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+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%asyncfromsynciteratorprototype%.throw
+description: throw() will reject promise if getter `done` abrupt completes
+info: |
+ %AsyncFromSyncIteratorPrototype%.throw ( value )
+ ...
+ 2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+ ...
+ 5. Let throw be GetMethod(syncIterator, "throw").
+ ...
+ 8. Let throwResult be Call(throw, syncIterator, « value »).
+ ...
+ 11. Let throwDone be IteratorComplete(throwResult).
+ 12. IfAbruptRejectPromise(throwDone, promiseCapability).
+ 13. Let throwValue be IteratorValue(throwResult).
+ 14. IfAbruptRejectPromise(throwValue, promiseCapability).
+ ...
+ 20. Return promiseCapability.[[Promise]].
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var thrownError = new Error("Catch me.");
+
+var obj = {
+ [Symbol.iterator]() {
+ return {
+ next() {
+ return { value: 1, done: false };
+ },
+ throw() {
+ return {
+ get done() {
+ throw thrownError;
+ },
+ value: 1
+ }
+ }
+ };
+ }
+};
+
+async function* asyncg() {
+ yield* obj;
+}
+
+var iter = asyncg();
+
+iter.next().then(function(result) {
+
+ iter.throw().then(
+ function (result) {
+ throw new Test262Error("Promise should be rejected, got: " + result.value);
+ },
+ function (err) {
+ assert.sameValue(err, thrownError, "Promise should be rejected with thrown error");
+
+ iter.next().then(({ done, value }) => {
+ assert.sameValue(done, true, 'the iterator is completed');
+ assert.sameValue(value, undefined, 'value is undefined');
+ }).then($DONE, $DONE);
+ }
+ ).catch($DONE);
+
+}).catch($DONE);