JSTests/test262/test/language/expressions/arrow-function/arrow/capturing-closure-variables-1.js

// Copyright 2015 Microsoft Corporation. All rights reserved.
// This code is governed by the license found in the LICENSE file.

/*---
description: Capturing closure variables
es6id: 14.2
---*/

var a;
function foo(){
    eval("a = 10");
    return ()=>a;
 }

assert.sameValue(foo()(), 10, "Closure variable was captured incorrectly.");