From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../close-iterator-when-inner-next-throws.js | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-next-throws.js (limited to 'js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-next-throws.js') 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); -- cgit v1.2.3