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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/language/statements/async-generator/yield-star-promise-not-unwrapped.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/async-generator/yield-star-promise-not-unwrapped.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/yield-star-promise-not-unwrapped.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/yield-star-promise-not-unwrapped.js b/js/src/tests/test262/language/statements/async-generator/yield-star-promise-not-unwrapped.js new file mode 100644 index 0000000000..4dabe6af43 --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/yield-star-promise-not-unwrapped.js @@ -0,0 +1,42 @@ +// |reftest| async +// Copyright (C) 2022 Kevin Gibbons. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-generator-function-definitions-runtime-semantics-evaluation +description: > + `yield*` in an async generator does not await promises returned by a manually implemented async iterator. +flags: [async] +features: [async-iteration] +---*/ + +var innerPromise = Promise.resolve("unwrapped value"); + +var asyncIter = { + [Symbol.asyncIterator]() { + return this; + }, + next() { + return { + done: false, + value: innerPromise, + }; + }, + get return() { + throw new Test262Error(".return should not be accessed"); + }, + get throw() { + throw new Test262Error(".throw should not be accessed"); + }, +}; + +async function* f() { + yield* asyncIter; +} + +f() + .next() + .then(v => { + assert.sameValue(v.value, innerPromise, "yield* should not unwrap promises from manually-implemented async iterators"); + }) + .then($DONE, $DONE) |