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54 lines
1.7 KiB
HTML
54 lines
1.7 KiB
HTML
<!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", resolve, once);
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document.addEventListener(
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"fullscreenchange",
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t.unreached_func("second event fired"),
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once
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);
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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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