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<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1773802
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 1773802</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1773802">Mozilla Bug 1773802</a>
<p id="display"></p>
</div>

<textarea id="editor">correct правильный, incarrect непровильный</textarea>

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

const Ci = SpecialPowers.Ci;

let { maybeOnSpellCheck } = SpecialPowers.ChromeUtils.importESModule(
  "resource://testing-common/AsyncSpellCheckTestHelper.sys.mjs"
);

function getMisspelledWords(editor) {
  return editor.selectionController.getSelection(Ci.nsISelectionController.SELECTION_SPELLCHECK).toString();
}

/** Test for Bug 1773802 **/
SimpleTest.waitForExplicitFinish();
addLoadEvent(start);
async function start() {
  let script = SpecialPowers.loadChromeScript(() => {
    /* eslint-env mozilla/chrome-script */
    // eslint-disable-next-line mozilla/use-services
    let 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");

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

    // Install ru-RU dictionary.
    let ru_RU = dir.clone();
    ru_RU.append("ru-RU");
    hunspell.addDirectory(ru_RU);

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

  let textarea = document.getElementById("editor");
  let editor = SpecialPowers.wrap(textarea).editor;
  textarea.focus();

  maybeOnSpellCheck(textarea, () => {
    let isc = SpecialPowers.wrap(textarea).editor.getInlineSpellChecker(false);
    ok(isc, "Inline spell checker should exist after focus and spell check");
    let spellchecker = isc.spellChecker;

    spellchecker.setCurrentDictionaries(["en-US", "ru-RU"]).then(async () => {
      textarea.blur();
      textarea.focus();
      maybeOnSpellCheck(textarea, async function() {
        let currentDictionaries = spellchecker.getCurrentDictionaries();

        is(currentDictionaries.length, 2, "expected two dictionaries");
        is(currentDictionaries[0], "en-US", "expected en-US");
        is(currentDictionaries[1], "ru-RU", "expected ru-RU");
        is(getMisspelledWords(editor), "incarrectнепровильный", "some misspelled words expected: incarrect непровильный");

        // Remove the fake ru_RU dictionary again.
        await script.sendQuery("destroy");

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