mirror of https://github.com/tc39/test262.git
43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. 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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Resolving with an object with a "poisoned" `then` property from within the
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executor function
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es6id: 25.4.3.1
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info: |
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[...]
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8. Let resolvingFunctions be CreateResolvingFunctions(promise).
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9. Let completion be Call(executor, undefined,
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«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
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25.4.1.3.2 Promise Resolve Functions
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7. If Type(resolution) is not Object, then
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a. Return FulfillPromise(promise, resolution).
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flags: [async]
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---*/
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var returnValue = null;
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var value = {};
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var poisonedThen = Object.defineProperty({}, 'then', {
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get: function() {
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throw value;
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}
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});
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var promise = new Promise(function(resolve) {
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returnValue = resolve(poisonedThen);
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});
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assert.sameValue(returnValue, undefined, '"resolve" return value');
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promise.then(function() {
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$DONE('The promise should not be fulfilled.');
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}, function(val) {
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if (val !== value) {
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$DONE('The promise should be fulfilled with the provided value.');
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return;
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}
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$DONE();
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});
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