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-rw-r--r--js/src/tests/test262/built-ins/Promise/race/resolved-sequence.js52
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diff --git a/js/src/tests/test262/built-ins/Promise/race/resolved-sequence.js b/js/src/tests/test262/built-ins/Promise/race/resolved-sequence.js
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+++ b/js/src/tests/test262/built-ins/Promise/race/resolved-sequence.js
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+// |reftest| async
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-promise.race
+description: Resolution ticks are set in a predictable sequence
+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]] »).
+
+flags: [async]
+includes: [compareArray.js,promiseHelper.js]
+---*/
+
+let a = new Promise(resolve => resolve('a'));
+let b = new Promise(resolve => resolve('b'));
+let sequence = [1];
+Promise.all([
+ a.then(() => {
+ sequence.push(3);
+ assert.sameValue(sequence.length, 3);
+ return checkSequence(sequence, 'Expected to be called first.');
+ }),
+ Promise.race([a, b]).then(() => {
+ sequence.push(5);
+ assert.sameValue(sequence.length, 5);
+ return checkSequence(sequence, 'Expected to be called third.');
+ }),
+ b.then(() => {
+ sequence.push(4);
+ assert.sameValue(sequence.length, 4);
+ return checkSequence(sequence, 'Expected to be called second.');
+ })
+]).then(result => {
+ assert.compareArray(result, [true, true, true]);
+ assert.sameValue(sequence.length, 5);
+ checkSequence(sequence)
+}).then($DONE, $DONE);
+sequence.push(2);