js/src/jit-test/tests/for-of/semantics-03.js@b8a032363ba2 (annotated)
js/src/jit-test/tests/for-of/semantics-03.js
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | // Replacing Array.prototype.iterator with a generator affects for-of behavior. |
| michael@0 | 2 | |
| michael@0 | 3 | load(libdir + "iteration.js"); |
| michael@0 | 4 | |
| michael@0 | 5 | Array.prototype[std_iterator] = function* () { |
| michael@0 | 6 | for (var i = this.length; --i >= 0; ) |
| michael@0 | 7 | yield this[i]; |
| michael@0 | 8 | }; |
| michael@0 | 9 | |
| michael@0 | 10 | var s = ''; |
| michael@0 | 11 | for (var v of ['a', 'b', 'c', 'd']) |
| michael@0 | 12 | s += v; |
| michael@0 | 13 | assertEq(s, 'dcba'); |
