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<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1761273
-->
<head>
  <title>Test for Bug 1761273</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=1761273">Mozilla Bug 1761273</a>
<p id="display"></p>
</div>

<textarea id="editor" lang="en-US">heute ist ein guter Tag - today is a good day</textarea>

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

const Ci = SpecialPowers.Ci;

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

/** Test for Bug 1402822 **/
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 de-DE dictionary.
    let de_DE = dir.clone();
    de_DE.append("de-DE");
    hunspell.addDirectory(de_DE);

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

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

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

    // Setting the language to the language of the texteditor should not set the
    // content preference.
    await spellchecker.setCurrentDictionaries(["en-US"]);
    let dictionaryContentPref = await getDictionaryContentPref();
    is(dictionaryContentPref, "", "Content pref should be empty");

    await spellchecker.setCurrentDictionaries(["en-US", "de-DE"]);
    dictionaryContentPref = await getDictionaryContentPref();
    is(dictionaryContentPref, "en-US,de-DE,", "Content pref should be en-US,de-DE,");

    await spellchecker.setCurrentDictionaries(["de-DE"]);
    dictionaryContentPref = await getDictionaryContentPref();
    is(dictionaryContentPref, "de-DE,", "Content pref should be de-DE,");

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

    // This will clear the content preferences and reset "spellchecker.dictionary".
    await spellchecker.setCurrentDictionaries([]);
    dictionaryContentPref = await getDictionaryContentPref();
    is(dictionaryContentPref, "", "Content pref should be empty");

    SimpleTest.finish();
  });
}
</script>
</pre>
</body>
</html>