Files
servo/tests/wpt/css-tests/cssom-1_dev/html/medialist-interfaces-002.htm

80 lines
2.8 KiB
HTML

<!DOCTYPE html>
<html><head>
<title>CSS Test: CSSOM MediaList Interfaces</title>
<link href="mailto:chapman.shoop@gmail.com" rel="author" title="Chapman Shoop">
<link href="mailto:ms2ger@gmail.com" rel="reviewer" title="Ms2ger"> <!-- 2012-06-17 -->
<link href="http://www.w3.org/TR/cssom-1/#the-medialist-interface" rel="help">
<meta content="dom" name="flags">
<meta content="MediaList object has deleteMedium method and it functions properly." name="assert">
<script src="/resources/testharness.js" type="text/javascript"></script>
<script src="/resources/testharnessreport.js" type="text/javascript"></script>
<script id="metadata_cache">/*
{
"deleteMedium_called_without_argument": { "assert": "MediaList.deleteMedium called without argument throws error." },
"deleteMedium_removes_correct_medium": { "assert": "MediaList.deleteMedium removes correct medium and updates corresponding properties." },
"deleteMedium_no_matching_medium_to_remove": { "assert": "MediaList.deleteMedium doesn't modify MediaList when medium is not found." }
}
*/</script>
</head>
<body>
<noscript>Test not run - javascript required.</noscript>
<div id="log"></div>
<script type="text/javascript">
function setup() {
// Clean out any old style element
var old_style_el = document.getElementById('test_style');
if (old_style_el) {
document.head.removeChild(old_style_el);
}
// Create a fresh style element and return its media attribute
var style_el = document.createElement('style');
style_el.setAttribute('id', 'test_style');
document.head.appendChild(style_el);
return style_el.sheet.media;
}
</script>
<script type="text/javascript">
test(function() {
media_list = setup();
assert_throws(null, function() { media_list.deleteMedium(); });
}, "deleteMedium_called_without_argument",
{ assert: "MediaList.deleteMedium called without argument throws error." });
test(function() {
media_list = setup();
media_list.appendMedium("screen");
media_list.appendMedium("all");
media_list.deleteMedium("screen");
assert_equals(media_list.length, 1);
assert_equals(media_list.item(0), "all");
assert_equals(media_list.mediaText, "all");
}, "deleteMedium_removes_correct_medium",
{ assert: "MediaList.deleteMedium removes correct medium and updates corresponding properties." });
test(function() {
media_list = setup();
media_list.appendMedium("all");
media_list.deleteMedium("screen");
assert_equals(media_list.length, 1);
assert_equals(media_list.item(0), "all");
assert_equals(media_list.mediaText, "all");
}, "deleteMedium_no_matching_medium_to_remove",
{ assert: "MediaList.deleteMedium doesn't modify MediaList when medium is not found." });
</script>
</body></html>