third_party/WebKit/LayoutTests/fast/forms/month/month-stepup-stepdown.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../../../resources/js-test.js"></script>
   5 </head>
   6 <body>
   7 <p id="description"></p>
   8 <div id="console"></div>
   9 <script>
  10 description('Check stepUp() and stepDown() behavior for type=month.');
  11
  12 var input = document.createElement('input');
  13
  14 function setInputAttributes(min, max, step, value) {
  15     input.min = min;
  16     input.max = max;
  17     input.step = step;
  18     input.value = value;
  19 }
  20
  21 function stepUp(value, step, max, optionalStepCount) {
  22     setInputAttributes(null, max, step, value);
  23     if (typeof optionalStepCount != "undefined")
  24         input.stepUp(optionalStepCount);
  25     else
  26         input.stepUp();
  27     return input.value;
  28 }
  29
  30 function stepDown(value, step, min, optionalStepCount) {
  31     setInputAttributes(min, null, step, value);
  32     if (typeof optionalStepCount != "undefined")
  33         input.stepDown(optionalStepCount);
  34     else
  35         input.stepDown();
  36     return input.value;
  37 }
  38
  39 input.type = 'month';
  40 debug('Invalid value');
  41 shouldBeEqualToString('stepUp("", null, null)', '1970-02');
  42 shouldBeEqualToString('stepDown("", null, null)', '1969-12');
  43 debug('Non-number arguments');
  44 shouldBeEqualToString('stepUp("2010-02", null, null, "0")', '2010-02');
  45 shouldBeEqualToString('stepDown("2010-02", null, null, "0")', '2010-02');
  46 shouldBeEqualToString('stepUp("2010-02", null, null, "foo")', '2010-02');
  47 shouldBeEqualToString('stepDown("2010-02", null, null, "foo")', '2010-02');
  48 shouldBeEqualToString('stepUp("2010-02", null, null, null)', '2010-02');
  49 shouldBeEqualToString('stepDown("2010-02", null, null, null)', '2010-02');
  50 debug('Normal cases');
  51 shouldBeEqualToString('stepUp("2010-02", null, null)', '2010-03');
  52 shouldBeEqualToString('stepDown("2010-02", null, null)', '2010-01');
  53 shouldBeEqualToString('stepUp("2010-02", null, null, 10)', '2010-12');
  54 shouldBeEqualToString('stepDown("2010-02", null, null, 11)', '2009-03');
  55 shouldBeEqualToString('stepUp("1970-01", "4", null, 2)', '1970-09');
  56 shouldBeEqualToString('stepDown("1970-01", "4", null, 3)', '1969-01');
  57 debug('Step=any');
  58 shouldThrow('stepUp("2010-02", "any", null)');
  59 shouldThrow('stepDown("2010-02", "any", null)');
  60 debug('Overflow/underflow');
  61 shouldBeEqualToString('stepUp("2010-02", "3.40282346e+38", null)', '1970-01');
  62 shouldBeEqualToString('stepDown("2010-02", "3.40282346e+38", null)', '1970-01');
  63 shouldBeEqualToString('stepUp("2010-02", "1", "2010-02")', '2010-02');
  64 shouldBeEqualToString('stepDown("2010-02", "1", "2010-02")', '2010-02');
  65
  66 debug('');
  67 </script>
  68 </body>
  69 </html>