gecko-dev/dom/html/test/test_bug596511.html

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HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=596511
-->
<head>
<title>Test for Bug 596511</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<style>
select:valid { background-color: green; }
select:invalid { background-color: red; }
</style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=596511">Mozilla Bug 596511</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script>
/** Test for Bug 596511 **/
function checkNotSufferingFromBeingMissing(element, aTodo)
{
if (aTodo) {
ok = todo;
is = todo_is;
}
ok(!element.validity.valueMissing,
"Element should not suffer from value missing");
ok(element.validity.valid, "Element should be valid");
ok(element.checkValidity(), "Element should be valid");
is(element.validationMessage, "",
"Validation message should be the empty string");
ok(element.matches(":valid"), ":valid pseudo-class should apply");
is(window.getComputedStyle(element).getPropertyValue('background-color'),
"rgb(0, 128, 0)", ":valid pseudo-class should apply");
if (aTodo) {
ok = SimpleTest.ok;
is = SimpleTest.is;
}
}
function checkSufferingFromBeingMissing(element, aTodo)
{
if (aTodo) {
ok = todo;
is = todo_is;
}
ok(element.validity.valueMissing, "Element should suffer from value missing");
ok(!element.validity.valid, "Element should not be valid");
ok(!element.checkValidity(), "Element should not be valid");
is(element.validationMessage, "Please select an item in the list.",
"Validation message is wrong");
is(window.getComputedStyle(element).getPropertyValue('background-color'),
"rgb(255, 0, 0)", ":invalid pseudo-class should apply");
if (aTodo) {
ok = SimpleTest.ok;
is = SimpleTest.is;
}
}
function checkRequiredAttribute(element)
{
ok('required' in element, "select should have a required attribute");
ok(!element.required, "select required attribute should be disabled");
is(element.getAttribute('required'), null,
"select required attribute should be disabled");
element.required = true;
ok(element.required, "select required attribute should be enabled");
isnot(element.getAttribute('required'), null,
"select required attribute should be enabled");
element.removeAttribute('required');
element.setAttribute('required', '');
ok(element.required, "select required attribute should be enabled");
isnot(element.getAttribute('required'), null,
"select required attribute should be enabled");
element.removeAttribute('required');
ok(!element.required, "select required attribute should be disabled");
is(element.getAttribute('required'), null,
"select required attribute should be disabled");
}
function checkRequiredAndOptionalSelectors(element)
{
is(document.querySelector("select:optional"), element,
"select should be optional");
is(document.querySelector("select:required"), null,
"select shouldn't be required");
element.required = true;
is(document.querySelector("select:optional"), null,
"select shouldn't be optional");
is(document.querySelector("select:required"), element,
"select should be required");
element.required = false;
}
function checkInvalidWhenValueMissing(element)
{
checkNotSufferingFromBeingMissing(select);
element.required = true;
checkSufferingFromBeingMissing(select);
/**
* Non-multiple and size=1.
*/
select.appendChild(new Option());
checkSufferingFromBeingMissing(select);
// When removing the required attribute, element should not be invalid.
element.required = false;
checkNotSufferingFromBeingMissing(select);
element.required = true;
select.options[0].textContent = "foo";
// TODO: having that working would require us to add a mutation observer on
// the select element.
checkNotSufferingFromBeingMissing(select, true);
select.remove(0);
checkSufferingFromBeingMissing(select);
select.add(new Option("foo", "foo"), null);
checkNotSufferingFromBeingMissing(select);
select.add(new Option(), null);
checkNotSufferingFromBeingMissing(select);
// The placeholder label can only be the first option, so a selected empty second option is valid
select.options[1].selected = true;
checkNotSufferingFromBeingMissing(select);
select.selectedIndex = 0;
checkNotSufferingFromBeingMissing(select);
select.add(select.options[0]);
select.selectedIndex = 0;
checkSufferingFromBeingMissing(select);
select.remove(0);
checkNotSufferingFromBeingMissing(select);
select.options[0].disabled = true;
// TODO: having that working would require us to add a mutation observer on
// the select element.
checkSufferingFromBeingMissing(select, true);
select.options[0].disabled = false
select.remove(0);
checkSufferingFromBeingMissing(select);
var option = new Option("foo", "foo");
option.disabled = true;
select.add(option, null);
select.add(new Option("bar"), null);
option.selected = true;
checkNotSufferingFromBeingMissing(select);
select.remove(0);
select.remove(0);
/**
* Non-multiple and size > 1.
* Everything should be the same except moving the selection.
*/
select.multiple = false;
select.size = 4;
checkSufferingFromBeingMissing(select);
// Setting defaultSelected to true should not make the option selected
select.add(new Option("", "", true), null);
checkSufferingFromBeingMissing(select);
select.remove(0);
select.add(new Option("", "", true, true), null);
checkNotSufferingFromBeingMissing(select);
select.add(new Option("foo", "foo"), null);
select.remove(0);
checkSufferingFromBeingMissing(select);
select.options[0].selected = true;
checkNotSufferingFromBeingMissing(select);
select.remove(0);
/**
* Multiple, any size.
* We can select more than one element and at least needs a value.
*/
select.multiple = true;
select.size = 4;
checkSufferingFromBeingMissing(select);
select.add(new Option("", "", true), null);
checkSufferingFromBeingMissing(select);
select.add(new Option("", "", true), null);
checkSufferingFromBeingMissing(select);
select.add(new Option("foo"), null);
checkSufferingFromBeingMissing(select);
select.options[2].selected = true;
checkNotSufferingFromBeingMissing(select);
}
var select = document.createElement("select");
var content = document.getElementById('content');
content.appendChild(select);
checkRequiredAttribute(select);
checkRequiredAndOptionalSelectors(select);
checkInvalidWhenValueMissing(select);
</script>
</pre>
</body>
</html>