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diff --git a/js/src/tests/test262/language/statements/async-generator/yield-star-return-missing-value-is-awaited.js b/js/src/tests/test262/language/statements/async-generator/yield-star-return-missing-value-is-awaited.js
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+++ b/js/src/tests/test262/language/statements/async-generator/yield-star-return-missing-value-is-awaited.js
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+// |reftest| async
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-generator-function-definitions-runtime-semantics-evaluation
+description: >
+ If iterator's "return" method is missing,
+ received value is awaited before forwarded to the runtime.
+info: |
+ YieldExpression : yield * AssignmentExpression
+
+ [...]
+ 7. Repeat,
+ [...]
+ c. Else,
+ i. Assert: received.[[Type]] is return.
+ ii. Let return be ? GetMethod(iterator, "return").
+ iii. If return is undefined, then
+ 1. If generatorKind is async, then set received.[[Value]] to ? Await(received.[[Value]]).
+ 2. Return Completion(received).
+features: [Symbol.asyncIterator, async-iteration]
+flags: [async]
+---*/
+
+var asyncIterable = {
+ [Symbol.asyncIterator]: function() {
+ return this;
+ },
+ next: function() {
+ return {value: 1, done: false};
+ },
+};
+
+async function* asyncGenerator() {
+ yield* asyncIterable;
+}
+
+var asyncIterator = asyncGenerator();
+asyncIterator.next().then(function() {
+ var promise = Promise.resolve(2).then(() => 3);
+ return asyncIterator.return(promise).then(function(result) {
+ assert.sameValue(result.value, 3);
+ assert.sameValue(result.done, true);
+ });
+}).then($DONE, $DONE);