diff options
Diffstat (limited to 'js/src/tests/non262/Iterator/prototype/map/call-next-on-iterator-while-iterating.js')
-rw-r--r-- | js/src/tests/non262/Iterator/prototype/map/call-next-on-iterator-while-iterating.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/map/call-next-on-iterator-while-iterating.js b/js/src/tests/non262/Iterator/prototype/map/call-next-on-iterator-while-iterating.js new file mode 100644 index 0000000000..a5a10120a0 --- /dev/null +++ b/js/src/tests/non262/Iterator/prototype/map/call-next-on-iterator-while-iterating.js @@ -0,0 +1,24 @@ +// |reftest| skip-if(!this.hasOwnProperty('Iterator')) + +/*--- +esid: pending +description: Call next on an iterator that is being iterated over. +info: +features: [iterator-helpers] +---*/ + +const iterator = [1, 2, 3].values() +const items = []; + +for (const item of iterator.map(x => x ** 2)) { + const nextItem = iterator.next(); + items.push(item, nextItem.value); +} + +assertEq(items[0], 1); +assertEq(items[1], 2); +assertEq(items[2], 9); +assertEq(items[3], undefined); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |