LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.19-8-c-iii-1.js

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ES5Harness.registerTest( {
id: "15.4.4.19-8-c-iii-1",

path: "TestCases/chapter15/15.4/15.4.4/15.4.4.19/15.4.4.19-8-c-iii-1.js",

description: "Array.prototype.map - getOwnPropertyDescriptor(all true) of returned array element",

test: function testcase() {
  
  function callbackfn(val, idx, obj){
      if(val % 2)
        return (2 * val + 1); 
      else
        return (val / 2);
  }
  var srcArr = [0,1,2,3,4];
  var resArr = srcArr.map(callbackfn);
  if (resArr.length > 0){
     var desc = Object.getOwnPropertyDescriptor(resArr, 1) 
     if(desc.value === 3 &&        //srcArr[1] = 2*1+1 = 3
       desc.writable === true &&
       desc.enumerable === true &&
       desc.configurable === true){
         return true;
    }
  }
 },

precondition: function prereq() {
  return fnExists(Array.prototype.map,Object.getOwnPropertyDescriptor);
 }
});