test262/test/built-ins/Promise/all/iter-next-val-err-no-close.js

56 lines
1.3 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.
/*---
esid: sec-promise.all
description: >
Error when accessing an iterator result's `value` property (not closing
iterator)
info: |
11. Let result be PerformPromiseAll(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).
[...]
25.4.4.1.1 Runtime Semantics: PerformPromiseAll
[...]
6. Repeat
[...]
e. Let nextValue be IteratorValue(next).
f. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
true.
g. ReturnIfAbrupt(nextValue).
features: [Symbol.iterator]
---*/
var iterNextValThrows = {};
var returnCount = 0;
var poisonedVal = {
done: false
};
var error = new Test262Error();
Object.defineProperty(poisonedVal, 'value', {
get: function() {
throw error;
}
});
iterNextValThrows[Symbol.iterator] = function() {
return {
next: function() {
return poisonedVal;
},
return: function() {
returnCount += 1;
return {};
}
};
};
Promise.all(iterNextValThrows);
assert.sameValue(returnCount, 0);