hidden_document.html

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /screen-orientation/hidden_document.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta name="timeout" content="long" />

<title>

  Prevent hidden documents from locking orientation

</title>

<link rel="help" href="https://github.com/w3c/screen-orientation/pull/232" />

<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>

<script src="/page-visibility/resources/window_state_context.js"></script>

<script type="module">

  import { makeCleanup, getOppositeOrientation } from "./resources/orientation-utils.js";

  promise_test(async (t) => {

    const { minimize, restore } = window_state_context(t);

    t.add_cleanup(restore);

    await minimize();

    assert_equals(document.visibilityState, "hidden", "Document must be hidden");

    await promise_rejects_dom(t, "SecurityError", screen.orientation.lock(getOppositeOrientation()));

  }, "hidden documents must reject went trying to call lock or unlock");

  promise_test(async (t) => {

    const { minimize, restore } = window_state_context(t);

    t.add_cleanup(restore);

    await minimize();

    assert_equals(document.visibilityState, "hidden", "Document must be hidden");

    assert_throws_dom("SecurityError", () => screen.orientation.unlock());

  }, "hidden documents must reject went trying to call unlock");

  promise_test(async (t) => {

    const { minimize, restore } = window_state_context(t);

    t.add_cleanup(makeCleanup());

    await test_driver.bless("request full screen");

    await document.documentElement.requestFullscreen();

    await screen.orientation.lock(getOppositeOrientation());

    await minimize();

    assert_equals(document.visibilityState, "hidden", "Document must be hidden");

    assert_throws_dom("SecurityError", () => screen.orientation.unlock());

  }, "hidden documents must not unlock the screen orientation");

  promise_test(async (t) => {

    const { minimize, restore } = window_state_context(t);

    t.add_cleanup(makeCleanup());

    await test_driver.bless("request full screen");

    await document.documentElement.requestFullscreen();

    await screen.orientation.lock(getOppositeOrientation());

    await minimize();

    assert_equals(document.visibilityState, "hidden");

    await promise_rejects_dom(t, "SecurityError", screen.orientation.lock(getOppositeOrientation()));

    // Maximize, now everything should work as expected.

    await restore();

    assert_equals(document.visibilityState, "visible");

    await test_driver.bless("request full screen");

    await document.documentElement.requestFullscreen();

    await screen.orientation.lock(getOppositeOrientation());

    screen.orientation.unlock();

  }, "Once maximized, a minimized window can lock or unlock the screen orientation again");

</script>