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/test262/language/statements/for-await-of/iterator-close-non-throw-get-method-is-null.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/language/statements/for-await-of/iterator-close-non-throw-get-method-is-null.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-await-of/iterator-close-non-throw-get-method-is-null.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/iterator-close-non-throw-get-method-is-null.js b/js/src/tests/test262/language/statements/for-await-of/iterator-close-non-throw-get-method-is-null.js new file mode 100644 index 0000000000..61a35bacfc --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/iterator-close-non-throw-get-method-is-null.js @@ -0,0 +1,52 @@ +// |reftest| async +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-asynciteratorclose +description: > + If iterator's "return" method is `null`, + received non-throw completion is forwarded to the runtime. +info: | + AsyncIteratorClose ( iteratorRecord, completion ) + + [...] + 4. Let innerResult be GetMethod(iterator, "return"). + 5. If innerResult.[[Type]] is normal, + a. Let return be innerResult.[[Value]]. + b. If return is undefined, return Completion(completion). + + GetMethod ( V, P ) + + [...] + 2. Let func be ? GetV(V, P). + 3. If func is either undefined or null, return undefined. +features: [Symbol.asyncIterator, async-iteration] +flags: [async] +includes: [asyncHelpers.js] +---*/ + +var iterationCount = 0; +var returnGets = 0; + +var iterable = {}; +iterable[Symbol.asyncIterator] = function() { + return { + next: function() { + return {value: 1, done: false}; + }, + get return() { + returnGets += 1; + return null; + }, + }; +}; + +asyncTest(async function() { + for await (var _ of iterable) { + iterationCount += 1; + break; + } + + assert.sameValue(iterationCount, 1); + assert.sameValue(returnGets, 1); +}); |