text:   function testcase() 
    {
      var str = "abc" + "   " + 123 + "   " + {
        
      } + "    " + "\u0000";
      var str1 = "    " + str + "    ";
      return str1.trim() === str;
    }
    {
      var __result1 = testcase();
      var __expect1 = true;
    }
    