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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-next-throws.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-next-throws.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-next-throws.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-next-throws.js new file mode 100644 index 0000000000..d92732e9fd --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-next-throws.js @@ -0,0 +1,50 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +// +// +/*--- +esid: pending +description: %AsyncIterator.prototype%.flatMap closes the iterator when IteratorNext throws. +info: > + Iterator Helpers proposal 2.1.6.7 + 1. Repeat, + ... + k. Repeat, while innerAlive is true, + i. Let innerNextPromise be IteratorNext(innerIterator). + ii. IfAbruptCloseAsyncIterator(innerNextPromise, iterated). +features: [iterator-helpers] +---*/ + +class TestIterator extends AsyncIterator { + async next() { + return {done: false, value: 0}; + } + + closed = false; + async return(value) { + this.closed = true; + return {done: true, value}; + } +} + +class TestError extends Error {} +class InnerIterator extends AsyncIterator { + async next() { + throw new TestError(); + } +} + +const iter = new TestIterator(); +const mapped = iter.flatMap(x => new InnerIterator()); + +assertEq(iter.closed, false); +mapped.next().then( + _ => assertEq(true, false, 'Expected reject.'), + err => { + assertEq(err instanceof TestError, true); + assertEq(iter.closed, true); + } +); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |