<!
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.getMatchingCSSRules(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.getMatchingCSSRules(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>
