Comment-serialization-double-hyphen.html

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This WPT test may be referenced by the following Test IDs:
- /domparsing/Comment-serialization-double-hyphen.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Serialization of comments containing '--'</title>

<meta charset="utf-8">

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

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

<!-- Regression test for https://github.com/jsdom/jsdom/issues/243 -->

<script>

"use strict";

test(() => {

  const p = document.createElement("p");

  const comment = document.createComment("abc--def");

  p.appendChild(comment);

  assert_equals(p.innerHTML, "<!--abc--def-->");

}, "Serializing a comment containing '--' via innerHTML");

// Test case based on the original report's example

test(() => {

  const p = document.createElement("p");

  const comment = document.createComment("abc-->def<!--ghj");

  p.appendChild(comment);

  assert_equals(p.innerHTML, "<!--abc-->def<!--ghj-->");

}, "Serializing a comment containing '-->' via innerHTML");

// Test case based on the comment discussion

test(() => {

  const p = document.createElement("p");

  const comment = document.createComment("--");

  p.appendChild(comment);

  assert_equals(p.innerHTML, "<!------>");

}, "Serializing a comment containing only '--' via innerHTML");

</script>