Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | // Copyright 2011 Google Inc. All rights reserved. |
michael@0 | 2 | // This code is governed by the BSD license found in the LICENSE file. |
michael@0 | 3 | |
michael@0 | 4 | /** |
michael@0 | 5 | * @path ch13/13.2/S13.2.3_A1.js |
michael@0 | 6 | * @description check that all poisoning use the [[ThrowTypeError]] |
michael@0 | 7 | * function object. |
michael@0 | 8 | * @onlyStrict |
michael@0 | 9 | */ |
michael@0 | 10 | |
michael@0 | 11 | "use strict"; |
michael@0 | 12 | var poison = Object.getOwnPropertyDescriptor(function() {}, 'caller').get; |
michael@0 | 13 | |
michael@0 | 14 | if (typeof poison !== 'function') { |
michael@0 | 15 | $ERROR("#1: A strict function's .caller should be poisoned with a function"); |
michael@0 | 16 | } |
michael@0 | 17 | var threw = null; |
michael@0 | 18 | try { |
michael@0 | 19 | poison(); |
michael@0 | 20 | } catch (err) { |
michael@0 | 21 | threw = err; |
michael@0 | 22 | } |
michael@0 | 23 | if (!threw || !(threw instanceof TypeError)) { |
michael@0 | 24 | $ERROR("#2: Poisoned property should throw TypeError"); |
michael@0 | 25 | } |
michael@0 | 26 | |
michael@0 | 27 | function checkPoison(obj, name) { |
michael@0 | 28 | var desc = Object.getOwnPropertyDescriptor(obj, name); |
michael@0 | 29 | if (desc.enumerable) { |
michael@0 | 30 | $ERROR("#3: Poisoned " + name + " should not be enumerable"); |
michael@0 | 31 | } |
michael@0 | 32 | if (desc.configurable) { |
michael@0 | 33 | $ERROR("#4: Poisoned " + name + " should not be configurable"); |
michael@0 | 34 | } |
michael@0 | 35 | if (poison !== desc.get) { |
michael@0 | 36 | $ERROR("#5: " + name + "'s getter not poisoned with same poison"); |
michael@0 | 37 | } |
michael@0 | 38 | if (poison !== desc.set) { |
michael@0 | 39 | $ERROR("#6: " + name + "'s setter not poisoned with same poison"); |
michael@0 | 40 | } |
michael@0 | 41 | } |
michael@0 | 42 | |
michael@0 | 43 | checkPoison(function() {}, 'caller'); |
michael@0 | 44 | checkPoison(function() {}, 'arguments'); |
michael@0 | 45 | checkPoison((function() { return arguments; })(), 'caller'); |
michael@0 | 46 | checkPoison((function() { return arguments; })(), 'callee'); |
michael@0 | 47 | checkPoison((function() {}).bind(null), 'caller'); |
michael@0 | 48 | checkPoison((function() {}).bind(null), 'arguments'); |
michael@0 | 49 |