26 lines
993 B
HTML
26 lines
993 B
HTML
<!DOCTYPE html>
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<meta charset="utf-8" />
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<meta viewport="width=device-width, initial-scale=1" />
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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 type="module">
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import {
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getOppositeOrientation,
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makeCleanup,
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} from "./resources/orientation-utils.js";
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promise_test(async (t) => {
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t.add_cleanup(makeCleanup());
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await test_driver.bless("request full screen");
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await document.documentElement.requestFullscreen();
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const result = await Promise.race([
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new Promise((resolve) => {
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screen.orientation.addEventListener("change", resolve);
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}),
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screen.orientation.lock(getOppositeOrientation())
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]);
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assert_true(result instanceof Event, "Expected an instance of Event");
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}, "The 'change' event must fire before the [[orientationPendingPromise]] is resolved.");
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</script>
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