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 /// 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 ch11/11.4/11.4.1/11.4.1-5-2.js

  * @description delete operator returns false when deleting a direct reference to a function argument

  */

 function testcase() {

   function foo(a,b) {

     // Now, deleting 'a' directly should fail

     // because 'a' is direct reference to a function argument;

     var d = delete a;

     return (d === false && a === 1);

   }

   return foo(1,2);  

  }

 runTestCase(testcase);