test262/test/language/function-code/10.4.3-1-102gs.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms").   Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.

/*---
es5id: 10.4.3-1-102gs
description: >
    Strict Mode - checking 'this' (strict anonymous function passed as
    arg to String.prototype.replace)
---*/

var x = 3;
if ( ("ab".replace("b", (function () { 
                                "use strict";
                                return function () {
                                    x = this;
                                    return "a";
                                }
                           })())!=="aa") || (x!==undefined)) {
     throw "'this' had incorrect value!";
}