third_party/WebKit/LayoutTests/fast/forms/number/number-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 <script>
   8 description('Check stepping-up and -down for number input from renderer.');
   9
  10 var input = document.createElement('input');
  11 var invalidStateErr = '"InvalidStateError: An attempt was made to use an object that is not, or is no longer, usable."';
  12
  13 function sendKey(keyName) {
  14     var event = document.createEvent('KeyboardEvent');
  15     event.initKeyboardEvent('keydown', true, true, document.defaultView, keyName);
  16     input.dispatchEvent(event);
  17 }
  18
  19 function setInputAttributes(min, max, step, value) {
  20     input.min = min;
  21     input.max = max;
  22     input.step = step;
  23     input.value = value;
  24 }
  25
  26 function stepUp(value, step, max, optionalStepCount) {
  27     setInputAttributes(null, max, step, value);
  28     if (typeof optionalStepCount != "undefined")
  29         if (optionalStepCount < 0)
  30             for (var i = 0; i < -optionalStepCount; i++)
  31                 sendKey('Down');
  32         else
  33             for (var i = 0; i < optionalStepCount; i++)
  34                 sendKey('Up');
  35     else
  36         sendKey('Up');
  37     return input.value;
  38 }
  39
  40 function stepDown(value, step, min, optionalStepCount) {
  41     setInputAttributes(min, null, step, value);
  42     if (typeof optionalStepCount != "undefined")
  43         if (optionalStepCount < 0)
  44             for (var i = 0; i < -optionalStepCount; i++)
  45                 sendKey('Up');
  46         else
  47             for (var i = 0; i < optionalStepCount; i++)
  48                 sendKey('Down');
  49     else
  50         sendKey('Down');
  51     return input.value;
  52 }
  53
  54 // Range value gets automatically shifted based on bounds,
  55 // So always set the min and max first to get expected behavior
  56
  57 function stepUpExplicitBounds(min, max, step, value, stepCount) {
  58     setInputAttributes(min, max, step, value);
  59     if (typeof stepCount !== 'undefined')
  60         if (stepCount < 0) {
  61             for (var i = 0; i < -stepCount; i++)
  62                 sendKey('Down');
  63         } else {
  64             for (var i = 0; i < stepCount; i++)
  65                 sendKey('Up');
  66         }
  67     else
  68         sendKey('Up');
  69     return input.value;
  70 }
  71
  72 function stepDownExplicitBounds(min, max, step, value, stepCount) {
  73     setInputAttributes(min, max, step, value);
  74     if (typeof stepCount !== 'undefined')
  75         if (stepCount < 0) {
  76             for (var i = 0; i < -stepCount; i++)
  77                 sendKey('Up');
  78         } else {
  79             for (var i = 0; i < stepCount; i++)
  80                 sendKey('Down');
  81         }
  82     else
  83         sendKey('Down');
  84     return input.value;
  85 }
  86
  87 debug('Number type');
  88 input.type = 'number';
  89 debug('Function arguments are (value, step, {min or max}, [stepCount]).');
  90 debug('Invalid value');
  91 shouldBe('stepUp("", null, null)', '"1"');
  92 shouldBe('stepDown("", null, null)', '"-1"');
  93 shouldBe('stepUp("", "any", null)', '"1"');
  94 shouldBe('stepDown("", "any", null)', '"-1"');
  95 shouldBe('stepUp("", "foo", null)', '"1"');
  96 shouldBe('stepDown("", "foo", null)', '"-1"');
  97 shouldBe('stepUp("foo", null, null)', '"1"');
  98 shouldBe('stepDown("foo", null, null)', '"-1"');
  99 shouldBe('stepUp("foo", "any", null)', '"1"');
 100 shouldBe('stepDown("foo", "any", null)', '"-1"');
 101 shouldBe('stepUp("foo", "foo", null)', '"1"');
 102 shouldBe('stepDown("foo", "foo", null)', '"-1"');
 103 debug('Normal cases');
 104 shouldBe('stepUp("0", null, null)', '"1"');
 105 shouldBe('stepUp("1", null, null, 2)', '"3"');
 106 shouldBe('stepUp("3", null, null, -1)', '"2"');
 107 shouldBe('stepDown("2", null, null)', '"1"');
 108 shouldBe('stepDown("1", null, null, 2)', '"-1"');
 109 shouldBe('stepDown("-1", null, null, -1)', '"0"');
 110 debug('Invalid step value');
 111 shouldBe('stepUp("0", "foo", null)', '"1"');
 112 shouldBe('stepUp("1", "0", null)', '"2"');
 113 shouldBe('stepUp("2", "-1", null)', '"3"');
 114 debug('Step=any');
 115 shouldBe('stepUp("0", "any", null)', '"1"');
 116 shouldBe('stepDown("0", "any", null)', '"-1"');
 117 debug('Step=any corner case');
 118 shouldBe('stepUpExplicitBounds("0", "100", "any", "1.5", "1")', '"2.5"');
 119 shouldBe('stepDownExplicitBounds("0", "100", "any", "1.5", "1")', '"0.5"');
 120 debug('Overflow/underflow');
 121 shouldBe('stepDown("1", "1", "0")', '"0"');
 122 shouldBe('stepDown("0", "1", "0")', '"0"');
 123 shouldBe('stepDown("1", "1", "0", 2)', '"0"');
 124 shouldBe('stepDown("1", "1.797693134862315e+308", "", 2)', '"-1.797693134862315e+308"');
 125 shouldBe('stepUp("-1", "1", "0")', '"0"');
 126 shouldBe('stepUp("0", "1", "0")', '"0"');
 127 shouldBe('stepUp("-1", "1", "0", 2)', '"0"');
 128 shouldBe('stepUp("1", "1.797693134862315e+308", "", 2)', '"1.797693134862315e+308"');
 129 debug('stepDown()/stepUp() for stepMismatch values');
 130 shouldBe('stepUp("1", "2", "")', '"2"');
 131 shouldBe('input.min = "0"; stepUp("9", "10", "")', '"10"');
 132 shouldBe('stepDown("19", "10", "0")', '"10"');
 133 shouldBe('stepUp("89", "10", "99")', '"90"');
 134 shouldBe('stepUp("7", "300", "")', '"300"');
 135 shouldBe('stepUp("-7", "300", "")', '"0"');
 136 shouldBe('stepDown("7", "300", "")', '"0"');
 137 shouldBe('stepDown("-7", "300", "")', '"-300"');
 138 debug('Huge value and small step');
 139 shouldBe('input.min = ""; stepUp("1e+308", "1", "", 999)', '"1e+308"');
 140 shouldBe('input.max = ""; stepDown("1e+308", "1", "", 999)', '"1e+308"');
 141 debug('Fractional numbers');
 142 shouldBe('input.min = ""; stepUp("0", "0.33333333333333333", "", 3)', '"1"');
 143 shouldBe('stepUp("1", "0.1", "", 10)', '"2"');
 144 shouldBe('input.min = "0"; stepUp("0", "0.003921568627450980", "1", 255)', '"1"');
 145 debug('Rounding');
 146 shouldBe('stepUp("5.005", "0.005", "", 2)', '"5.015"');
 147 shouldBe('stepUp("5.005", "0.005", "", 11)', '"5.06"');
 148 shouldBe('stepUp("5.005", "0.005", "", 12)', '"5.065"');
 149 shouldBe('stepUpExplicitBounds("4", "9", "0.005", "5.005", 2)', '"5.015"');
 150 shouldBe('stepUpExplicitBounds("4", "9", "0.005", "5.005", 11)', '"5.06"');
 151 shouldBe('stepUpExplicitBounds("4", "9", "0.005", "5.005", 12)', '"5.065"');
 152 shouldBe('stepUpExplicitBounds(-4, 4, 1, "")', '"1"');
 153 shouldBe('stepDownExplicitBounds(-4, 4, 1, "")', '"-1"');
 154 shouldBe('stepDownExplicitBounds(0, 4, 1, "")', '"0"');
 155 shouldBe('stepUpExplicitBounds(-4, 0, 1, "")', '"0"');
 156 shouldBe('stepDownExplicitBounds(1, 4, 1, "")', '"1"');
 157 shouldBe('stepUpExplicitBounds(1, 4, 1, "")', '"1"');
 158 shouldBe('stepDownExplicitBounds(-4, -1, 1, "")', '"-1"');
 159 shouldBe('stepUpExplicitBounds(-4, -1, 1, "")', '"-1"');
 160 shouldBe('stepUpExplicitBounds(-100, null, 3, "")', '"2"');
 161 shouldBe('stepDownExplicitBounds(-100, null, 3, "")', '"-1"');
 162 shouldBe('stepUpExplicitBounds(1, 4, 1, 0)', '"1"');
 163 shouldBe('stepDownExplicitBounds(1, 4, 1, 0)', '"0"');
 164 shouldBe('stepDownExplicitBounds(-4, -1, 1, 0)', '"-1"');
 165 shouldBe('stepUpExplicitBounds(-4, -1, 1, 0)', '"0"');
 166 shouldBe('stepUpExplicitBounds(-100, null, 3, 3)', '"5"');
 167 shouldBe('stepDownExplicitBounds(-100, null, 3, 3)', '"2"');
 168
 169 debug('');
 170 </script>
 171 </body>
 172 </html>