js/src/jit-test/tests/basic/bug656261.js@129ffea94266 (annotated)
js/src/jit-test/tests/basic/bug656261.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 | function build_getter(i) { |
| michael@0 | 2 | var x = [i]; |
| michael@0 | 3 | return function f() { return x; } |
| michael@0 | 4 | } |
| michael@0 | 5 | |
| michael@0 | 6 | function test() |
| michael@0 | 7 | { |
| michael@0 | 8 | var N = internalConst("INCREMENTAL_MARK_STACK_BASE_CAPACITY") + 2; |
| michael@0 | 9 | var o = {}; |
| michael@0 | 10 | var descriptor = { enumerable: true}; |
| michael@0 | 11 | for (var i = 0; i != N; ++i) { |
| michael@0 | 12 | descriptor.get = build_getter(i); |
| michael@0 | 13 | Object.defineProperty(o, i, descriptor); |
| michael@0 | 14 | } |
| michael@0 | 15 | |
| michael@0 | 16 | // At this point we have an object o with N getters. Each getter in turn |
| michael@0 | 17 | // is a closure storing an array. During the GC we push to the object |
| michael@0 | 18 | // marking stack all the getters found in an object after we mark it. As N |
| michael@0 | 19 | // exceeds the size of the object marking stack, this requires to run the |
| michael@0 | 20 | // dealyed scanning for some closures to mark the array objects stored in |
| michael@0 | 21 | // them. |
| michael@0 | 22 | // |
| michael@0 | 23 | // We run the GC twice to make sure that the background finalization |
| michael@0 | 24 | // finishes before we access the objects. |
| michael@0 | 25 | gc(); |
| michael@0 | 26 | gc(); |
| michael@0 | 27 | for (var i = 0; i != N; ++i) |
| michael@0 | 28 | assertEq(o[i][0], i); |
| michael@0 | 29 | } |
| michael@0 | 30 | |
| michael@0 | 31 | test(); |
