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Diffstat (limited to 'js/src/tests/non262/AsyncIterator/prototype/lazy-methods-iterator-returns-done-generator-finishes.js')
-rw-r--r-- | js/src/tests/non262/AsyncIterator/prototype/lazy-methods-iterator-returns-done-generator-finishes.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/non262/AsyncIterator/prototype/lazy-methods-iterator-returns-done-generator-finishes.js b/js/src/tests/non262/AsyncIterator/prototype/lazy-methods-iterator-returns-done-generator-finishes.js new file mode 100644 index 0000000000..d7e2be8f5d --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/lazy-methods-iterator-returns-done-generator-finishes.js @@ -0,0 +1,30 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +class TestIterator extends AsyncIterator { + async next() { + return {done: true, value: 'value'}; + } +} + +async function* gen(x) { yield x; } + +const methods = [ + iter => iter.map(x => x), + iter => iter.filter(x => true), + iter => iter.take(1), + iter => iter.drop(0), + iter => iter.asIndexedPairs(), + iter => iter.flatMap(gen), +]; + +(async () => { + for (const method of methods) { + const iterator = method(new TestIterator()); + const {done, value} = await iterator.next(); + assertEq(done, true); + assertEq(value, undefined); + } +})(); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |