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<!DOCTYPE html>
<meta charset="utf-8" />
<meta viewport="width=device-width, initial-scale=1" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<body></body>
<script type="module">
import {
getOppositeOrientation,
attachIframe,
makeCleanup,
} from "./resources/orientation-utils.js";
promise_test(async (t) => {
t.add_cleanup(makeCleanup());
await test_driver.bless("request full screen");
await document.documentElement.requestFullscreen();
const currentOrientation = screen.orientation.type;
await screen.orientation.lock(
getOppositeOrientation()
);
}, "fullscreen and orientation support");
promise_test(async (t) => {
const iframe = await attachIframe();
t.add_cleanup(makeCleanup(iframe));
const iframeWindow = iframe.contentWindow;
await test_driver.bless("request full screen");
await document.documentElement.requestFullscreen();
const currentOrientation = window.screen.orientation.type;
const lockPromise = iframeWindow.screen.orientation.lock(
getOppositeOrientation()
);
const fsExitPromise = document.exitFullscreen();
await promise_rejects_dom(
t,
"SecurityError",
iframeWindow.DOMException,
lockPromise
);
await fsExitPromise;
}, "Iframe can't itself know if it's parent is fullscreen when changing orientation");
</script>
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