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<!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>
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