js/src/tests/ecma_6/Generators/delegating-yield-7.js@b8a032363ba2 (annotated)
js/src/tests/ecma_6/Generators/delegating-yield-7.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 | // The iteratee of yield* can be a proxy. |
| michael@0 | 2 | |
| michael@0 | 3 | function results(results) { |
| michael@0 | 4 | var i = 0; |
| michael@0 | 5 | function iterator() { |
| michael@0 | 6 | return this; |
| michael@0 | 7 | } |
| michael@0 | 8 | function next() { |
| michael@0 | 9 | return results[i++]; |
| michael@0 | 10 | } |
| michael@0 | 11 | var ret = { next: next } |
| michael@0 | 12 | ret[std_iterator] = iterator; |
| michael@0 | 13 | return ret; |
| michael@0 | 14 | } |
| michael@0 | 15 | |
| michael@0 | 16 | function* yield_results(expected) { |
| michael@0 | 17 | return yield* Proxy(results(expected), {}); |
| michael@0 | 18 | } |
| michael@0 | 19 | |
| michael@0 | 20 | function collect_results(iter) { |
| michael@0 | 21 | var ret = []; |
| michael@0 | 22 | var result; |
| michael@0 | 23 | do { |
| michael@0 | 24 | result = iter.next(); |
| michael@0 | 25 | ret.push(result); |
| michael@0 | 26 | } while (!result.done); |
| michael@0 | 27 | return ret; |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | // We have to put a full result for the end, because the return will re-box. |
| michael@0 | 31 | var expected = [{value: 1}, 13, "foo", {value: 34, done: true}]; |
| michael@0 | 32 | |
| michael@0 | 33 | // Sanity check. |
| michael@0 | 34 | assertDeepEq(expected, collect_results(results(expected))); |
| michael@0 | 35 | assertDeepEq(expected, collect_results(yield_results(expected))); |
| michael@0 | 36 | |
| michael@0 | 37 | if (typeof reportCompare == "function") |
| michael@0 | 38 | reportCompare(true, true); |
