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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/lazy-methods-proxy-accesses.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-proxy-accesses.js | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/lazy-methods-proxy-accesses.js b/js/src/tests/non262/Iterator/prototype/lazy-methods-proxy-accesses.js new file mode 100644 index 0000000000..d391a4f199 --- /dev/null +++ b/js/src/tests/non262/Iterator/prototype/lazy-methods-proxy-accesses.js @@ -0,0 +1,70 @@ +// |reftest| skip-if(!this.hasOwnProperty('Iterator')) +// + +/*--- +esid: pending +description: Lazy %Iterator.prototype% methods access specified properties only. +info: > +features: [iterator-helpers] +---*/ + +class TestIterator extends Iterator { + value = 0; + next() { + if (this.value < 2) + return { done: false, value: this.value++ }; + return { done: true, value: undefined }; + } +} + +const handlerProxy = log => new Proxy({}, { + get: (target, key, receiver) => (...args) => { + const target = args[0]; + const item = Reflect[key](...args); + + log.push(`${key}: ${args.filter(x => typeof x != 'object').map(x => x.toString())}`); + + return item; + }, +}); + +const methods = [ + [iter => iter.map(x => x), 'map'], + [iter => iter.filter(x => true), 'filter'], + [iter => iter.take(4), 'take'], + [iter => iter.drop(0), 'drop'], + [iter => iter.asIndexedPairs(), 'asIndexedPairs'], + [iter => iter.flatMap(x => [x]), 'flatMap'], +]; + +for (const method of methods) { + const log = []; + const iteratorProxy = new Proxy(new TestIterator(), handlerProxy(log)); + const iteratorHelper = method[0](iteratorProxy); + const methodName = method[1]; + + iteratorHelper.next(); + iteratorHelper.next(); + iteratorHelper.next(); + assertEq(iteratorHelper.next().done, true); + + assertEq( + log.join('\n'), + `get: ${methodName} +get: next +get: value +get: value +getOwnPropertyDescriptor: value +defineProperty: value +set: value,1 +get: value +get: value +getOwnPropertyDescriptor: value +defineProperty: value +set: value,2 +get: value` + ) +} + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |