The Tor Browser / file comparison
comparison: js/src/tests/ecma_6/Generators/delegating-yield-5.js
js/src/tests/ecma_6/Generators/delegating-yield-5.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
replaced
| -1:000000000000 | 0:a4265b3f0ac6 |
|---|---|
| 1 // Test that a deep yield* chain re-yields received results without | |
| 2 // re-boxing. | |
| 3 | |
| 4 function results(results) { | |
| 5 var i = 0; | |
| 6 function next() { | |
| 7 return results[i++]; | |
| 8 } | |
| 9 var iter = { next: next }; | |
| 10 var ret = {}; | |
| 11 ret[std_iterator] = function () { return iter; } | |
| 12 return ret; | |
| 13 } | |
| 14 | |
| 15 function* yield_results(expected, n) { | |
| 16 return yield* n ? yield_results(expected, n - 1) : results(expected); | |
| 17 } | |
| 18 | |
| 19 function collect_results(iterable) { | |
| 20 var ret = []; | |
| 21 var result; | |
| 22 var iter = iterable[std_iterator](); | |
| 23 do { | |
| 24 result = iter.next(); | |
| 25 ret.push(result); | |
| 26 } while (!result.done); | |
| 27 return ret; | |
| 28 } | |
| 29 | |
| 30 // We have to put a full result for the end, because the return will re-box. | |
| 31 var expected = [{value: 1}, 13, "foo", {value: 34, done: true}]; | |
| 32 | |
| 33 assertDeepEq(expected, collect_results(results(expected))); | |
| 34 assertDeepEq(expected, collect_results(yield_results(expected, 20))); | |
| 35 | |
| 36 if (typeof reportCompare == "function") | |
| 37 reportCompare(true, true); |
