File: dialog-closedby-start-open.html

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<!doctype html>
<meta charset="utf-8">
<meta name="timeout" content="long">
<link rel=help href="https://html.spec.whatwg.org/multipage/interactive-elements.html#dialog-light-dismiss">
<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>
<script src="../../popovers/resources/popover-utils.js"></script>

<dialog id=test1 open closedby="any"></dialog>

<script>
const ESC = '\uE00C';
promise_test(async (t) => {
  const dialog = document.querySelector('dialog#test1');
  assert_true(dialog.open);
  assert_true(dialog.matches(':open'));
  await new test_driver.send_keys(document.documentElement,ESC);
  assert_false(dialog.open);
  assert_false(dialog.matches(':open'));
  dialog.showModal();
  assert_true(dialog.open);
  assert_true(dialog.matches(':open'));
  await new test_driver.send_keys(document.documentElement,ESC);
  assert_false(dialog.open);
  assert_false(dialog.matches(':open'));
}, `Dialogs that start open and have closedby should still function`);
</script>

<dl>
  <dt contenteditable></dt>
  <dialog id=test2 open></dialog>
</dl>

<script>
promise_test(async (t) => {
  // This test case is pulled from `dialog-closewatcher-crash.html`. It is
  // constructed such that this happens:
  //  1. The dialog `open` attribute is removed, which (depending on whether
  //     https://github.com/whatwg/html/pull/10124 behavior is happening) calls
  //     the close() steps.
  //  2. the last step of close() is to restore focus to the previously-focused
  //     element.
  //  3. Changing focus triggers the `focusin` event, which calls `showModal()`.
  //  4. In showModal(), the dialog is again made modal, re-constructing the
  //     close watcher and re-setting the `open` attribute.
  //  5. The call to close() ends.
  // After all of this, if things are working, the ESC key should still cause
  // the dialog to be closed.
  const dialog = document.querySelector('dialog#test2');
  const controller = new AbortController();
  document.querySelector('dl').addEventListener("focusin", () => {
    dialog.showModal();
  },{signal:controller.signal});
  // This will trigger the focus-the-previous-element behavior, which will fire
  // the `focusin` event.
  dialog.open = false;
  await new Promise(resolve => {
    document.defaultView.requestIdleCallback(() => {
      window.getSelection().addRange(document.createRange());
      dialog.close();
      resolve();
    });
  });
  assert_true(dialog.open);
  assert_true(dialog.matches(':open'));
  // Stop re-running showModal(), so we can check that the dialog closes with ESC:
  controller.abort();
  await test_driver.send_keys(document.documentElement,ESC);
  assert_false(dialog.open,'ESC should still work');
  assert_false(dialog.matches(':open'));
}, `Opening and closing a dialog during the dialog focus fixup should still leave closedby functional`);
</script>