third_party/WebKit/LayoutTests/fast/forms/range/range-stepup-stepdown-from-renderer.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 stepping-up and -down for range input from renderer.');
  11
  12 var input = document.createElement('input');
  13 var invalidStateErr = '"InvalidStateError: An attempt was made to use an object that is not, or is no longer, usable."';
  14
  15 function sendKey(keyName) {
  16     var event = document.createEvent('KeyboardEvent');
  17     event.initKeyboardEvent('keydown', true, true, document.defaultView, keyName);
  18     input.dispatchEvent(event);
  19 }
  20
  21 function setInputAttributes(min, max, step, value) {
  22     input.min = min;
  23     input.max = max;
  24     input.step = step;
  25     input.value = value;
  26 }
  27
  28 function stepUp(value, step, max, optionalStepCount) {
  29     setInputAttributes(null, max, step, value);
  30     if (typeof optionalStepCount != "undefined")
  31         if (optionalStepCount < 0)
  32             for (var i = 0; i < -optionalStepCount; i++)
  33                 sendKey('Down');
  34         else
  35             for (var i = 0; i < optionalStepCount; i++)
  36                 sendKey('Up');
  37     else
  38         sendKey('Up');
  39     return input.value;
  40 }
  41
  42 function stepDown(value, step, min, optionalStepCount) {
  43     setInputAttributes(min, null, step, value);
  44     if (typeof optionalStepCount != "undefined")
  45         if (optionalStepCount < 0)
  46             for (var i = 0; i < -optionalStepCount; i++)
  47                 sendKey('Up');
  48         else
  49             for (var i = 0; i < optionalStepCount; i++)
  50                 sendKey('Down');
  51     else
  52         sendKey('Down');
  53     return input.value;
  54 }
  55
  56 // Range value gets automatically shifted based on bounds,
  57 // So always set the min and max first to get expected behavior
  58
  59 function stepUpExplicitBounds(min, max, step, value, stepCount) {
  60     setInputAttributes(min, max, step, value);
  61     if (typeof stepCount !== 'undefined')
  62         if (stepCount < 0) {
  63             for (var i = 0; i < -stepCount; i++)
  64                 sendKey('Down');
  65         } else {
  66             for (var i = 0; i < stepCount; i++)
  67                 sendKey('Up');
  68         }
  69     else
  70         sendKey('Up');
  71     return input.value;
  72 }
  73
  74 function stepDownExplicitBounds(min, max, step, value, stepCount) {
  75     setInputAttributes(min, max, step, value);
  76     if (typeof stepCount !== 'undefined')
  77         if (stepCount < 0) {
  78             for (var i = 0; i < -stepCount; i++)
  79                 sendKey('Up');
  80         } else {
  81             for (var i = 0; i < stepCount; i++)
  82                 sendKey('Down');
  83         }
  84     else
  85         sendKey('Down');
  86     return input.value;
  87 }
  88
  89 input.type = 'range';
  90 debug('Function arguments are (min, max, step, value, [stepCount]).');
  91 debug('Using the default values');
  92 shouldBe('stepUpExplicitBounds(null, null, null, "")', '"51"');
  93 shouldBe('stepDownExplicitBounds(null, null, null, "")', '"49"');
  94 shouldBe('stepUpExplicitBounds(null, null, "any", "")', '"51"');
  95 shouldBe('stepDownExplicitBounds(null, null, "any", "")', '"49"');
  96 shouldBe('stepUpExplicitBounds(null, null, "foo", "")', '"51"');
  97 shouldBe('stepDownExplicitBounds(null, null, "foo", "")', '"49"');
  98 shouldBe('stepUpExplicitBounds(null, null, null, "foo")', '"51"');
  99 shouldBe('stepDownExplicitBounds(null, null, null, "foo")', '"49"');
 100 shouldBe('stepUpExplicitBounds(null, null, "any", "foo")', '"51"');
 101 shouldBe('stepDownExplicitBounds(null, null, "any", "foo")', '"49"');
 102 shouldBe('stepUpExplicitBounds(null, null, "foo", "foo")', '"51"');
 103 shouldBe('stepDownExplicitBounds(null, null, "foo", "foo")', '"49"');
 104 debug('Normal cases');
 105 shouldBe('stepUpExplicitBounds(null, null, null, "0")', '"1"');
 106 shouldBe('stepUpExplicitBounds(null, null, null, "1", 2)', '"3"');
 107 shouldBe('stepUpExplicitBounds(null, null, null, "3", -1)', '"2"');
 108 shouldBe('stepDownExplicitBounds("-100", null, null, "2")', '"1"');
 109 shouldBe('stepDownExplicitBounds("-100", null, null, "1", 2)', '"-1"');
 110 shouldBe('stepDownExplicitBounds("-100", null, null, "-1", -1)', '"0"');
 111 debug('Invalid step value');
 112 shouldBe('stepUpExplicitBounds(null, null, "foo", "0")', '"1"');
 113 shouldBe('stepUpExplicitBounds(null, null, "0", "1")', '"2"');
 114 shouldBe('stepUpExplicitBounds(null, null, "-1", "2")', '"3"');
 115 shouldBe('stepDownExplicitBounds(null, null, "foo", "1")', '"0"');
 116 shouldBe('stepDownExplicitBounds(null, null, "0", "2")', '"1"');
 117 shouldBe('stepDownExplicitBounds(null, null, "-1", "3")', '"2"');
 118 debug('Step=any');
 119 shouldBe('stepUpExplicitBounds(null, null, "any", "1")', '"2"');
 120 shouldBe('stepDownExplicitBounds(null, null, "any", "1")', '"0"');
 121 debug('Overflow/underflow');
 122 shouldBe('stepUpExplicitBounds(null, "100", "1", "99")', '"100"');
 123 shouldBe('stepUpExplicitBounds(null, "100", "1", "100")', '"100"');
 124 shouldBe('stepUpExplicitBounds(null, "100", "1", "99", 2)', '"100"');
 125 shouldBe('stepDownExplicitBounds("0", null, "1", "1")', '"0"');
 126 shouldBe('stepDownExplicitBounds("0", null, "1", "0")', '"0"');
 127 shouldBe('stepDownExplicitBounds("0", null, "1", "1", 2)', '"0"');
 128 shouldBe('stepDownExplicitBounds(null, null, "3.40282346e+38", "1", 2)', '"0"');
 129 shouldBe('stepUpExplicitBounds(-100, 0, 1, -1)', '"0"');
 130 shouldBe('stepUpExplicitBounds(null, 0, 1, 0)', '"0"');
 131 shouldBe('stepUpExplicitBounds(-100, 0, 1, -1, 2)', '"0"');
 132 shouldBe('stepUpExplicitBounds(null, null, "3.40282346e+38", "1", 2)', '"0"');
 133 debug('stepDown()/stepUp() for stepMismatch values');
 134 shouldBe('stepUpExplicitBounds(null, null, 2, 1)', '"4"');
 135 shouldBe('stepUpExplicitBounds(0, null, 10, 9, 9)', '"100"');
 136 shouldBe('stepDownExplicitBounds(0, null, 10, 19)', '"10"');
 137 debug('value + step is <= max, but rounded result would be > max.');
 138 shouldBe('stepUpExplicitBounds(null, 99, 10, 89)', '"90"');
 139 debug('Huge value and small step');
 140 shouldBe('stepUpExplicitBounds(0, 1e38, 1, 1e38, 999)', '"1e+38"');
 141 shouldBe('stepDownExplicitBounds(0, 1e38, 1, 1e38, 999)', '"1e+38"');
 142 debug('Fractional numbers');
 143 shouldBe('stepUpExplicitBounds(null, null, 0.33333333333333333, 0, 3)', '"1"');
 144 shouldBe('stepUpExplicitBounds(null, null, 0.1, 1)', '"1.1"');
 145 shouldBe('stepUpExplicitBounds(null, null, 0.1, 1, 8)', '"1.8"');
 146 shouldBe('stepUpExplicitBounds(null, null, 0.1, 1, 10)', '"2"');
 147 shouldBe('stepUpExplicitBounds(0, 1, 0.003921568627450980, 0, 255)', '"1"');
 148 shouldBe('stepDownExplicitBounds(null, null, 0.1, 1, 8)', '"0.2"');
 149 shouldBe('stepDownExplicitBounds(null, null, 0.1, 1)', '"0.9"');
 150
 151 debug('');
 152 </script>
 153 </body>
 154 </html>