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+<!DOCTYPE html>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1204147
+-->
+<head>
+ <title>Test for Bug 1204147</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=1204147">Mozilla Bug 1204147</a>
+<p id="display"></p>
+<iframe id="content"></iframe>
+</div>
+
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+/** Test for Bug 1204147 **/
+SimpleTest.waitForExplicitFinish();
+var content = document.getElementById("content");
+// Load a subframe containing an editor with using "en-GB". At first
+// load, it will set the dictionary to "en-GB". The bug was that a content preference
+// was also created. At second load, we check the dictionary for another element,
+// one that should use "en-US". With the bug corrected, we get "en-US", before
+// we got "en-GB" from the content preference.
+
+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;
+ if (firstLoad) {
+ elem = doc.getElementById("en-GB");
+ } else {
+ elem = doc.getElementById("en-US");
+ }
+
+ var editor = SpecialPowers.wrap(elem).editor;
+ editor.setSpellcheckUserOverride(true);
+ var inlineSpellChecker = editor.getInlineSpellChecker(true);
+
+ const { onSpellCheck } = SpecialPowers.ChromeUtils.import(
+ "resource://testing-common/AsyncSpellCheckTestHelper.jsm"
+ );
+ 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 element's language should be used.
+ is(currentDictionary, "en-GB", "unexpected lang " + currentDictionary + " instead of en-GB");
+
+ // Note that on second load, we load a different page, which does NOT have the trouble-causing
+ // contenteditable in it. Sadly, loading the same page with the trouble-maker in it
+ // doesn't allow the retrieval of the spell check dictionary used for the element,
+ // because the trouble-maker causes the 'global' spell check dictionary to be set to "en-GB"
+ // (since it picks the first one from the list) before we have the chance to retrieve
+ // the dictionary for the element (which happens asynchonously after the spell check has completed).
+ content.src = "http://mochi.test:8888/tests/editor/spellchecker/tests/bug1204147_subframe2.html?firstload=false";
+ } else {
+ // Second time around, the element should default to en-US.
+ // Without the fix, the first run sets the content preference to en-GB for the whole site.
+ is(currentDictionary, "en-US", "unexpected lang " + currentDictionary + " instead of en-US");
+ content.removeEventListener("load", loadListener);
+
+ // Remove the fake en-GB dictionary again, since it's otherwise picked up by later tests.
+ await script.sendQuery("destroy");
+
+ // Reset the preference, so the last value we set doesn't collide with the next test.
+ SimpleTest.finish();
+ }
+ });
+};
+
+content.addEventListener("load", loadListener);
+
+content.src = "http://mochi.test:8888/tests/editor/spellchecker/tests/bug1204147_subframe.html?firstload=true";
+
+</script>
+</pre>
+</body>
+</html>