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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/Iterator/prototype/take/take-more-than-available.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/Iterator/prototype/take/take-more-than-available.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/take/take-more-than-available.js b/js/src/tests/non262/Iterator/prototype/take/take-more-than-available.js new file mode 100644 index 0000000000..b9d07b6122 --- /dev/null +++ b/js/src/tests/non262/Iterator/prototype/take/take-more-than-available.js @@ -0,0 +1,52 @@ +// |reftest| skip-if(!this.hasOwnProperty('Iterator')) + +// +// +/*--- +esid: pending +description: %Iterator.prototype%.take returns if the iterator is done. +info: > + Iterator Helpers proposal 2.1.5.4 + 2. Repeat, + ... + c. Let next be ? IteratorStep(iterated, lastValue). + d. If next is false, return undefined. +features: [iterator-helpers] +---*/ + +let iter = [1, 2].values().take(3); +for (const expected of [1, 2]) { + const result = iter.next(); + assertEq(result.value, expected); + assertEq(result.done, false); +} +let result = iter.next(); +assertEq(result.value, undefined); +assertEq(result.done, true); + +class TestIterator extends Iterator { + counter = 0; + next() { + return {done: ++this.counter >= 2, value: undefined}; + } + + closed = false; + return(value) { + this.closed = true; + return {done: true, value}; + } +} + +iter = new TestIterator(); +let taken = iter.take(10); +for (const value of taken) { + assertEq(value, undefined); +} +result = taken.next(); +assertEq(result.value, undefined); +assertEq(result.done, true); +assertEq(iter.counter, 2); +assertEq(iter.closed, false); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |