8.00",
      "12:59:58.000"],
    "a valid time string representing 2 seconds before 1pm");
}, "stepDown argument 2 times");

test(function(){
  _StepTest.max = "15:00";
  this.add_cleanup(function() { _StepTest.max = ""; });
  _StepTest.value = "15:00";
  _StepTest.stepUp();
  assert_in_array(
    _StepTest.value,
    [
      "15:00",
      "15:00:00",
      "15:00:00.0",
      "15:00:00.00",
      "15:00:00.000"],
    "a valid time string representing 3pm");
} , "stepUp stop because it exceeds the maximum