(Object.getOwnPropertyDescriptor(sample, "foo"), undefined); assert.sameValue( Reflect.defineProperty(sample, "bar", { get: function() {}, set: function() {}, enumerable: false, configurable: true }), false, "return false on a non-extensible object - accessor descriptor" ); assert.sameValue(Object.getOwnPropertyDescriptor(sample, "bar"), undefined); }); reportCompare(0, 0);