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 --- .../lazy-methods-return-closes-iterator.js | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 js/src/tests/non262/AsyncIterator/prototype/lazy-methods-return-closes-iterator.js (limited to 'js/src/tests/non262/AsyncIterator/prototype/lazy-methods-return-closes-iterator.js') diff --git a/js/src/tests/non262/AsyncIterator/prototype/lazy-methods-return-closes-iterator.js b/js/src/tests/non262/AsyncIterator/prototype/lazy-methods-return-closes-iterator.js new file mode 100644 index 0000000000..98a0902b75 --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/lazy-methods-return-closes-iterator.js @@ -0,0 +1,63 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +// +// +/*--- +esid: pending +description: Calling `return` on a lazy %AsyncIterator.prototype% method closes the source iterator. +info: > + Iterator Helpers proposal 2.1.6 +features: [iterator-helpers] +---*/ + +class TestIterator extends AsyncIterator { + async next() { + return {done: false, value: 1}; + } + + closed = false; + async return(value) { + this.closed = true; + return {done: true, value}; + } +} + +async function* gen(x) { yield x; } + +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(gen), +]; + +for (const method of methods) { + const iter = new TestIterator(); + const iterHelper = method(iter); + + iterHelper.next().then(() => { + assertEq(iter.closed, false); + iterHelper.return(0).then(({done, value}) => { + assertEq(iter.closed, true); + assertEq(done, true); + assertEq(value, 0); + }); + }); +} + +for (const method of methods) { + const iter = new TestIterator(); + const iterHelper = method(iter); + + assertEq(iter.closed, false); + iterHelper.return(0).then(({done, value}) => { + assertEq(iter.closed, true); + assertEq(done, true); + assertEq(value, 0); + }); +} + +if (typeof reportCompare == 'function') + reportCompare(0, 0); -- cgit v1.2.3