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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=657143
-->
<head>
<title>Test for Bug 657143</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<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=657143">Mozilla Bug 657143</a>
<p id="display"></p>
<style>
/* Ensure that there is at least one custom property on the root element's
computed style */
:root { --test: some value; }
</style>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for Bug 657143 **/
// Check ordering of CSS properties in nsComputedDOMStylePropertyList.h
// by splitting the getComputedStyle() into five sublists
// then cloning and sort()ing the lists and comparing with originals.
function isMozPrefixed(aProp) {
return aProp.startsWith("-moz");
}
function isNotMozPrefixed(aProp) {
return !isMozPrefixed(aProp);
}
function isWebkitPrefixed(aProp) {
return aProp.startsWith("-webkit");
}
function isNotWebkitPrefixed(aProp) {
return !isWebkitPrefixed(aProp);
}
function isCustom(aProp) {
return aProp.startsWith("--");
}
function isNotCustom(aProp) {
return !isCustom(aProp);
}
var styleList = window.getComputedStyle(document.documentElement);
cssA = [], mozA = [], webkitA = [], customA = [];
// Partition the list of property names into four lists:
//
// cssA: regular properties
// mozA: '-moz-' prefixed properties
// customA: '--' prefixed custom properties
var list = cssA;
for (var i = 0, j = styleList.length; i < j; i++) {
var prop = styleList.item(i);
switch (list) {
case cssA:
if (isMozPrefixed(prop)) {
list = mozA;
}
// fall through
case mozA:
if (isWebkitPrefixed(prop)) {
list = webkitA;
}
// fall through
case webkitA:
if (isCustom(prop)) {
list = customA;
}
// fall through
}
list.push(prop);
}
var cssB = cssA.slice(0).sort(),
mozB = mozA.slice(0).sort(),
webkitB = webkitA.slice(0).sort();
is(cssA.toString(), cssB.toString(), 'CSS property list should be alphabetical');
is(mozA.toString(), mozB.toString(), 'Experimental -moz- CSS property list should be alphabetical');
is(webkitA.toString(), webkitB.toString(), 'Compatible -webkit- CSS property list should be alphabetical');
// We don't test that the custom property list is sorted, as the CSSOM
// specification does not yet require it, and we don't return them
// in sorted order.
ok(!cssA.find(isWebkitPrefixed), 'Compatible -webkit- CSS properties should not be in the mature CSS property list');
ok(!cssA.find(isMozPrefixed), 'Experimental -moz- CSS properties should not be in the mature CSS property list');
ok(!cssA.find(isCustom), 'Custom CSS properties should not be in the mature CSS property list');
ok(!mozA.find(isWebkitPrefixed), 'Compatible -webkit- CSS properties should not be in the experimental -moz- CSS '
+ 'property list');
ok(!mozA.find(isNotMozPrefixed), 'Experimental -moz- CSS property list should not contain non -moz- prefixed '
+ 'CSS properties');
ok(!mozA.find(isCustom), 'Custom CSS properties should not be in the experimental -moz- CSS property list');
ok(!webkitA.find(isNotWebkitPrefixed), 'Compatible -webkit- CSS properties should not contain non -webkit- prefixed '
+ 'CSS properties');
ok(!webkitA.find(isMozPrefixed), 'Experimental -moz- CSS properties should not be in the compatible -webkit- CSS '
+ 'property list');
ok(!webkitA.find(isCustom), 'Custom CSS properties should not be in the compatible -webkit- CSS property list');
ok(!customA.find(isNotCustom), 'Non-custom CSS properties should not be in the custom property list');
</script>
</pre>
</body>
</html>
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