diff options
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/AsyncIterator/prototype/take/take-more-than-available.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/non262/AsyncIterator/prototype/take/take-more-than-available.js b/js/src/tests/non262/AsyncIterator/prototype/take/take-more-than-available.js new file mode 100644 index 0000000000..65355704ae --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/take/take-more-than-available.js @@ -0,0 +1,34 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +// +// +/*--- +esid: pending +description: %AsyncIterator.prototype%.take returns if the iterator is done. +info: > + Iterator Helpers proposal 2.1.6.4 + 2. Repeat, + ... + c. Let next be ? Await(? IteratorNext(iterated, lastValue)). + d. If ? IteratorComplete(next) is false, return undefined. +features: [iterator-helpers] +---*/ + +async function* gen(values) { + yield* values; +} + +(async () => { + const iter = gen([1, 2]).take(10); + for (const expected of [1, 2]) { + const result = await iter.next(); + assertEq(result.value, expected); + assertEq(result.done, false); + } + const result = await iter.next(); + assertEq(result.value, undefined); + assertEq(result.done, true); +})(); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |