LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.22-9-4.js

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ES5Harness.registerTest( {
id: "15.4.4.22-9-4",

path: "TestCases/chapter15/15.4/15.4.4/15.4.4.22/15.4.4.22-9-4.js",

description: "Array.prototype.reduceRight doesn't consider unvisited deleted elements when Array.length is decreased",

test: function testcase() { 
 
  function callbackfn(prevVal, curVal, idx, obj)
  {
    arr.length = 2;
    return prevVal + curVal;
  }

  var arr = [1,2,3,4,5];
  if(arr.reduceRight(callbackfn) === 12 )
    return true;  
  
 },

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