dialog-open-movebefore-setup.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/semantics/interactive-elements/the-dialog-element/dialog-open-movebefore-setup.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>moveBefore should not re-run dialog setup steps</title>

<link rel="author" title="Keith Cirkel" href="mailto:wpt@keithcirkel.co.uk" />

<link rel="help" href="https://github.com/whatwg/html/pull/11326#discussion_r2104180451" />

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/resources/testdriver.js"></script>

<script src="/resources/testdriver-actions.js"></script>

<script src="/resources/testdriver-vendor.js"></script>

<div id="new_parent"></div>

<dialog id="dialog" closedby="closerequest"></dialog>

<dialog id="second_dialog" closedby="closerequest"></dialog>

<script>

  promise_test(async t => {

    // Show both dialogs in a specific order so that `second_dialog` is at the

    // end of the "open dialog list".

    dialog.show();

    // Ensure a user activation happens between each dialog show so that they

    // are in discrete closewatcher groups.

    await test_driver.bless();

    assert_true(navigator.userActivation.isActive, "document now active");

    second_dialog.show();

    assert_true(dialog.open, "the first dialog is open");

    assert_true(dialog.open, "the second dialog is open");

    new_parent.moveBefore(dialog, null);

    assert_true(dialog.open, "the first dialog is still open");

    assert_true(dialog.open, "the second dialog is still open");

    // Press escape to close only the top-most open dialog:

    const ESC = '\uE00C';

    await test_driver.send_keys(document.documentElement, ESC);

    // The dialog that closed should have been second_dialog, because

    assert_true(dialog.open, "the first open dialog remains open");

    assert_false(second_dialog.open, "the second open dialog is now closed");

  }, "reparenting a dialog should not cause it to move in the open dialogs list");

</script>