test/built-ins/Array/prototype/map/15.4.4.19-8-b-1.js


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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.

/*---
es5id: 15.4.4.19-8-b-1
description: >
    Array.prototype.map - callbackfn not called for indexes never been
    assigned values
includes: [runTestCase.js]
---*/

function testcase() { 
 
  var callCnt = 0;
  function callbackfn(val, idx, obj)
  {
    callCnt++;
    return 1;
  }

  var srcArr = new Array(10);
  srcArr[1] = undefined; //explicitly assigning a value
  var resArr = srcArr.map(callbackfn);
  if( resArr.length === 10 && callCnt === 1)
      return true;    
 }
runTestCase(testcase);