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// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
`yield` is a valid statement within generator function bodies.
es6id: 14.4
features: [generators]
---*/
var iter, result;
var g1 = function*() { yield; };
var g2 = function*() { yield 1; };
iter = g1();
result = iter.next();
assert.sameValue(
result.value, undefined, 'Without right-hand-side: first result `value`'
);
assert.sameValue(
result.done, false, 'Without right-hand-side: first result `done` flag'
);
result = iter.next();
assert.sameValue(
result.value, undefined, 'Without right-hand-side: second result `value`'
);
assert.sameValue(
result.done, true, 'Without right-hand-eside: second result `done` flag'
);
iter = g2();
result = iter.next();
assert.sameValue(
result.value, 1, 'With right-hand-side: first result `value`'
);
assert.sameValue(
result.done, false, 'With right-hand-side: first result `done` flag'
);
result = iter.next();
assert.sameValue(
result.value, undefined, 'With right-hand-side: second result `value`'
);
assert.sameValue(
result.done, true, 'With right-hand-eside: second result `done` flag'
);
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