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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1037519
-->
<head>
<title>Test for nsIDOMUtils::selectorMatchesElement</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<style type="text/css">
#foo,
#bar,
#foo::before {
color: red;
}
#foo {
div& {
outline: 1px solid gold;
}
}
#foo::before,
#bar::before {
content: 'foo-before';
color: green;
}
#foo::after,
#bar::after {
content: 'foo-after';
color: blue;
}
#foo::first-line,
#bar::first-line {
text-decoration: underline;
}
#foo::first-letter,
#bar::first-letter {
font-variant: small-caps;
}
</style>
</head>
<body>
<div id="foo">foo content</div>
<pre id="test">
<script type="application/javascript">
const InspectorUtils = SpecialPowers.InspectorUtils;
function do_test() {
var element = document.querySelector("#foo");
var elementRules = InspectorUtils.getCSSStyleRules(element);
var multiSelectorRule = elementRules[2];
is(multiSelectorRule.selectorText, `#foo, #bar, #foo::before`, "Got expected multi-selector rule");
is (multiSelectorRule.selectorMatchesElement(0, element), true,
"Matches #foo");
is (multiSelectorRule.selectorMatchesElement(1, element), false,
"Doesn't match #bar");
is (multiSelectorRule.selectorMatchesElement(0, element, ":bogus"), false,
"Doesn't match #foo with a bogus pseudo");
is (multiSelectorRule.selectorMatchesElement(2, element, ":bogus"), false,
"Doesn't match #foo::before with bogus pseudo");
is (multiSelectorRule.selectorMatchesElement(0, element, ":after"), false,
"Does match #foo::before with the :after pseudo");
var nestedRule = elementRules[4];
is(nestedRule.selectorText, `div&`, "Got expected nested rule");
is (nestedRule.selectorMatchesElement(0, element), true, "Matches div&");
checkPseudo(":before");
checkPseudo(":after");
checkPseudo(":first-letter");
checkPseudo(":first-line");
SimpleTest.finish();
function checkPseudo(pseudo) {
var rules = InspectorUtils.getCSSStyleRules(element, pseudo);
var rule = rules[rules.length - 1];
is (rule.selectorMatchesElement(0, element), false,
"Doesn't match without " + pseudo);
is (rule.selectorMatchesElement(1, element), false,
"Doesn't match without " + pseudo);
is (rule.selectorMatchesElement(0, element, pseudo), true,
"Matches on #foo" + pseudo);
is (rule.selectorMatchesElement(1, element, pseudo), false,
"Doesn't match on #bar" + pseudo);
}
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(do_test);
</script>
</pre>
</body>
</html>
|
