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// |reftest| async
// Copyright 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
author: Caitlin Potter <caitp@igalia.com>
esid: sec-generator-function-definitions
description: >
`yield` expressions may be used as the right-hand-side of other `yield`
expressions.
flags: [async]
features: [async-iteration]
---*/
var g = async function*() {
yield yield 1;
};
var iter = g();
iter.next().then(function(result) {
assert.sameValue(result.value, 1, 'First result `value`');
assert.sameValue(result.done, false, 'First result `done` flag');
}).then(undefined, $DONE);
iter.next().then(function(result) {
assert.sameValue(result.value, undefined, 'Second result `value`');
assert.sameValue(result.done, false, 'Second result `done` flag');
}).then(undefined, $DONE);
iter.next().then(function(result) {
assert.sameValue(result.value, undefined, 'Third result `value`');
assert.sameValue(result.done, true, 'Thid result `done` flag');
}).then($DONE, $DONE);