test_bug1666613.html

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<!DOCTYPE HTML>

<html>

<head>

  <title>Test for Bug 1666613</title>

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

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

  <style>iframe { width: 90%; }</style>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1666613">Mozilla Bug 691215</a>

<p id="display"></p>

<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();

function checkDir(expected) {

  return new Promise(resolve => {

    let iframe = document.createElement("iframe");

    document.body.append(iframe);

    iframe.onload = () => {

      let parserError = iframe.contentDocument.documentElement;

      is(parserError.getAttribute("dir"), expected);

      resolve();

};

    iframe.src = "file_bug1666613.xml";

});

async function sanityTest() {

  await checkDir("ltr");

  await pseudoBidiTest();

async function pseudoBidiTest() {

  await SpecialPowers.pushPrefEnv({

    set: [["intl.l10n.pseudo", "bidi"]]

});

  await checkDir("rtl");

  SimpleTest.finish();

sanityTest();

</script>

</body>

</html>