File: test_bug780370.js

package info (click to toggle)
thunderbird 1%3A78.8.0-1~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 2,910,720 kB
  • sloc: cpp: 5,890,568; javascript: 4,416,354; ansic: 3,051,657; python: 917,001; asm: 304,197; xml: 206,624; sh: 109,232; java: 108,679; makefile: 22,984; perl: 15,867; yacc: 4,565; objc: 3,026; pascal: 1,787; lex: 1,720; ada: 1,681; cs: 879; exp: 505; awk: 485; sql: 452; php: 436; lisp: 432; ruby: 99; sed: 69; csh: 45
file content (16 lines) | stat: -rw-r--r-- 670 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* See https://bugzilla.mozilla.org/show_bug.cgi?id=780370 */

// Use a COW to expose a function from a standard prototype, and make we deny
// access to it.

function run_test()
{
  var sb = Cu.Sandbox("http://www.example.com");
  sb.obj = { foo: 42, __exposedProps__: { hasOwnProperty: 'r' } };
  Assert.equal(Cu.evalInSandbox('typeof obj.foo', sb), 'undefined', "COW works as expected");
  Assert.equal(Cu.evalInSandbox('obj.hasOwnProperty', sb), undefined);
}