LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.17-7-6.js

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ES5Harness.registerTest( {
id: "15.4.4.17-7-6",

path: "TestCases/chapter15/15.4/15.4.4/15.4.4.17/15.4.4.17-7-6.js",

description: "Array.prototype.some visits deleted element in array after the call when same index is also present in prototype",

test: function testcase() { 
 
  function callbackfn(val, idx, obj)
  {
    delete arr[4];
    if(val < 5)
      return false;
    else 
      return true;
  }


  Array.prototype[4] = 5;
  var arr = [1,2,3,4,5];
  
  var res = arr.some(callbackfn) ;
  delete Array.prototype[4];
  if(res === true)    
    return true;  
  
 },

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