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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/Promise/race/iter-step-err-reject.js
parentInitial commit. (diff)
downloadfirefox-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/iter-step-err-reject.js')
-rw-r--r--js/src/tests/test262/built-ins/Promise/race/iter-step-err-reject.js52
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diff --git a/js/src/tests/test262/built-ins/Promise/race/iter-step-err-reject.js b/js/src/tests/test262/built-ins/Promise/race/iter-step-err-reject.js
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+++ b/js/src/tests/test262/built-ins/Promise/race/iter-step-err-reject.js
@@ -0,0 +1,52 @@
+// |reftest| async
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+ Error when advancing the provided iterable (rejecting promise)
+esid: sec-promise.race
+info: |
+ [...]
+ 11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
+ 12. If result is an abrupt completion, then
+ a. If iteratorRecord.[[done]] is false, let result be
+ IteratorClose(iterator,result).
+ b. IfAbruptRejectPromise(result, promiseCapability).
+
+ 25.4.4.3.1 Runtime Semantics: PerformPromiseRace
+ 1. Repeat
+ a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+ b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+ c. ReturnIfAbrupt(next).
+features: [Symbol.iterator]
+flags: [async]
+---*/
+
+var iterStepThrows = {};
+var poisonedDone = {};
+var error = new Test262Error();
+Object.defineProperty(poisonedDone, 'done', {
+ get: function() {
+ throw error;
+ }
+});
+Object.defineProperty(poisonedDone, 'value', {
+ get: function() {
+ throw new Test262Error('The `value` property should not be accessed.');
+ }
+});
+
+iterStepThrows[Symbol.iterator] = function() {
+ return {
+ next: function() {
+ return poisonedDone;
+ }
+ };
+};
+
+Promise.race(iterStepThrows).then(function() {
+ $DONE('The promise should be rejected.');
+}, function(reason) {
+ assert.sameValue(reason, error);
+}).then($DONE, $DONE);