test262/test/built-ins/GeneratorFunction/invoked-as-function-no-arguments.js

// 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 without arguments, the
    GeneratorFunction intrinsic returns a valid generator with an empty body.
features: [generators]
---*/

var GeneratorFunction = Object.getPrototypeOf(function* () {}).constructor;

var g = GeneratorFunction();
var iter = g();
var result = iter.next();

assert.sameValue(result.value, undefined, 'Result `value`');
assert.sameValue(result.done, true, 'Result `done` flag');