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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/Promise/race/reject-from-same-thenable.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Promise/race/reject-from-same-thenable.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Promise/race/reject-from-same-thenable.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Promise/race/reject-from-same-thenable.js b/js/src/tests/test262/built-ins/Promise/race/reject-from-same-thenable.js new file mode 100644 index 0000000000..25601b9361 --- /dev/null +++ b/js/src/tests/test262/built-ins/Promise/race/reject-from-same-thenable.js @@ -0,0 +1,65 @@ +// Copyright (C) 2020 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-performpromiserace +description: > + Promise.race does not prevent resolve from being called multiple times. +info: | + PerformPromiseRace + + Repeat, + Let next be IteratorStep(iteratorRecord). + If next is an abrupt completion, set iteratorRecord.[[Done]] to true. + ReturnIfAbrupt(next). + If next is false, then + Set iteratorRecord.[[Done]] to true. + Return resultCapability.[[Promise]]. + Let nextValue be IteratorValue(next). + If nextValue is an abrupt completion, set iteratorRecord.[[Done]] to true. + ReturnIfAbrupt(nextValue). + Let nextPromise be ? Call(promiseResolve, constructor, « nextValue »). + Perform ? Invoke(nextPromise, "then", « resultCapability.[[Resolve]], resultCapability.[[Reject]] »). + +includes: [promiseHelper.js] +---*/ + +let callCount = 0; +let sequence = []; + +function Constructor(executor) { + function reject(value) { + callCount += 1; + sequence.push(value); + } + executor(() => { + throw new Test262Error(); + }, reject); +} +Constructor.resolve = function(v) { + return v; +}; + +let pReject; + +let a = { + then(_, rejecter) { + pReject = rejecter; + } +}; + +assert.sameValue(callCount, 0, 'callCount before call to race()'); + +Promise.race.call(Constructor, [a]); + +assert.sameValue(callCount, 0, 'callCount after call to race()'); + +pReject(1); +pReject(2); +pReject(3); + +assert.sameValue(callCount, 3, 'callCount after resolving a'); +assert.sameValue(sequence.length, 3); +checkSequence(sequence); + +reportCompare(0, 0); |