extend-selection-in-shadow-tree.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /selection/extend-selection-in-shadow-tree.html - WPT Dashboard Interop Dashboard

<!doctype HTML>

<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="div1">

  <template shadowrootmode="open">

    <div id="div2">some text</div>

  </template>

</div>

<script>

  const selection = document.getSelection();

  const div1 = document.getElementById("div1");

  const div2 = div1.shadowRoot.getElementById("div2");

  generateShadowRootClickSequence = () => new test_driver.Actions()

    .pointerMove(div2.offsetLeft, div2.offsetTop)

    .pointerDown()

    .pointerUp()

  promise_test(async () => {

    await generateShadowRootClickSequence().send();

    selection.extend(div2.firstChild, 9); // select "some text"

    assert_equals(selection.toString(), "some text");

  }, 'Extend selection in shadow tree');

</script>