test_async_UpdateCurrentDictionary.html

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<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=856270

-->

<head>

  <title>Test for Bug 856270 - Async UpdateCurrentDictionary</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=856270">Mozilla Bug 856270</a>

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

<div id="content">

<textarea id="editor" spellcheck="true"></textarea>

</div>

<pre id="test">

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

SimpleTest.waitForExplicitFinish();

addLoadEvent(start);

function start() {

  var textarea = document.getElementById("editor");

  textarea.focus();

  const { onSpellCheck } = SpecialPowers.ChromeUtils.importESModule(

    "resource://testing-common/AsyncSpellCheckTestHelper.sys.mjs"

  onSpellCheck(textarea, function() {

    var isc = SpecialPowers.wrap(textarea).editor.getInlineSpellChecker(false);

    ok(isc, "Inline spell checker should exist after focus and spell check");

    var sc = isc.spellChecker;

    sc.setCurrentDictionaries(["testing-XX"]).then(() => {

      is(true, false, "Setting a non-existent dictionary should fail");

    }, () => {

      let currentDictionaries = sc.getCurrentDictionaries();

      is(currentDictionaries.length, 0, "expected no dictionaries");

      // First, set the lang attribute on the textarea, call Update, and make

      // sure the spell checker's language was updated appropriately.

      var lang = "en-US";

      textarea.setAttribute("lang", lang);

      sc.UpdateCurrentDictionary(function() {

        currentDictionaries = sc.getCurrentDictionaries();

        is(currentDictionaries.length, 1, "expected one dictionary");

        is(sc.getCurrentDictionaries()[0], lang,

          "UpdateCurrentDictionary should set the current dictionary.");

        sc.setCurrentDictionaries([]).then(() => {

          SimpleTest.finish();

});

});

});

});

</script>

</pre>

</body>

</html>