/// 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 ch15/15.2/15.2.3/15.2.3.14/15.2.3.14-1-4.js
 * @description Object.keys throws TypeError if type of first param is not Object (null)
 */


function testcase() {
  try {
    Object.keys(null);
  }
  catch (e) {
    if (e instanceof TypeError) {
      return true;
    }
  }
 }
runTestCase(testcase);
