chromium/third_party/blink/web_tests/external/wpt/editing/other/merge-span-with-style-after-forwarddelete-having-contenteditable.html

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Merge Span with style after forward delete having contenteditable</title>
<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>
<script src="../include/editor-test-utils.js"></script>
</head>
<body>
<div contenteditable></div>
<script>
"use strict";

const utils =
  new EditorTestUtils(document.querySelector("div[contenteditable]"));

promise_test(async () => {
  utils.setupEditingHost(
    `<div contenteditable="true">
    <h1><span style="background-color:red;">Back[]</span></h1>
    <h1><span style="background-color:red;">space</span></h1>
    </div>`
  );
  await utils.sendDeleteKey();
  assert_in_array(
    utils.editingHost.innerHTML,
    [
    `<div contenteditable="true">
    <h1><span style="background-color:red;">Back</span><span style="background-color: red;">space</span></h1>
    </div>`
    ],
    "Style is not preserved for the span after pressing backspace in contenteditable"
  );
}, "waiting for command to execute");
</script>
</body>
</html>