diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
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/lazy-methods-pass-value-through-chain.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/lazy-methods-pass-value-through-chain.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/lazy-methods-pass-value-through-chain.js b/js/src/tests/non262/Iterator/prototype/lazy-methods-pass-value-through-chain.js new file mode 100644 index 0000000000..553e6934f7 --- /dev/null +++ b/js/src/tests/non262/Iterator/prototype/lazy-methods-pass-value-through-chain.js @@ -0,0 +1,33 @@ +// |reftest| skip-if(!this.hasOwnProperty('Iterator')) + +class TestIterator extends Iterator { + next(value) { + return {done: false, value}; + } +} + +const methods = [ + iter => iter.map(x => x), + iter => iter.filter(x => true), + iter => iter.take(2), + iter => iter.drop(0), + iter => iter.asIndexedPairs(), +]; + +for (const outerMethod of methods) { + for (const innerMethod of methods) { + const iterator = new TestIterator(); + const iteratorChain = outerMethod(innerMethod(iterator)); + iteratorChain.next(); + let result = iteratorChain.next('last value'); + assertEq(result.done, false); + // Unwrap the asIndexedPair return values. + while (Array.isArray(result.value)) { + result.value = result.value[1]; + } + assertEq(result.value, 'last value'); + } +} + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |