text:   function testcase() 
    {
      var obj = {
        
      };
      var descObj = new Number(- 9);
      descObj.value = "Number";
      Object.defineProperties(obj, {
        property : descObj
      });
      return obj.property === "Number";
    }
    {
      var __result1 = testcase();
      var __expect1 = true;
    }
    