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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.
/*---
es6id: 25.2
description: >
When invoked via the function invocation pattern with a single argument,
the GeneratorFunction intrinsic creates a valid generator whose body is the
first argument evaluated as source code.
features: [generators]
---*/
var GeneratorFunction = Object.getPrototypeOf(function*() {}).constructor;
var g = GeneratorFunction('yield 1;');
var iter = g();
var result;
result = iter.next();
assert.sameValue(result.value, 1, 'First result `value`');
assert.sameValue(result.done, false, 'First result `done` flag');
result = iter.next();
assert.sameValue(result.value, undefined, 'Final result `value`');
assert.sameValue(result.done, true, 'Final result `done` flag');
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