зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1526700 [wpt PR 15267] - Add screen orientation test: fire event before promise is resolved, a=testonly
Automatic update from web-platform-tests Add screen orientation test: fire event before promise is resolved (#15267) -- wpt-commits: 8ed64687560332642c7b34ebd16011ae5b01d99a wpt-pr: 15267
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<!DOCTYPE html>
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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>
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promise_test(async t => {
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await test_driver.bless("request full screen", () => {
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return document.documentElement.requestFullscreen();
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});
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const promiseToChange = new Promise(resolve => {
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screen.orientation.addEventListener("change", resolve);
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});
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const result = await Promise.race([
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screen.orientation.lock("landscape"),
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promiseToChange
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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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