Node-cloneNode-document-with-doctype.html

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This WPT test may be referenced by the following Test IDs:
- /dom/nodes/Node-cloneNode-document-with-doctype.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Cloning of a document with a doctype</title>

<link rel="help" href="https://dom.spec.whatwg.org/#dom-node-clonenode">

<link rel="help" href="https://dom.spec.whatwg.org/#concept-node-clone">

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

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

<script>

"use strict";

test(() => {

  const doctype = document.implementation.createDocumentType("name", "publicId", "systemId");

  const doc = document.implementation.createDocument("namespace", "", doctype);

  const clone = doc.cloneNode(true);

  assert_equals(clone.childNodes.length, 1, "Only one child node");

  assert_equals(clone.childNodes[0].nodeType, Node.DOCUMENT_TYPE_NODE, "Is a document fragment");

  assert_equals(clone.childNodes[0].name, "name");

  assert_equals(clone.childNodes[0].publicId, "publicId");

  assert_equals(clone.childNodes[0].systemId, "systemId");

}, "Created with the createDocument/createDocumentType");

test(() => {

  const doc = document.implementation.createHTMLDocument();

  const clone = doc.cloneNode(true);

  assert_equals(clone.childNodes.length, 2, "Two child nodes");

  assert_equals(clone.childNodes[0].nodeType, Node.DOCUMENT_TYPE_NODE, "Is a document fragment");

  assert_equals(clone.childNodes[0].name, "html");

  assert_equals(clone.childNodes[0].publicId, "");

  assert_equals(clone.childNodes[0].systemId, "");

}, "Created with the createHTMLDocument");

test(() => {

  const parser = new window.DOMParser();

  const doc = parser.parseFromString("<!DOCTYPE html><html></html>", "text/html");

  const clone = doc.cloneNode(true);

  assert_equals(clone.childNodes.length, 2, "Two child nodes");

  assert_equals(clone.childNodes[0].nodeType, Node.DOCUMENT_TYPE_NODE, "Is a document fragment");

  assert_equals(clone.childNodes[0].name, "html");

  assert_equals(clone.childNodes[0].publicId, "");

  assert_equals(clone.childNodes[0].systemId, "");

}, "Created with DOMParser");

</script>