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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/test262/built-ins/Object/fromEntries/iterator-not-closed-for-next-returning-non-object.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 'js/src/tests/test262/built-ins/Object/fromEntries/iterator-not-closed-for-next-returning-non-object.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/fromEntries/iterator-not-closed-for-next-returning-non-object.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/fromEntries/iterator-not-closed-for-next-returning-non-object.js b/js/src/tests/test262/built-ins/Object/fromEntries/iterator-not-closed-for-next-returning-non-object.js new file mode 100644 index 0000000000..e4d37f5190 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/fromEntries/iterator-not-closed-for-next-returning-non-object.js @@ -0,0 +1,53 @@ +// Copyright (C) 2018 Kevin Gibbons. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-object.fromentries +description: Does not close iterators with a `next` method which returns a non-object. +info: | + Object.fromEntries ( iterable ) + + ... + 4. Let stepsDefine be the algorithm steps defined in CreateDataPropertyOnObject Functions. + 5. Let adder be CreateBuiltinFunction(stepsDefine, « »). + 6. Return ? AddEntriesFromIterable(obj, iterable, adder). + + AddEntriesFromIterable ( target, iterable, adder ) + + ... + 4. Repeat, + a. Let next be ? IteratorStep(iteratorRecord). + + + IteratorStep ( iteratorRecord ) + + 1. Let result be ? IteratorNext(iteratorRecord). + + + IteratorNext ( iteratorRecord [ , value ] ) + + ... + 3. If Type(result) is not Object, throw a TypeError exception. + +features: [Symbol.iterator, Object.fromEntries] +---*/ + +var iterable = { + [Symbol.iterator]: function() { + return { + next: function() { + return null; + }, + return: function() { + throw new Test262Error('should not call return'); + }, + }; + }, +}; + +assert.sameValue(typeof Object.fromEntries, 'function'); +assert.throws(TypeError, function() { + Object.fromEntries(iterable); +}); + +reportCompare(0, 0); |