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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/non262/Iterator/from/return-iterator-if-iterable.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/Iterator/from/return-iterator-if-iterable.js')
-rw-r--r-- | js/src/tests/non262/Iterator/from/return-iterator-if-iterable.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/from/return-iterator-if-iterable.js b/js/src/tests/non262/Iterator/from/return-iterator-if-iterable.js new file mode 100644 index 0000000000..e83e25185d --- /dev/null +++ b/js/src/tests/non262/Iterator/from/return-iterator-if-iterable.js @@ -0,0 +1,25 @@ +// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally +/*--- + Iterator.from returns O if it is iterable, an iterator, and an instance of Iterator. +---*/ + +class TestIterator extends Iterator { + [Symbol.iterator]() { + return this; + } + + next() { + return { done: false, value: this.value++ }; + } + + value = 0; +} + +const iter = new TestIterator(); +assertEq(iter, Iterator.from(iter)); + +const arrayIter = [1, 2, 3][Symbol.iterator](); +assertEq(arrayIter, Iterator.from(arrayIter)); + +if (typeof reportCompare === 'function') + reportCompare(0, 0); |