LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.20-9-b-1.js

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ES5Harness.registerTest( {
id: "15.4.4.20-9-b-1",

path: "TestCases/chapter15/15.4/15.4.4/15.4.4.20/15.4.4.20-9-b-1.js",

description: "Array.prototype.filter - callbackfn not called for indexes never been assigned values",

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

  var srcArr = new Array(10);
  srcArr[1] = undefined; //explicitly assigning a value
  var resArr = srcArr.filter(callbackfn);
  if( resArr.length === 0 && callCnt === 1)
      return true;    
 },

precondition: function prereq() {
  return fnExists(Array.prototype.filter);
 }
});