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<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=678842
-->
<head>
  <title>Test for Bug 678842</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=678842">Mozilla Bug 678842</a>
<p id="display"></p>
<iframe id="content"></iframe>

</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 678842 **/
SimpleTest.waitForExplicitFinish();
var content = document.getElementById("content");
// load a subframe containing an editor with a defined unknown lang. At first
// load, it will set dictionary to en-US. At second load, it will return current
// dictionary. So, we can check, dictionary is correctly remembered between
// loads.

var firstLoad = true;
var script;

var loadListener = async function(evt) {
  if (firstLoad) {
    script = SpecialPowers.loadChromeScript(function() {
      /* eslint-env mozilla/chrome-script */
      // eslint-disable-next-line mozilla/use-services
      var dir = Cc["@mozilla.org/file/directory_service;1"]
                  .getService(Ci.nsIProperties)
                  .get("CurWorkD", Ci.nsIFile);
      dir.append("tests");
      dir.append("editor");
      dir.append("spellchecker");
      dir.append("tests");

      var hunspell = Cc["@mozilla.org/spellchecker/engine;1"]
                       .getService(Ci.mozISpellCheckingEngine);

      // Install en-GB dictionary.
      let en_GB = dir.clone();
      en_GB.append("en-GB");
      hunspell.addDirectory(en_GB);

      addMessageListener("en_GB-exists", () => en_GB.exists());
      addMessageListener("destroy", () => hunspell.removeDirectory(en_GB));
    });
    is(await script.sendQuery("en_GB-exists"), true,
       "true expected (en-GB directory should exist)");
  }

  var doc = evt.target.contentDocument;
  var elem = doc.getElementById("textarea");
  var editor = SpecialPowers.wrap(elem).editor;
  editor.setSpellcheckUserOverride(true);
  var inlineSpellChecker = editor.getInlineSpellChecker(true);

  const { onSpellCheck } = SpecialPowers.ChromeUtils.importESModule(
    "resource://testing-common/AsyncSpellCheckTestHelper.sys.mjs"
  );
  onSpellCheck(elem, async function() {
    let spellchecker = inlineSpellChecker.spellChecker;
    let currentDictionaries = spellchecker.getCurrentDictionaries();
    is(currentDictionaries.length, 1, "expected one dictionary");
    let currentDictionary = currentDictionaries[0];

    if (firstLoad) {
      firstLoad = false;

       // First time around, the dictionary defaults to the locale.
      is(currentDictionary, "en-US", "unexpected lang " + currentDictionary + " instead of en-US");

      // Select en-GB.
      spellchecker.setCurrentDictionaries(["en-GB"]).then(() => {
        content.src = "http://mochi.test:8888/tests/editor/spellchecker/tests/bug678842_subframe.html?firstload=false";
      });
    } else {
      is(currentDictionary, "en-GB", "unexpected lang " + currentDictionary + " instead of en-GB");
      content.removeEventListener("load", loadListener);

      // Remove the fake en-GB dictionary again, since it's otherwise picked up by later tests.
      await script.sendQuery("destroy");

      // This will clear the content preferences and reset "spellchecker.dictionary".
      spellchecker.setCurrentDictionaries([]).then( () => {
        SimpleTest.finish();
      });
    }
  });
};

content.addEventListener("load", loadListener);

content.src = "http://mochi.test:8888/tests/editor/spellchecker/tests/bug678842_subframe.html?firstload=true";

</script>
</pre>
</body>
</html>