test_disabled_chrome.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=1173199

-->

<head>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1173199">Mozilla Bug 1173199</a>

<div id="testnodes"></div>

<pre id="test">

<script type="application/javascript">

  add_task(async function() {

    const { ContentTaskUtils } = ChromeUtils.importESModule(

      "resource://testing-common/ContentTaskUtils.sys.mjs"

);

    let t = document.getElementById('testnodes');

    const url = 'chrome://mochitests/content/chrome/layout/mathml/tests/test_disabled_chrome_iframe.html';

    const chromeIframeEl = document.createElement('iframe');

    let chromeLoadPromise = ContentTaskUtils.waitForEvent(chromeIframeEl, 'load', false);

    chromeIframeEl.src = url;

    t.appendChild(chromeIframeEl);

    await chromeLoadPromise;

    const mspaceBox = chromeIframeEl.contentDocument.body.querySelector("mspace").getBoundingClientRect();

    ok(mspaceBox.width > 50, "MathML is laid out in Chrome documents even when the mathml.disabled preference is true.");

});

</script>

</pre>

</body>

</html>