layout/mathml/tests/test_disabled_chrome.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=1173199
   5 -->
   6 <head>
   7   <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
   8   <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
   9 </head>
  10 <body>
  11 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1173199">Mozilla Bug 1173199</a>
  12 <div id="testnodes"></div>
  13 <pre id="test">
  14 <script type="application/javascript">
  15   add_task(async function() {
  16     const { ContentTaskUtils } = ChromeUtils.importESModule(
  17       "resource://testing-common/ContentTaskUtils.sys.mjs"
  18     );
  19     let t = document.getElementById('testnodes');
  20
  21     const url = 'chrome://mochitests/content/chrome/layout/mathml/tests/test_disabled_chrome_iframe.html';
  22     const chromeIframeEl = document.createElement('iframe');
  23     let chromeLoadPromise = ContentTaskUtils.waitForEvent(chromeIframeEl, 'load', false);
  24     chromeIframeEl.src = url;
  25     t.appendChild(chromeIframeEl);
  26
  27     await chromeLoadPromise;
  28     const mspaceBox = chromeIframeEl.contentDocument.body.querySelector("mspace").getBoundingClientRect();
  29     ok(mspaceBox.width > 50, "MathML is laid out in Chrome documents even when the mathml.disabled preference is true.");
  30   });
  31 </script>
  32 </pre>
  33 </body>
  34 </html>