diff options
Diffstat (limited to 'js/src/tests/non262/Iterator/prototype/take/close-iterator-when-none-remaining.js')
-rw-r--r-- | js/src/tests/non262/Iterator/prototype/take/close-iterator-when-none-remaining.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/take/close-iterator-when-none-remaining.js b/js/src/tests/non262/Iterator/prototype/take/close-iterator-when-none-remaining.js new file mode 100644 index 0000000000..1c78db378b --- /dev/null +++ b/js/src/tests/non262/Iterator/prototype/take/close-iterator-when-none-remaining.js @@ -0,0 +1,40 @@ +// |reftest| skip-if(!this.hasOwnProperty('Iterator')) + +// +// +/*--- +esid: pending +description: %Iterator.prototype%.take closes the iterator when remaining is 0. +info: > + Iterator Helpers proposal 2.1.5.4 +features: [iterator-helpers] +---*/ + +class TestIterator extends Iterator { + next() { + return {done: false, value: 1}; + } + + closed = false; + return() { + this.closed = true; + return {done: true}; + } +} + +const iter = new TestIterator(); +const iterTake = iter.take(1); + +let result = iterTake.next(); +assertEq(result.done, false); +assertEq(result.value, 1); +assertEq(iter.closed, false); + +result = iterTake.next(); +assertEq(result.done, true); +assertEq(result.value, undefined); +assertEq(iter.closed, true); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); + |