merge-span-with-style-after-forwarddelete-having-contenteditable.html

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This WPT test may be referenced by the following Test IDs:
- /editing/other/merge-span-with-style-after-forwarddelete-having-contenteditable.html - WPT Dashboard Interop Dashboard

<!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>

</head>

<body>

<div contenteditable><h1><span style="background-color:red;" id="back">Back</span></h1>

<h1><span style="background-color: red;">space</span></h1></div>

<script>

"use strict";

const kDeleteKey = "\uE017";

function sendDeleteKey() {

  return new test_driver.Actions()

    .keyDown(kDeleteKey)

    .keyUp(kDeleteKey)

    .send();

promise_test(async () => {

  const editableDiv = document.querySelector("div[contenteditable]");

  const spaceSpan = editableDiv.querySelectorAll('span')[0];

  await new test_driver.click(document.querySelector('#back'));

  const range = document.createRange();

  const selection = window.getSelection();

  const textNode = spaceSpan.firstChild;

  range.setStart(textNode, 4);

  range.setEnd(textNode, 4);

  selection.removeAllRanges();

  selection.addRange(range);

  await sendDeleteKey();

  assert_equals(

    editableDiv.innerHTML,

    "<h1><span style=\"background-color:red;\" id=\"back\">Back</span><span style=\"background-color: red;\">space</span></h1>",

    "Style is not preserved for the span after pressing backspace in contenteditable"

);

}, "waiting for command to execute");

</script>

</body>

</html>