js/src/jit-test/tests/ion/getelem-proto.js@6474c204b198 (annotated)
js/src/jit-test/tests/ion/getelem-proto.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | var a = [1, , 2]; |
| michael@0 | 2 | Array.prototype[1] = 3; |
| michael@0 | 3 | |
| michael@0 | 4 | function f(arr) { |
| michael@0 | 5 | return arr[0] + arr[1] + arr[2]; |
| michael@0 | 6 | } |
| michael@0 | 7 | for (var i=0; i<70; i++) { |
| michael@0 | 8 | assertEq(f(a), 6); |
| michael@0 | 9 | } |
| michael@0 | 10 | |
| michael@0 | 11 | Object.defineProperty(Array.prototype, "1", { |
| michael@0 | 12 | get: function() { |
| michael@0 | 13 | return 1234; |
| michael@0 | 14 | } |
| michael@0 | 15 | }); |
| michael@0 | 16 | |
| michael@0 | 17 | assertEq(f(a), 1237); |
| michael@0 | 18 | assertEq(f(a), 1237); |
