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<!doctype html>
<meta charset=utf-8>
<title>Matching of child-indexed pseudo-classes</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:ecoal95@gmail.com">
<link rel="help" href="https://drafts.csswg.org/selectors-4/#child-index">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
test(function() {
var check = function(element, selectors) {
for (var i = 0; i < selectors.length; ++i) {
var selector = selectors[i][0];
var expected = selectors[i][1];
assert_equals(expected, element.matches(selector),
"Expected " + element.tagName + " element to " +
(expected ? "match " : "not match ") + selector);
}
}
var rootOfSubtreeSelectors = [
[ ":first-child", true ],
[ ":last-child", true ],
[ ":first-of-type", true ],
[ ":last-of-type", true ],
[ ":nth-child(1)", true ],
[ ":nth-child(n)", true ],
[ ":nth-last-child(1)", true ],
[ ":nth-last-child(n)", true ],
[ ":nth-of-type(1)", true ],
[ ":nth-of-type(n)", true ],
[ ":nth-last-of-type(1)", true ],
[ ":nth-last-of-type(n)", true ],
[ ":nth-child(2)", false ],
[ ":nth-last-child(2)", false],
[ ":nth-of-type(2)", false ],
[ ":nth-last-of-type(2)", false],
];
check(document.documentElement, rootOfSubtreeSelectors);
check(document.createElement('div'), rootOfSubtreeSelectors);
}, "child-indexed pseudo-classes should match without a parent")
</script>
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