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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=783607
-->
<head>
<title>Test rounding behaviour for <input type='number'></title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<meta charset="UTF-8">
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=783607">Mozilla Bug 783607</a>
<p id="display"></p>
<div id="content">
<input id=number type=number value=0 step=0.01 max=1>
</div>
<pre id="test">
<script type="application/javascript">
/**
* Test for Bug 783607.
* This test checks that when <input type=number> has fractional step values,
* the values that a content author will see in their script will not have
* ugly rounding errors.
**/
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
test();
SimpleTest.finish();
});
/**
* We can _NOT_ generate these values by looping and simply incrementing a
* variable by 0.01 and stringifying it, since we'll end up with strings like
* "0.060000000000000005" due to the inability of binary floating point numbers
* to accurately represent decimal values.
*/
var stepVals = [
"0", "0.01", "0.02", "0.03", "0.04", "0.05", "0.06", "0.07", "0.08", "0.09",
"0.1", "0.11", "0.12", "0.13", "0.14", "0.15", "0.16", "0.17", "0.18", "0.19",
"0.2", "0.21", "0.22", "0.23", "0.24", "0.25", "0.26", "0.27", "0.28", "0.29",
"0.3", "0.31", "0.32", "0.33", "0.34", "0.35", "0.36", "0.37", "0.38", "0.39",
"0.4", "0.41", "0.42", "0.43", "0.44", "0.45", "0.46", "0.47", "0.48", "0.49",
"0.5", "0.51", "0.52", "0.53", "0.54", "0.55", "0.56", "0.57", "0.58", "0.59",
"0.6", "0.61", "0.62", "0.63", "0.64", "0.65", "0.66", "0.67", "0.68", "0.69",
"0.7", "0.71", "0.72", "0.73", "0.74", "0.75", "0.76", "0.77", "0.78", "0.79",
"0.8", "0.81", "0.82", "0.83", "0.84", "0.85", "0.86", "0.87", "0.88", "0.89",
"0.9", "0.91", "0.92", "0.93", "0.94", "0.95", "0.96", "0.97", "0.98", "0.99",
"1"
];
var pgUpDnVals = [
"0", "0.1", "0.2", "0.3", "0.4", "0.5", "0.6", "0.7", "0.8", "0.9", "1"
];
function test() {
var elem = document.getElementById("number");
elem.focus();
/**
* TODO:
* When <input type='number'> widget will have a widge we should test PAGE_UP,
* PAGE_DOWN, UP and DOWN keys. For the moment, there is no widget so those
* keys do not have any effect.
* The tests using those keys as marked as todo_is() hoping that at least part
* of them will fail when the widget will be implemented.
*/
/* No other implementations implement this, so we don't either, for now.
Seems like it might be nice though.
for (var i = 1; i < pgUpDnVals.length; ++i) {
synthesizeKey("KEY_PageUp");
todo_is(elem.value, pgUpDnVals[i], "Test KEY_PageUp");
is(elem.validity.valid, true, "Check element is valid for value " + pgUpDnVals[i]);
}
for (var i = pgUpDnVals.length - 2; i >= 0; --i) {
synthesizeKey("KEY_PageDown");
// TODO: this condition is there because the todo_is() below would pass otherwise.
if (stepVals[i] == 0) { continue; }
todo_is(elem.value, pgUpDnVals[i], "Test KEY_PageDown");
is(elem.validity.valid, true, "Check element is valid for value " + pgUpDnVals[i]);
}
*/
for (var i = 1; i < stepVals.length; ++i) {
synthesizeKey("KEY_ArrowUp");
is(elem.value, stepVals[i], "Test KEY_ArrowUp");
is(elem.validity.valid, true, "Check element is valid for value " + stepVals[i]);
}
for (var i = stepVals.length - 2; i >= 0; --i) {
synthesizeKey("KEY_ArrowDown");
// TODO: this condition is there because the todo_is() below would pass otherwise.
if (stepVals[i] == 0) { continue; }
is(elem.value, stepVals[i], "Test KEY_ArrowDown");
is(elem.validity.valid, true, "Check element is valid for value " + stepVals[i]);
}
for (var i = 1; i < stepVals.length; ++i) {
elem.stepUp();
is(elem.value, stepVals[i], "Test stepUp()");
is(elem.validity.valid, true, "Check element is valid for value " + stepVals[i]);
}
for (var i = stepVals.length - 2; i >= 0; --i) {
elem.stepDown();
is(elem.value, stepVals[i], "Test stepDown()");
is(elem.validity.valid, true, "Check element is valid for value " + stepVals[i]);
}
}
</script>
</pre>
</body>
</html>
|
