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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/tests/non262/Iterator/prototype/lazy-methods-iterator-not-closed-on-next-throws.js | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/Iterator/prototype/lazy-methods-iterator-not-closed-on-next-throws.js')
-rw-r--r-- | js/src/tests/non262/Iterator/prototype/lazy-methods-iterator-not-closed-on-next-throws.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/lazy-methods-iterator-not-closed-on-next-throws.js b/js/src/tests/non262/Iterator/prototype/lazy-methods-iterator-not-closed-on-next-throws.js new file mode 100644 index 0000000000..4aceacebb6 --- /dev/null +++ b/js/src/tests/non262/Iterator/prototype/lazy-methods-iterator-not-closed-on-next-throws.js @@ -0,0 +1,44 @@ +// |reftest| skip-if(!this.hasOwnProperty('Iterator')) + +// +// +/*--- +esid: pending +description: Lazy %Iterator.prototype% methods don't close the iterator if `.next` call throws. +info: > + Iterator Helpers proposal 2.1.5 +features: [iterator-helpers] +---*/ + +class TestError extends Error {} +class TestIterator extends Iterator { + next() { + throw new TestError(); + } + + closed = false; + return() { + this.closed = true; + return {done: true}; + } +} + +const iterator = new TestIterator(); + +const methods = [ + iter => iter.map(x => x), + iter => iter.filter(x => x), + iter => iter.take(1), + iter => iter.drop(0), + iter => iter.asIndexedPairs(), + iter => iter.flatMap(x => [x]), +]; + +for (const method of methods) { + assertEq(iterator.closed, false); + assertThrowsInstanceOf(() => method(iterator).next(), TestError); + assertEq(iterator.closed, false); +} + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |