// Copyright 2011 Google Inc. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 13.2.3_A1 description: > check that all poisoning use the [[ThrowTypeError]] function object. flags: [onlyStrict] ---*/ "use strict"; var poison = Object.getOwnPropertyDescriptor(function() {}, 'caller').get; if (typeof poison !== 'function') { $ERROR("#1: A strict function's .caller should be poisoned with a function"); } var threw = null; try { poison(); } catch (err) { threw = err; } if (!threw || !(threw instanceof TypeError)) { $ERROR("#2: Poisoned property should throw TypeError"); } function checkPoison(obj, name) { var desc = Object.getOwnPropertyDescriptor(obj, name); if (desc.enumerable) { $ERROR("#3: Poisoned " + name + " should not be enumerable"); } if (desc.configurable) { $ERROR("#4: Poisoned " + name + " should not be configurable"); } if (poison !== desc.get) { $ERROR("#5: " + name + "'s getter not poisoned with same poison"); } if (poison !== desc.set) { $ERROR("#6: " + name + "'s setter not poisoned with same poison"); } } checkPoison(function() {}, 'caller'); checkPoison(function() {}, 'arguments'); checkPoison((function() { return arguments; })(), 'caller'); checkPoison((function() { return arguments; })(), 'callee'); checkPoison((function() {}).bind(null), 'caller'); checkPoison((function() {}).bind(null), 'arguments');