test_anonymousContent_style_csp.html

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<!DOCTYPE HTML>

<html>

<!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1020244 -->

<meta charset="utf-8">

<title>Test for Bug 1185351 - Make sure that we don't enforce CSP on styles for AnonymousContent</title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>

<div>

  <div id="test-element" style="color:red;">text content</div>

</div>

<script>

  let chromeDocument = SpecialPowers.wrap(document);

  let testElement = document.querySelector("div");

  let anonymousContent = chromeDocument.insertAnonymousContent();

  anonymousContent.root.appendChild(testElement.cloneNode(true));

  let el = anonymousContent.root.getElementById("test-element");

  el.style = `color: green;`;

  let style = el.getAttribute("style");

  is(style, "color: green;", "The anonymous content exists with CSP");

  chromeDocument.removeAnonymousContent(anonymousContent);

</script>