mirror of https://github.com/tc39/test262.git
41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
// 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 thrown when accessing the instance's `then` method (rejecting promise)
|
|
esid: sec-promise.race
|
|
es6id: 25.4.4.3
|
|
info: |
|
|
11. Let result be PerformPromiseRace(iteratorRecord, C, promiseCapability).
|
|
12. If result is an abrupt completion,
|
|
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
|
|
[...]
|
|
j. Let result be Invoke(nextPromise, "then",
|
|
«promiseCapability.[[Resolve]], promiseCapability.[[Reject]]»).
|
|
k. ReturnIfAbrupt(result).
|
|
flags: [async]
|
|
---*/
|
|
|
|
var promise = new Promise(function() {});
|
|
var error = new Test262Error();
|
|
|
|
Object.defineProperty(promise, 'then', {
|
|
get: function() {
|
|
throw error;
|
|
}
|
|
});
|
|
|
|
Promise.race([promise]).then(function() {
|
|
$ERROR('The promise should be rejected');
|
|
}, function(reason) {
|
|
assert.sameValue(reason, error);
|
|
}).then($DONE, $DONE);
|