js/src/jit-test/tests/arrow-functions/this-1.js@ac0c01689b40 (annotated)
js/src/jit-test/tests/arrow-functions/this-1.js
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | // 'this' is lexically scoped in arrow functions |
| michael@0 | 2 | |
| michael@0 | 3 | var obj = { |
| michael@0 | 4 | f: function (expected) { |
| michael@0 | 5 | assertEq(this, expected); |
| michael@0 | 6 | return a => this; |
| michael@0 | 7 | } |
| michael@0 | 8 | }; |
| michael@0 | 9 | |
| michael@0 | 10 | var g = obj.f(obj); |
| michael@0 | 11 | assertEq(g(), obj); |
| michael@0 | 12 | |
| michael@0 | 13 | var obj2 = {f: obj.f}; |
| michael@0 | 14 | var g2 = obj2.f(obj2); |
| michael@0 | 15 | assertEq(g2(), obj2); |
| michael@0 | 16 | assertEq(g(), obj); |
| michael@0 | 17 |
