text:   function testcase() 
    {
      var obj = {
        
      };
      var attr = {
        writable : true
      };
      Object.defineProperty(obj, "property", attr);
      return obj.hasOwnProperty("property") && typeof (obj.property) === "undefined";
    }
    {
      var __result1 = testcase();
      var __expect1 = true;
    }
    