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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /fullscreen/rendering/fullscreen-pseudo-class-support.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>:fullscreen pseudo-class support</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
// This is a separate test so that support for :fullscreen can be detected
// without actually going fullscreen. If it were not supported, then this test
// would fail.
test(t => {
// precondition is to throw for unknown pseudo-classes:
assert_throws_dom("SyntaxError", () => document.body.matches(':halfscreen'));
assert_throws_dom("SyntaxError", () => document.querySelector(':halfscreen'));
// the actual test:
assert_false(document.body.matches(':fullscreen'));
assert_equals(document.querySelector(':fullscreen'), null);
});
</script>