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25 lines
887 B
HTML
25 lines
887 B
HTML
<!DOCTYPE html>
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<title>Element#requestFullscreen() for dialog element</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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<div id="log"></div>
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<dialog></dialog>
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<script>
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promise_test(async (t) => {
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const dialog = document.querySelector("dialog");
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assert_true(dialog instanceof HTMLDialogElement);
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document.onfullscreenchange = t.unreached_func(
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"fullscreenchange event"
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);
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const errorEventPromise = new Promise(
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(resolve) => (document.onfullscreenerror = resolve)
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);
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Promise.all([
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promise_rejects_js(t, TypeError, dialog.requestFullscreen()),
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errorEventPromise,
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]);
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});
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</script>
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