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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/AsyncGeneratorPrototype/return/return-suspendedStart-promise.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/AsyncGeneratorPrototype/return/return-suspendedStart-promise.js')
-rw-r--r-- | js/src/tests/test262/built-ins/AsyncGeneratorPrototype/return/return-suspendedStart-promise.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/AsyncGeneratorPrototype/return/return-suspendedStart-promise.js b/js/src/tests/test262/built-ins/AsyncGeneratorPrototype/return/return-suspendedStart-promise.js new file mode 100644 index 0000000000..9e347b771c --- /dev/null +++ b/js/src/tests/test262/built-ins/AsyncGeneratorPrototype/return/return-suspendedStart-promise.js @@ -0,0 +1,51 @@ +// |reftest| async +// Copyright 2017 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +author: Caitlin Potter <caitp@igalia.com> +esid: sec-asyncgenerator-prototype-return +description: > + Generator is not resumed after a return type completion. + Returning promise before start +info: | + AsyncGenerator.prototype.return ( value ) + 1. Let generator be the this value. + 2. Let completion be Completion{[[Type]]: return, [[Value]]: value, [[Target]]: empty}. + 3. Return ! AsyncGeneratorEnqueue(generator, completion). + + AsyncGeneratorEnqueue ( generator, completion ) + ... + 8. If state is not "executing", then + a. Perform ! AsyncGeneratorResumeNext(generator). + ... + AsyncGeneratorResumeNext: + If completion.[[Type]] is return, and generator.[[AsyncGeneratorState]] is + "suspendedStart", generator is closed without being resumed. + + AsyncGeneratorResolve will unwrap Promise values (steps 6-10) +flags: [async] +features: [async-iteration] +---*/ + +var g = async function*() { + throw new Test262Error('Generator must not be resumed.'); +}; + +var it = g(); +var resolve; +var promise = new Promise(function(resolver) { + resolve = resolver; +}); + +it.return(promise).then(function(ret) { + assert.sameValue(ret.value, 'unwrapped-value', 'AsyncGeneratorResolve(generator, completion.[[Value]], true)'); + assert.sameValue(ret.done, true, 'AsyncGeneratorResolve(generator, completion.[[Value]], true)'); + + it.next().then(function(ret) { + assert.sameValue(ret.value, undefined, 'Generator is closed'); + assert.sameValue(ret.done, true, 'Generator is closed'); + }).then($DONE, $DONE); +}).catch($DONE); + +resolve('unwrapped-value'); |