The Tor Browser / file comparison
comparison: js/xpconnect/tests/unit/test_bug780370.js
js/xpconnect/tests/unit/test_bug780370.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:fbbf27ff1da5 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 /* See https://bugzilla.mozilla.org/show_bug.cgi?id=780370 */ | |
| 6 | |
| 7 const Cu = Components.utils; | |
| 8 | |
| 9 // Use a COW to expose a function from a standard prototype, and make sure it's | |
| 10 // still remapped. | |
| 11 | |
| 12 function run_test() | |
| 13 { | |
| 14 var sb = Cu.Sandbox("http://www.example.com"); | |
| 15 sb.obj = { foo: 42, __exposedProps__: { hasOwnProperty: 'r' } }; | |
| 16 do_check_eq(Cu.evalInSandbox('typeof obj.foo', sb), 'undefined', "COW works as expected"); | |
| 17 do_check_true(Cu.evalInSandbox('obj.hasOwnProperty === Object.prototype.hasOwnProperty', sb), | |
| 18 "Remapping happens even when the property is explicitly exposed"); | |
| 19 // NB: We used to test for the following, but such behavior became very | |
| 20 // difficult to implement in a recent refactor. We're moving away from this | |
| 21 // API anyway, so we decided to explicitly drop support for this. | |
| 22 // do_check_eq(Cu.evalInSandbox('Object.prototype.bar = 10; obj.bar', sb), 10); | |
| 23 } |
