DOMImplementation-createDocument-no-browsing-context.html

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This WPT test may be referenced by the following Test IDs:
- /dom/nodes/DOMImplementation-createDocument-no-browsing-context.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>DOMImplementation.createDocument: documents without a browsing context</title>

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

<link rel="help" href="https://html.spec.whatwg.org/multipage/window-object.html#dom-document-defaultview">

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

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

<script>

"use strict";

test(() => {

  assert_throws_js(TypeError, () => new DOMImplementation());

}, "new DOMImplementation() throws");

test(() => {

  const doc = document.implementation.createDocument(null, null, null);

  assert_equals(doc.defaultView, null);

}, "createDocument: defaultView is null");

test(() => {

  const doc = document.implementation.createHTMLDocument();

  assert_equals(doc.defaultView, null);

}, "createHTMLDocument: defaultView is null");

test(() => {

  const doc = document.implementation.createHTMLDocument();

  const proxiedEventHandlers = [

    "onafterprint", "onbeforeprint", "onbeforeunload", "onblur", "onerror", "onfocus",

    "onhashchange", "onload", "onmessage", "onoffline", "ononline", "onpagehide", "onpageshow",

    "onpopstate", "onresize", "onscroll", "onstorage", "onunload"

];

  for (const name of proxiedEventHandlers) {

    doc.body[name] = "1 + 2";

    assert_equals(doc.body[name], null, name + " should be null because there is no window");

}, "createHTMLDocument: proxied event handlers on body are null without a window");

test(() => {

  const doc = document.implementation.createHTMLDocument();

  const iframe = doc.createElement("iframe");

  iframe.setAttribute("name", "foobar");

  doc.body.appendChild(iframe);

  assert_equals(iframe.contentWindow, null, "contentWindow should be null before setting src");

  assert_equals(iframe.contentDocument, null, "contentDocument should be null before setting src");

  iframe.src = "http://example.com/";

  assert_equals(iframe.contentWindow, null, "contentWindow should be null after setting src");

  assert_equals(iframe.contentDocument, null, "contentDocument should be null after setting src");

}, "createHTMLDocument: iframe should not load in a document without a browsing context");

</script>