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// 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 (not closing iterator)
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]
---*/
var iterStepThrows = {};
var poisonedDone = {};
var returnCount = 0;
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;
},
return: function() {
returnCount += 1;
}
};
};
Promise.race(iterStepThrows);
assert.sameValue(returnCount, 0);
reportCompare(0, 0);
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