45 lines
1.7 KiB
HTML
45 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<title>Remove the first element on the fullscreen element stack</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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<div id="first">
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<div id="last"></div>
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</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 first = document.getElementById("first");
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const [, firstEvent] = await Promise.all([
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trusted_request(first),
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fullScreenChange(),
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]);
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assert_equals(document.fullscreenElement, first, "fullscreen element after first request");
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assert_equals(firstEvent.target, first, "first fullscreenchange event target");
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const last = document.getElementById("last");
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const [, secondEvent] = await Promise.all([
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trusted_request(last),
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fullScreenChange(),
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]);
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assert_equals(document.fullscreenElement, last, "fullscreen element after second request");
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assert_equals(secondEvent.target, last, "second fullscreenchange event target");
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first.remove();
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// Both /first/ and /last/ were removed from the top layer and
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// thus the fullscreen element synchronously becomes null.
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assert_equals(document.fullscreenElement, null, "fullscreen element immediately after removal");
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const thirdEvent = await fullScreenChange();
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assert_equals(document.fullscreenElement, null, "fullscreen element after third event");
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assert_equals(thirdEvent.target, document, "third fullscreenchange event target");
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});
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</script>
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