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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/next/request-queue-await-order.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/next/request-queue-await-order.js')
-rw-r--r-- | js/src/tests/test262/built-ins/AsyncGeneratorPrototype/next/request-queue-await-order.js | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/AsyncGeneratorPrototype/next/request-queue-await-order.js b/js/src/tests/test262/built-ins/AsyncGeneratorPrototype/next/request-queue-await-order.js new file mode 100644 index 0000000000..e3bf75efbf --- /dev/null +++ b/js/src/tests/test262/built-ins/AsyncGeneratorPrototype/next/request-queue-await-order.js @@ -0,0 +1,68 @@ +// |reftest| async +// Copyright (C) 2018 Valerie Young. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-asyncgenerator-prototype-next +description: next() requests from iterator processed in order, await +info: > + AsyncGenerator.prototype.next ( value ) + 1. Let generator be the this value. + 2. Let completion be NormalCompletion(value). + 3. Return ! AsyncGeneratorEnqueue(generator, completion). + + AsyncGeneratorEnqueue ( generator, completion ) + ... + 4. Let queue be generator.[[AsyncGeneratorQueue]]. + 5. Let request be AsyncGeneratorRequest{[[Completion]]: completion, + [[Capability]]: promiseCapability}. + 6. Append request to the end of queue. + ... + + AsyncGeneratorResolve ( generator, value, done ) + ... + 2. Let queue be generator.[[AsyncGeneratorQueue]]. + 3. Assert: queue is not an empty List. + 4. Remove the first element from queue and let next be the value of that element. + ... + +flags: [async] +features: [async-iteration] +includes: [asyncHelpers.js] +---*/ + +var yieldorder = 0; +var resolveLatePromise; + +function resolveLater() { + return new Promise(resolve => { + resolveLatePromise = resolve; + }); +} + +async function* g() { + yield resolveLater(); + yield ++yieldorder; +} + +var iter = g(); + +assert.sameValue(yieldorder, 0); + +var item1 = iter.next(); +var item2 = iter.next(); +var item3 = iter.next(); + +async function awaitnexts() { + assert.sameValue((await item3).value, undefined) + assert.sameValue(yieldorder, 2, "All next requests have been proccessed.") + assert.sameValue((await item2).value, 2) + assert.sameValue((await item1).value, 1) +} + +asyncTest(awaitnexts); + +// At this point: +// yieldorder == 0 +// item1 is an unresolved promise +resolveLatePromise(++yieldorder); |