js/src/tests/js1_8/extensions/regress-422269.js@129ffea94266 (annotated)
js/src/tests/js1_8/extensions/regress-422269.js
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | //----------------------------------------------------------------------------- |
| michael@0 | 7 | var BUGNUMBER = 422269; |
| michael@0 | 8 | var summary = 'Compile-time let block should not capture runtime references'; |
| michael@0 | 9 | var actual = 'referenced only by stack and closure'; |
| michael@0 | 10 | var expect = 'referenced only by stack and closure'; |
| michael@0 | 11 | |
| michael@0 | 12 | |
| michael@0 | 13 | //----------------------------------------------------------------------------- |
| michael@0 | 14 | test(); |
| michael@0 | 15 | |
| michael@0 | 16 | //----------------------------------------------------------------------------- |
| michael@0 | 17 | |
| michael@0 | 18 | function test() |
| michael@0 | 19 | { |
| michael@0 | 20 | enterFunc ('test'); |
| michael@0 | 21 | printBugNumber(BUGNUMBER); |
| michael@0 | 22 | printStatus (summary); |
| michael@0 | 23 | |
| michael@0 | 24 | function f() |
| michael@0 | 25 | { |
| michael@0 | 26 | let m = {sin: Math.sin}; |
| michael@0 | 27 | (function holder() { m.sin(1); })(); |
| michael@0 | 28 | return m; |
| michael@0 | 29 | } |
| michael@0 | 30 | |
| michael@0 | 31 | if (typeof findReferences == 'undefined') |
| michael@0 | 32 | { |
| michael@0 | 33 | expect = actual = 'Test skipped'; |
| michael@0 | 34 | print('Test skipped. Requires findReferences function.'); |
| michael@0 | 35 | } |
| michael@0 | 36 | else |
| michael@0 | 37 | { |
| michael@0 | 38 | var x = f(); |
| michael@0 | 39 | var refs = findReferences(x); |
| michael@0 | 40 | |
| michael@0 | 41 | // At this point, x should only be referenced from the stack --- the |
| michael@0 | 42 | // variable 'x' itself, and any random things the conservative scanner |
| michael@0 | 43 | // finds --- and possibly from the 'holder' closure, which could itself |
| michael@0 | 44 | // be held alive for random reasons. Remove those from the refs list, and |
| michael@0 | 45 | // then complain if anything is left. |
| michael@0 | 46 | for (var edge in refs) { |
| michael@0 | 47 | // Remove references from roots, like the stack. |
| michael@0 | 48 | if (refs[edge].every(function (r) r === null)) |
| michael@0 | 49 | delete refs[edge]; |
| michael@0 | 50 | // Remove references from the closure, which could be held alive for |
| michael@0 | 51 | // random reasons. |
| michael@0 | 52 | else if (refs[edge].length === 1 && |
| michael@0 | 53 | typeof refs[edge][0] === "function" && |
| michael@0 | 54 | refs[edge][0].name === "holder") |
| michael@0 | 55 | delete refs[edge]; |
| michael@0 | 56 | } |
| michael@0 | 57 | |
| michael@0 | 58 | if (Object.keys(refs).length != 0) |
| michael@0 | 59 | actual = "unexpected references to the result of f: " + Object.keys(refs).join(", "); |
| michael@0 | 60 | } |
| michael@0 | 61 | reportCompare(expect, actual, summary); |
| michael@0 | 62 | |
| michael@0 | 63 | exitFunc ('test'); |
| michael@0 | 64 | } |
