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Test Info:
- Manifest: dom/html/test/forms/mochitest.toml
<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<title>Test for <meter></title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=657938">Mozilla Bug 657938</a>
<p id="display"></p>
<iframe name="submit_frame" style="visibility: hidden;"></iframe>
<div id="content" style="visibility: hidden;">
<form id='f' method='get' target='submit_frame' action='foo'>
<meter id='m' value=0.5></meter>
</form>
</div>
<pre id="test">
<script type="application/javascript">
/** Test for <meter> **/
function checkFormIDLAttribute(aElement)
{
is('form' in aElement, false, "<meter> shouldn't have a form attribute");
}
function checkAttribute(aElement, aAttribute, aNewValue, aExpectedValueForIDL)
{
var expectedValueForIDL = aNewValue;
var expectedValueForContent = String(aNewValue);
if (aExpectedValueForIDL !== undefined) {
expectedValueForIDL = aExpectedValueForIDL;
}
if (aNewValue != null) {
aElement.setAttribute(aAttribute, aNewValue);
is(aElement.getAttribute(aAttribute), expectedValueForContent,
aAttribute + " content attribute should be " + expectedValueForContent);
is(aElement[aAttribute], expectedValueForIDL,
aAttribute + " IDL attribute should be " + expectedValueForIDL);
if (parseFloat(aNewValue) == aNewValue) {
aElement[aAttribute] = aNewValue;
is(aElement.getAttribute(aAttribute), expectedValueForContent,
aAttribute + " content attribute should be " + expectedValueForContent);
is(aElement[aAttribute], parseFloat(expectedValueForIDL),
aAttribute + " IDL attribute should be " + parseFloat(expectedValueForIDL));
}
} else {
aElement.removeAttribute(aAttribute);
is(aElement.getAttribute(aAttribute), null,
aAttribute + " content attribute should be null");
is(aElement[aAttribute], expectedValueForIDL,
aAttribute + " IDL attribute should be " + expectedValueForIDL);
}
}
function checkValueAttribute()
{
var tests = [
// value has to be a valid float, its default value is 0.0 otherwise.
[ null, 0.0 ],
[ 'foo', 0.0 ],
// If value < 0.0, 0.0 is used instead.
[ -1.0, 0.0 ],
// If value >= max, max is used instead (max default value is 1.0).
[ 2.0, 1.0 ],
[ 1.0, 0.5, 0.5 ],
[ 10.0, 5.0, 5.0 ],
[ 13.37, 13.37, 42.0 ],
// If value <= min, min is used instead (min default value is 0.0).
[ 0.5, 1.0, 10.0 ,1.0 ],
[ 10.0, 13.37, 42.0 , 13.37],
// Regular reflection.
[ 0.0 ],
[ 0.5 ],
[ 1.0 ],
// Check double-precision value.
[ 0.234567898765432 ],
];
var element = document.createElement('meter');
for (var test of tests) {
if (test[2]) {
element.setAttribute('max', test[2]);
}
if (test[3]) {
element.setAttribute('min', test[3]);
}
checkAttribute(element, 'value', test[0], test[1]);
element.removeAttribute('max');
element.removeAttribute('min');
}
}
function checkMinAttribute()
{
var tests = [
// min default value is 0.0.
[ null, 0.0 ],
[ 'foo', 0.0 ],
// Regular reflection.
[ 0.5 ],
[ 1.0 ],
[ 2.0 ],
// Check double-precision value.
[ 0.234567898765432 ],
];
var element = document.createElement('meter');
for (var test of tests) {
checkAttribute(element, 'min', test[0], test[1]);
}
}
function checkMaxAttribute()
{
var tests = [
// max default value is 1.0.
[ null, 1.0 ],
[ 'foo', 1.0 ],
// If value <= min, min is used instead.
[ -1.0, 0.0 ],
[ 0.0, 0.5, 0.5 ],
[ 10.0, 15.0, 15.0 ],
[ 42, 42, 13.37 ],
// Regular reflection.
[ 0.5 ],
[ 1.0 ],
[ 2.0 ],
// Check double-precision value.
[ 0.234567898765432 ],
];
var element = document.createElement('meter');
for (var test of tests) {
if (test[2]) {
element.setAttribute('min', test[2]);
}
checkAttribute(element, 'max', test[0], test[1]);
element.removeAttribute('min');
}
}
function checkLowAttribute()
{
var tests = [
// low default value is min (min default value is 0.0).
[ null, 0.0 ],
[ 'foo', 0.0 ],
[ 'foo', 1.0, 1.0],
// If low <= min, min is used instead.
[ -1.0, 0.0 ],
[ 0.0, 0.5, 0.5 ],
[ 10.0, 15.0, 15.0, 42.0 ],
[ 42.0, 42.0, 13.37, 100.0 ],
// If low >= max, max is used instead.
[ 2.0, 1.0 ],
[ 10.0, 5.0 , 0.5, 5.0 ],
[ 13.37, 13.37, 0.0, 42.0 ],
// Regular reflection.
[ 0.0 ],
[ 0.5 ],
[ 1.0 ],
// Check double-precision value.
[ 0.234567898765432 ],
];
var element = document.createElement('meter');
for (var test of tests) {
if (test[2]) {
element.setAttribute('min', test[2]);
}
if (test[3]) {
element.setAttribute('max', test[3]);
}
checkAttribute(element, 'low', test[0], test[1]);
element.removeAttribute('min');
element.removeAttribute('max');
}
}
function checkHighAttribute()
{
var tests = [
// high default value is max (max default value is 1.0).
[ null, 1.0 ],
[ 'foo', 1.0 ],
[ 'foo', 42.0, 0.0, 42.0],
// If high <= min, min is used instead.
[ -1.0, 0.0 ],
[ 0.0, 0.5, 0.5 ],
[ 10.0, 15.0, 15.0, 42.0 ],
[ 42.0, 42.0, 13.37, 100.0 ],
// If high >= max, max is used instead.
[ 2.0, 1.0 ],
[ 10.0, 5.0 , 0.5, 5.0 ],
[ 13.37, 13.37, 0.0, 42.0 ],
// Regular reflection.
[ 0.0 ],
[ 0.5 ],
[ 1.0 ],
// Check double-precision value.
[ 0.234567898765432 ],
];
var element = document.createElement('meter');
for (var test of tests) {
if (test[2]) {
element.setAttribute('min', test[2]);
}
if (test[3]) {
element.setAttribute('max', test[3]);
}
checkAttribute(element, 'high', test[0], test[1]);
element.removeAttribute('min');
element.removeAttribute('max');
}
}
function checkOptimumAttribute()
{
var tests = [
// opt default value is (max-min)/2 (thus default value is 0.5).
[ null, 0.5 ],
[ 'foo', 0.5 ],
[ 'foo', 2.0, 1.0, 3.0],
// If opt <= min, min is used instead.
[ -1.0, 0.0 ],
[ 0.0, 0.5, 0.5 ],
[ 10.0, 15.0, 15.0, 42.0 ],
[ 42.0, 42.0, 13.37, 100.0 ],
// If opt >= max, max is used instead.
[ 2.0, 1.0 ],
[ 10.0, 5.0 , 0.5, 5.0 ],
[ 13.37, 13.37, 0.0, 42.0 ],
// Regular reflection.
[ 0.0 ],
[ 0.5 ],
[ 1.0 ],
// Check double-precision value.
[ 0.234567898765432 ],
];
var element = document.createElement('meter');
for (var test of tests) {
if (test[2]) {
element.setAttribute('min', test[2]);
}
if (test[3]) {
element.setAttribute('max', test[3]);
}
checkAttribute(element, 'optimum', test[0], test[1]);
element.removeAttribute('min');
element.removeAttribute('max');
}
}
function checkFormListedElement(aElement)
{
is(document.forms[0].elements.length, 0, "the form should have no element");
}
function checkLabelable(aElement)
{
var content = document.getElementById('content');
var label = document.createElement('label');
content.appendChild(label);
label.appendChild(aElement);
is(label.control, aElement, "meter should be labelable");
// Cleaning-up.
content.removeChild(label);
content.appendChild(aElement);
}
function checkNotResetableAndFormSubmission(aElement)
{
// Creating an input element to check the submission worked.
var form = document.forms[0];
var input = document.createElement('input');
input.name = 'a';
input.value = 'tulip';
form.appendChild(input);
// Setting values.
aElement.value = 42.0;
aElement.max = 100.0;
document.getElementsByName('submit_frame')[0].addEventListener("load", function() {
is(frames.submit_frame.location.href,
`${location.origin}/tests/dom/html/test/forms/foo?a=tulip`,
"The meter element value should not be submitted");
checkNotResetable();
}, {once: true});
form.submit();
}
function checkNotResetable()
{
// Try to reset the form.
var form = document.forms[0];
var element = document.getElementById('m');
element.value = 3.0;
element.max = 42.0;
form.reset();
SimpleTest.executeSoon(function() {
is(element.value, 3.0, "meter.value should not have changed");
is(element.max, 42.0, "meter.max should not have changed");
SimpleTest.finish();
});
}
SimpleTest.waitForExplicitFinish();
var m = document.getElementById('m');
ok(m instanceof HTMLMeterElement,
"The meter element should be instance of HTMLMeterElement");
is(m.constructor, HTMLMeterElement,
"The meter element constructor should be HTMLMeterElement");
// There is no such attribute.
checkFormIDLAttribute(m);
checkValueAttribute();
checkMinAttribute();
checkMaxAttribute();
checkLowAttribute();
checkHighAttribute();
checkOptimumAttribute();
checkFormListedElement(m);
checkLabelable(m);
checkNotResetableAndFormSubmission(m);
</script>
</pre>
</body>
</html>