selection-after-whitespace-change.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-textarea-element/selection-after-whitespace-change.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

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

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

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

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

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

<textarea id="t" style="white-space: nowrap">Hello</textarea>

<script>

promise_test(async () => {

  t.focus();

  if (navigator.userAgent.includes("Mac")) {

    // Meta+ArrowLeft

    await new test_driver.Actions()

      .keyDown("\uE03D")

      .keyDown("\uE058")

      .keyUp("\uE058")

      .keyUp("\uE03D")

      .send();

  } else {

    // Home

    await test_driver.send_keys(t, ["\uE011"]);

  // And then Delete

  await test_driver.send_keys(t, ["\uE017"]);

  t.style.whiteSpace = "pre-line";

  await new Promise(setTimeout);

  assert_equals(t.selectionStart, 0, "selectionStart should remain 0");

  assert_equals(t.selectionEnd, 0, "selectionEnd should remain 0");

}, "Changing white-space should not change selection");

</script>