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Tests/LibWeb: Import Fullscreen WPT tests
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github-actions[bot]
2026-02-23 18:45:39 +00:00
Author: https://github.com/Lubrsi Commit: https://github.com/LadybirdBrowser/ladybird/commit/8017f8a7ed3 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7649 Reviewed-by: https://github.com/shannonbooth ✅ Reviewed-by: https://github.com/tcl3
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<!DOCTYPE html>
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<title>:fullscreen pseudo-class</title>
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<script src="../../resources/testharness.js"></script>
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<script src="../../resources/testharnessreport.js"></script>
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<script src="../../resources/testdriver.js"></script>
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<script src="../../resources/testdriver-vendor.js"></script>
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<script src="../trusted-click.js"></script>
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<div><div></div></div>
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<script>
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promise_test(async (t) => {
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t.add_cleanup(() => {
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if (document.fullscreenElement) {
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return document.exitFullscreen();
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}
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});
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const outer = document.querySelector("div");
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const inner = outer.firstChild;
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// First request fullscreen for the outer element.
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await trusted_request(outer);
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await fullScreenChange();
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assert_equals(document.fullscreenElement, outer);
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assert_true(
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outer.matches(":fullscreen"),
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"outer:fullscreen in simple fullscreen"
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);
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assert_false(
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inner.matches(":fullscreen"),
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"inner:fullscreen in simple fullscreen"
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);
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// Then request fullscreen for the inner element.
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await trusted_request(inner);
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// Although inner is the fullscreen element, both elements match the
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// selector, as both have their fullscreen flag set.
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assert_equals(document.fullscreenElement, inner);
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assert_true(
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inner.matches(":fullscreen"),
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"inner:fullscreen in nested fullscreen"
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);
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assert_true(
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outer.matches(":fullscreen"),
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"outer:fullscreen in nested fullscreen"
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);
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});
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</script>
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