fune/dom/base/test/test_anonymousContent_manipulate_content.html
Emilio Cobos Álvarez bd1b363ff9 Bug 1824886 - Rewrite AnonymousContent to use a shadow tree. r=smaug,TYLin,sfoster,devtools-reviewers,nchevobbe
Subtle things:

 * We now have shadow trees in NAC, inception! Only a couple lines of
   code in the style system had to be changed to match :host rules and
   so properly.

 * Had to make highlighters.css contentaccessible, because otherwise we
   can't load it from the shadow tree. I don't think it's a big deal.

 * I removed some of the code from highlighters.css that claimed that
   stuff inherited from the html element. That's just no longer true.

 * Had to switch from `setAttribute("style", ...)` to `.style = ...;`.
   This is needed because CSSOM from chrome code bypasses CSP (as
   AnonymousContent did), but setAttribute() doesn't, see bug 1424474.

Differential Revision: https://phabricator.services.mozilla.com/D173998
2023-07-09 11:34:05 +00:00

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1.5 KiB
HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1020244
-->
<meta charset="utf-8">
<title>Test for Bug 1020244 - Manipulate content created with the AnonymousContent API</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1020244">Mozilla Bug 1020244</a>
<div>
<div id="test-element" class="test-class" test="test">text content</div>
</div>
<script>
// Insert content
let chromeDocument = SpecialPowers.wrap(document);
let testElement = document.querySelector("div");
let anonymousContent = chromeDocument.insertAnonymousContent();
anonymousContent.root.appendChild(testElement.cloneNode(true));
// Test getting/setting text content.
is(anonymousContent.root.getElementById("test-element").textContent,
"text content", "Textcontent for the test element is correct");
let anonTestElement = anonymousContent.root.getElementById("test-element");
anonTestElement.textContent =
"updated text content";
is(anonTestElement.textContent,
"updated text content",
"Textcontent for the test element is correct after update");
let anim = anonTestElement.animate([
{ transform: 'translateY(0px)' },
{ transform: 'translateY(-300px)' }
], 2000);
is(anim.playState, "running", "Animation should be running");
anim.cancel();
is(anim.playState, "idle", "Animation should have stopped immediately");
chromeDocument.removeAnonymousContent(anonymousContent);
</script>