blob: 2dbf2fcd499a602f629a382583f5fca01d675cb2 [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<script src="../../../resources/js-test-pre.js"></script>
</head>
<body>
<p id="description"></p>
<div id="console"></div>
<script>
description('Check stepUp() and stepDown() bahevior for range type.');
var input = document.createElement('input');
var invalidStateErr = '"Error: InvalidStateError: DOM Exception 11"';
function setInputAttributes(min, max, step, value) {
input.min = min;
input.max = max;
input.step = step;
input.value = value;
}
function stepUp(value, step, max, optionalStepCount) {
setInputAttributes(null, max, step, value);
if (typeof optionalStepCount != "undefined")
input.stepUp(optionalStepCount);
else
input.stepUp();
return input.value;
}
function stepDown(value, step, min, optionalStepCount) {
setInputAttributes(min, null, step, value);
if (typeof optionalStepCount != "undefined")
input.stepDown(optionalStepCount);
else
input.stepDown();
return input.value;
}
// Range value gets automatically shifted based on bounds,
// So always set the min and max first to get expected behavior
function stepUpExplicitBounds(min, max, step, value, stepCount) {
setInputAttributes(min, max, step, value);
if (typeof stepCount !== 'undefined')
input.stepUp(stepCount);
else
input.stepUp();
return input.value;
}
function stepDownExplicitBounds(min, max, step, value, stepCount) {
setInputAttributes(min, max, step, value);
if (typeof stepCount !== 'undefined')
input.stepDown(stepCount);
else
input.stepDown();
return input.value;
}
input.type = 'range';
debug('function arguments are (min, max, step, value, [stepCount])');
debug('Using the default values');
shouldBe('stepUpExplicitBounds(null, null, null, "")', '"51"');
shouldBe('stepDownExplicitBounds(null, null, null, "")', '"49"');
debug('Non-number arguments (stepCount)');
shouldBe('stepUpExplicitBounds(null, null, null, "0", "0")', '"0"');
shouldBe('stepDownExplicitBounds(null, null, null, "0", "0")', '"0"');
shouldBe('stepUpExplicitBounds(null, null, null, "0", "foo")', '"0"');
shouldBe('stepDownExplicitBounds(null, null, null, "0", "foo")', '"0"');
shouldBe('stepUpExplicitBounds(null, null, null, "0", null)', '"0"');
shouldBe('stepDownExplicitBounds(null, null, null, "0", null)', '"0"');
debug('Normal cases');
shouldBe('stepUpExplicitBounds(null, null, null, "0")', '"1"');
shouldBe('stepUpExplicitBounds(null, null, null, "1", 2)', '"3"');
shouldBe('stepUpExplicitBounds(null, null, null, "3", -1)', '"2"');
shouldBe('stepDownExplicitBounds("-100", null, null, "2")', '"1"');
shouldBe('stepDownExplicitBounds("-100", null, null, "1", 2)', '"-1"');
shouldBe('stepDownExplicitBounds("-100", null, null, "-1", -1)', '"0"');
debug('Extra arguments');
shouldBe('setInputAttributes(null, null, null, "0"); input.stepUp(1,2); input.value', '"1"');
shouldBe('setInputAttributes(null, null, null, "1"); input.stepDown(1,3); input.value', '"0"');
debug('Invalid step value');
shouldBe('stepUpExplicitBounds(null, null, "foo", "0")', '"1"');
shouldBe('stepUpExplicitBounds(null, null, "0", "1")', '"2"');
shouldBe('stepUpExplicitBounds(null, null, "-1", "2")', '"3"');
shouldBe('stepDownExplicitBounds(null, null, "foo", "1")', '"0"');
shouldBe('stepDownExplicitBounds(null, null, "0", "2")', '"1"');
shouldBe('stepDownExplicitBounds(null, null, "-1", "3")', '"2"');
debug('Step=any');
shouldThrow('stepUpExplicitBounds(null, null, "any", "1")', invalidStateErr);
shouldThrow('stepDownExplicitBounds(null, null, "any", "1")', invalidStateErr);
debug('Overflow/underflow');
shouldBe('stepUpExplicitBounds(null, "100", "1", "99")', '"100"');
shouldThrow('stepUpExplicitBounds(null, "100", "1", "100")', invalidStateErr);
shouldBe('input.value', '"100"');
shouldThrow('stepUpExplicitBounds(null, "100", "1", "99", "2")', invalidStateErr);
shouldBe('input.value', '"99"');
shouldBe('stepDownExplicitBounds("0", null, "1", "1")', '"0"');
shouldThrow('stepDownExplicitBounds("0", null, "1", "0")', invalidStateErr);
shouldBe('input.value', '"0"');
shouldThrow('stepDownExplicitBounds("0", null, "1", "1", "2")', invalidStateErr);
shouldBe('input.value', '"1"');
shouldThrow('stepDownExplicitBounds(null, null, "3.40282346e+38", "1", "2")', invalidStateErr);
shouldBe('stepUpExplicitBounds(-100, 0, 1, -1)', '"0"');
shouldThrow('stepUpExplicitBounds(null, 0, 1, 0)', invalidStateErr);
shouldThrow('stepUpExplicitBounds(-100, 0, 1, -1, 2)', invalidStateErr);
shouldBe('input.value', '"-1"');
shouldThrow('stepUpExplicitBounds(null, null, "3.40282346e+38", "1", "2")', invalidStateErr);
debug('stepDown()/stepUp() for stepMismatch values');
shouldBe('stepUpExplicitBounds(null, null, 2, 1)', '"4"');
shouldBe('input.stepDown(); input.value', '"2"');
shouldBe('stepUpExplicitBounds(0, null, 10, 9, 9)', '"100"');
shouldBe('stepDownExplicitBounds(0, null, 10, 19)', '"10"');
debug('value + step is <= max, but rounded result would be > max.');
shouldThrow('stepUpExplicitBounds(null, 99, 10, 89)', invalidStateErr);
debug('Huge value and small step');
shouldBe('stepUpExplicitBounds(0, 1e38, 1, 1e38, 999999)', '"1e+38"');
shouldBe('stepDownExplicitBounds(0, 1e38, 1, 1e38, 999999)', '"1e+38"');
debug('Fractional numbers');
shouldBe('stepUpExplicitBounds(null, null, 0.33333333333333333, 0, 3)', '"1"');
shouldBe('stepUpExplicitBounds(null, null, 0.1, 1)', '"1.1"');
shouldBe('stepUpExplicitBounds(null, null, 0.1, 1, 8)', '"1.8"');
shouldBe('stepUpExplicitBounds(null, null, 0.1, 1, 10)', '"2"');
shouldBe('input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.value', '"3"');
shouldBe('stepUpExplicitBounds(0, 1, 0.003921568627450980, 0, 255)', '"1"');
shouldBe('for (var i = 0; i < 255; i++) { input.stepDown(); }; input.value', '"0"');
shouldBe('stepDownExplicitBounds(null, null, 0.1, 1, 8)', '"0.2"');
shouldBe('stepDownExplicitBounds(null, null, 0.1, 1)', '"0.9"');
</script>
<script src="../../../resources/js-test-post.js"></script>
</body>
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