diff options
Diffstat (limited to 'js/src/tests/non262/AsyncIterator/prototype/take/close-iterator-when-none-remaining.js')
-rw-r--r-- | js/src/tests/non262/AsyncIterator/prototype/take/close-iterator-when-none-remaining.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/non262/AsyncIterator/prototype/take/close-iterator-when-none-remaining.js b/js/src/tests/non262/AsyncIterator/prototype/take/close-iterator-when-none-remaining.js new file mode 100644 index 0000000000..6ae3e34b5d --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/take/close-iterator-when-none-remaining.js @@ -0,0 +1,45 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +// +// +/*--- +esid: pending +description: %AsyncIterator.prototype%.take closes the iterator when remaining is 0. +info: > + Iterator Helpers proposal 2.1.6.4 +features: [iterator-helpers] +---*/ + +class TestIterator extends AsyncIterator { + async next() { + return {done: false, value: 'value'}; + } + + closed = false; + async return() { + this.closed = true; + return {done: true}; + } +} + +const iter = new TestIterator(); +const iterTake = iter.take(1); + +iterTake.next().then( + ({done, value}) => { + assertEq(done, false); + assertEq(value, 'value'); + assertEq(iter.closed, false); + + iterTake.next().then( + ({done, value}) => { + assertEq(done, true); + assertEq(value, undefined); + assertEq(iter.closed, true); + } + ); + } +); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |