mirror of https://github.com/tc39/test262.git
56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
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// Copyright (C) 2019 Leo Balter, 2020 Rick Waldron. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: >
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Gets constructor's `resolve` method once from zero to many invocations.
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esid: sec-promise.any
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info: |
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5. Let result be PerformPromiseAny(iteratorRecord, C, promiseCapability).
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6. If result is an abrupt completion, then
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a. If iteratorRecord.[[Done]] is false, set result to IteratorClose(iteratorRecord, result).
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b. IfAbruptRejectPromise(result, promiseCapability).
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Runtime Semantics: PerformPromiseAny
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6. Let promiseResolve be ? Get(constructor, "resolve").
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7. If ! IsCallable(promiseResolve) is false, throw a TypeError exception.
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8. Repeat
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...
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i. Let nextPromise be ? Call(promiseResolve, constructor, « nextValue »).
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flags: [async]
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features: [Promise.any]
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---*/
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let promises = [
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Promise.reject(1),
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Promise.reject(1),
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Promise.reject(1),
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];
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let boundPromiseResolve = Promise.resolve.bind(Promise);
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let getCount = 0;
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let callCount = 0;
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Object.defineProperty(Promise, 'resolve', {
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configurable: true,
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get() {
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getCount += 1;
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return function(...args) {
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callCount += 1;
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return boundPromiseResolve(...args);
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};
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}
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});
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Promise.any(promises).then(() => {
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$DONE('The promise should be rejected, but was resolved');
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}, ({errors}) => {
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assert.sameValue(getCount, 1);
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assert.sameValue(callCount, 3);
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assert.sameValue(errors.length, 3);
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}).then($DONE, $DONE);
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