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<meta charset="utf-8">
<title>Test for the :active and :hover quirk</title>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
<style type="text/css">
/* Should apply to all elements: */
#content :hover:first-of-type {
color: rgb(255, 0, 0);
#content :-moz-any(:hover) {
text-transform: lowercase;
#content :hover::after {
content: "any element";
#content :hover:first-of-type .child::after {
content: "any child";
#content .parent .child::after {
content: "wrong" !important;
#content .parent:hover .child::after {
content: "any child" !important;
/* Should apply only to links: */
#content :hover {
color: rgb(0, 255, 0) !important;
text-transform: uppercase !important;
#content :hover .child::after {
content: "link child" !important;
#dynamic-test {
width: 100px;
height: 100px;
background: green;
#dynamic-test > * {
width: 100%;
height: 100%;
background: red;
#dynamic-test:hover > * {
background: rgb(0, 255, 0);
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script type="application/javascript">
/** Test for the :active and :hover quirk **/
function test(element, isLink) {
if (!isLink)
var styles = {color: "rgb(255, 0, 0)", textTransform: "lowercase",
childContent: '"any child"'};
var styles = {color: "rgb(0, 255, 0)", textTransform: "uppercase",
childContent: '"link child"'};
// Trigger the :hover pseudo-class.
synthesizeMouseAtCenter(element, {type: "mousemove"});
var computedStyle = getComputedStyle(element);
is(computedStyle.color, styles.color, "Unexpected color value");
is(computedStyle.textTransform, styles.textTransform,
"Unexpected text-transform value");
computedStyle = getComputedStyle(element, "::after");
is(computedStyle.content, '"any element"',
"Unexpected pseudo-element content");
computedStyle = getComputedStyle(
element.getElementsByClassName("child")[0], "::after");
is(computedStyle.content, styles.childContent,
"Unexpected pseudo-element content for child");
SimpleTest.waitForFocus(function() {
test(document.getElementById("span"), false);
test(document.getElementById("label"), false);
test(document.getElementById("link"), true);
test(document.getElementById("div"), false);
// Dynamic change test.
// Trigger the :hover pseudo-class.
synthesizeMouseAtCenter(document.getElementById('dynamic-test'), {type: "mousemove"});
"rgb(0, 255, 0)",
"Dynamic change should invalidate properly");
<a target="_blank" href="">Mozilla Bug 783213</a>
<p id="display"></p>
<div id="dynamic-test">
<div id="should-be-green-on-hover"></div>
<div id="content">
<span id="span">Span<span class="child"></span></span><br>
<label id="label">Label<span class="child"></span></label><br>
<a id="link" href="#">Link<span class="child"></span></a><br>
<div id="div" class="parent">Div <span><span class="child"></span></span></div><br>
<pre id="test"></pre>