details-mutate.html

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This WPT test may be referenced by the following Test IDs:
- /selection/anonymous/details-mutate.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Test selecting anonymous summary element inside details</title>

<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>

<link rel="stylesheet" href="/fonts/ahem.css">

<style>

  details {

    font: 16px/1 Ahem;

</style>

<details id="d"></details>

<script>

  const selection = getSelection();

  d.addEventListener("DOMSubtreeModified", ev => {

    window.find("cthulu", true, false);

    selection.extend(document.body, document.body.childNodes.length);

});

  window.onload = () => {

    promise_test(async () => {

      // This enables `.extend()`

      selection.collapse(document.body);

      // Clicking implicitly selects an anonymous summary element inside <details>

      await new test_driver.Actions()

        .pointerMove(0, 0, { origin: d })

        .pointerDown()

        .pointerUp()

        .send();

      // FIXME: Convert this to a crash test. Currently test_driver actions

      // do not work within crash tests.

      assert_true(true, "No crash");

    }, "Manipulating selection after clicking <details> shouldn't cause a crash");

};

</script>