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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>Document#exitFullscreen() called twice</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 id="log"></div>
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<script>
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promise_test(async (t) => {
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const once = { once: true };
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const div = document.querySelector("div");
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document.onfullscreenerror = t.unreached_func("fullscreenerror event");
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await Promise.all([
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fullScreenChange(),
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trusted_request(div),
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]);
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// We are now in fullscreen.
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assert_equals(document.fullscreenElement, div);
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// Exit fullscreen twice.
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const firstPromise = document.exitFullscreen();
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assert_equals(
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document.fullscreenElement,
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div,
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"fullscreenElement after first exitFullscreen()"
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);
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const secondPromise = document.exitFullscreen();
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assert_equals(
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document.fullscreenElement,
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div,
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"fullscreenElement after second exitFullscreen()"
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);
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const eventChange = new Promise((resolve) => {
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document.addEventListener("fullscreenchange", () => {
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document.addEventListener("fullscreenchange", t.unreached_func("second event fired"), once);
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resolve();
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}, once);
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});
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await Promise.all([
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fullScreenChange,
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firstPromise,
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secondPromise,
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eventChange,
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]);
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assert_equals(document.fullscreenElement, null);
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});
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</script>
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