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|
// |reftest| async
// Copyright (C) 2018 Valerie Young. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%asyncfromsynciteratorprototype%.next
description: next() will reject promise if getter `done` abrupt completes
info: |
%AsyncFromSyncIteratorPrototype%.next ( value )
...
2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
...
5. Let nextResult be IteratorNext(syncIteratorRecord, value).
6. IfAbruptRejectPromise(nextResult, promiseCapability).
7. Let nextDone be IteratorComplete(nextResult).
8. IfAbruptRejectPromise(nextDone, promiseCapability).
...
18. Return promiseCapability.[[Promise]].
flags: [async]
features: [async-iteration]
---*/
var thrownError = new Error("Catch me.");
var obj = {
[Symbol.iterator]() {
return {
next() {
return {
get done() {
throw thrownError;
},
value: 1
}
}
};
}
};
async function* asyncg() {
yield* obj;
}
asyncg().next().then(
function (result) {
throw new Test262Error("Promise should be rejected.");
},
function (err) {
assert.sameValue(err, thrownError, "Promise should be rejected with thrown error");
}
).then($DONE, $DONE);
|
