non-Strict mode Failing
Expected no error, got ESHostError: Expected SameValue(«1», «2») to be true
Features:
- ∅
Expected no error, got ESHostError: Expected SameValue(«1», «2») to be true
// Copyright (C) 2015 André Bargull. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- info: Mapped arguments object with non-configurable property description: > Mapped arguments property is changed to non-configurable and non-writable. Perform property attribute changes with two [[DefineOwnProperty]] calls. Add intervening call to [[Set]]. flags: [noStrict] ---*/ function argumentsNonConfigurableThenNonWritableWithInterveningSet(a) { Object.defineProperty(arguments, "0", {configurable: false}); arguments[0] = 2; Object.defineProperty(arguments, "0", {writable: false}); assert.sameValue(a, 2); assert.sameValue(arguments[0], 2); // Postcondition: Arguments mapping is removed. a = 3; assert.sameValue(a, 3); assert.sameValue(arguments[0], 2); } argumentsNonConfigurableThenNonWritableWithInterveningSet(1);