The Tor Browser: js/src/tests/test262/ch13/13.2/S13.2.3

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 // Copyright 2011 Google Inc.  All rights reserved.

     2 // This code is governed by the BSD license found in the LICENSE file.

     4 /**

     5  * @path ch13/13.2/S13.2.3_A1.js

     6  * @description check that all poisoning use the [[ThrowTypeError]]

     7  * function object.

     8  * @onlyStrict

     9  */

    11 "use strict";

    12 var poison = Object.getOwnPropertyDescriptor(function() {}, 'caller').get;

    14 if (typeof poison !== 'function') {

    15   $ERROR("#1: A strict function's .caller should be poisoned with a function");

    16 }

    17 var threw = null;

    18 try {

    19   poison();

    20 } catch (err) {

    21   threw = err;

    22 }

    23 if (!threw || !(threw instanceof TypeError)) {

    24   $ERROR("#2: Poisoned property should throw TypeError");

    25 }

    27 function checkPoison(obj, name) {

    28   var desc = Object.getOwnPropertyDescriptor(obj, name);

    29   if (desc.enumerable) {

    30     $ERROR("#3: Poisoned " + name + " should not be enumerable");

    31   }

    32   if (desc.configurable) {

    33     $ERROR("#4: Poisoned " + name + " should not be configurable");

    34   }

    35   if (poison !== desc.get) {

    36     $ERROR("#5: " + name + "'s getter not poisoned with same poison");

    37   }

    38   if (poison !== desc.set) {

    39     $ERROR("#6: " + name + "'s setter not poisoned with same poison");

    40   }

    41 }

    43 checkPoison(function() {}, 'caller');

    44 checkPoison(function() {}, 'arguments');

    45 checkPoison((function() { return arguments; })(), 'caller');

    46 checkPoison((function() { return arguments; })(), 'callee');

    47 checkPoison((function() {}).bind(null), 'caller');

    48 checkPoison((function() {}).bind(null), 'arguments');

The Tor Browser / file revision