<!DOCTYPE HTML>
<html>
<title>Forms</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<h3>input_stepUp</h3>
<input type='number' id='input_number'> <br/>
<input type="number" id="number_input" max="100" step="1" value="200">
<input type="date" id="date_input"  max="2009-02-10" step="1" value="2010-02-10">
<input type="datetime-local" id="dtl_input" max="2009-02-10T20:13" step="1" value="2010-02-10T20:13">
<input type="month" id="month_input" max="2009-02" step="1" value="2010-02">
<input type="time" id="time_input" max="19:13" step="60" value="20:13">
<input type="week" id="week_input" max="2009-W02" step="1" value="2010-W02">

<script>

    var input_number = document.getElementById("input_number");
    input_number.max = "30";
    input_number.step = "3";
    input_number.value = "0";
    input_number.stepUp(5);

    if (typeof(input_number.stepUp) == "function") {
      test(function() {
        assert_equals(input_number.value, "15", "call of stepUp method is failed.");
      });
    } else {
      test(function() {
        assert_unreached("stepUp attribute is not exist.");
      });
    }

    function testStepUpOverflow(id, value, type) {
      test(function() {
        var input = document.getElementById(id);
        input.stepUp();
        assert_equals(input.value, value, "value shouldn't change.");
      }, "Calling stepUp() on input -" + type + "- where value > max should not modify value.");
    }

    testStepUpOverflow("number_input", "200", "number");
    testStepUpOverflow("date_input", "2010-02-10", "date");
    testStepUpOverflow("dtl_input", "2010-02-10T20:13", "datetime-local");
    testStepUpOverflow("month_input", "2010-02", "month");
    testStepUpOverflow("time_input", "20:13", "time");
    testStepUpOverflow("week_input", "2010-W02", "week");
</script>
</html>