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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/test262/built-ins/Array/prototype/keys/returns-iterator.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/test262/built-ins/Array/prototype/keys/returns-iterator.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/keys/returns-iterator.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/keys/returns-iterator.js b/js/src/tests/test262/built-ins/Array/prototype/keys/returns-iterator.js new file mode 100644 index 0000000000..56ba5b5af5 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/keys/returns-iterator.js @@ -0,0 +1,32 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.keys +description: > + The method should return an Iterator instance. +info: | + 22.1.3.13 Array.prototype.keys ( ) + + 1. Let O be ToObject(this value). + 2. ReturnIfAbrupt(O). + 3. Return CreateArrayIterator(O, "key"). + + 22.1.5.1 CreateArrayIterator Abstract Operation + + ... + 2. Let iterator be ObjectCreate(%ArrayIteratorPrototype%, «[[IteratedObject]], + [[ArrayIteratorNextIndex]], [[ArrayIterationKind]]»). + ... + 6. Return iterator. +features: [Symbol.iterator] +---*/ + +var ArrayIteratorProto = Object.getPrototypeOf([][Symbol.iterator]()); +var iter = [].keys(); + +assert.sameValue( + Object.getPrototypeOf(iter), ArrayIteratorProto, + 'The prototype of [].keys() is %ArrayIteratorPrototype%' +); + +reportCompare(0, 0); |