text:   function testcase() 
    {
      var arrObj = [];
      try
  {      Object.defineProperty(arrObj, "length", {
          value : "+Infinity"
        });
        return false;}
      catch (e)
  {      return e instanceof RangeError;}
  
    }
    {
      var __result1 = testcase();
      var __expect1 = true;
    }
    