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ES5Harness.registerTest( {
id: "15.4.4.21-8-c-2",

path: "TestCases/chapter15/15.4/15.4.4/15.4.4.21/15.4.4.21-8-c-2.js",

description: "Array.prototype.reduce throws TypeError when elements assigned values are deleted by reducing array length and initialValue is not present",

test: function testcase() { 
 
  function callbackfn(prevVal, curVal, idx, obj)
  {
  }

  var arr = new Array(10);
  arr[9] = 1;
  arr.length = 5;
  try {
    arr.reduce(callbackfn);
  } 
  catch(e) {
    if(e instanceof TypeError)
      return true;  
  }
 },

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