/// 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.
/**
 * @path ch10/10.4/10.4.3/10.4.3-1-100-s.js
 * @description Strict Mode - checking 'this' (strict function passed as arg to String.prototype.replace from non-strict context)
 * @onlyStrict
 */
    
function testcase() {
var x = 3;

function f() {
    "use strict";
    x = this;
    return "a";
}
return ("ab".replace("b", f)==="aa") && (x===undefined);
}
runTestCase(testcase);