1 files changed, 34 insertions, 0 deletions
diff --git a/browser/components/preferences/tests/browser_checkspelling.js b/browser/components/preferences/tests/browser_checkspelling.js
new file mode 100644
index 0000000000..859e539fb1
--- /dev/null
+++ b/browser/components/preferences/tests/browser_checkspelling.js
@@ -0,0 +1,34 @@
+add_task(async function() {
+  SpecialPowers.pushPrefEnv({ set: [["layout.spellcheckDefault", 2]] });
+
+  let prefs = await openPreferencesViaOpenPreferencesAPI("paneGeneral", {
+    leaveOpen: true,
+  });
+  is(prefs.selectedPane, "paneGeneral", "General pane was selected");
+
+  let doc = gBrowser.contentDocument;
+  let checkbox = doc.querySelector("#checkSpelling");
+  is(
+    checkbox.checked,
+    Services.prefs.getIntPref("layout.spellcheckDefault") == 2,
+    "checkbox should represent pref value before clicking on checkbox"
+  );
+  ok(
+    checkbox.checked,
+    "checkbox should be checked before clicking on checkbox"
+  );
+
+  checkbox.click();
+
+  is(
+    checkbox.checked,
+    Services.prefs.getIntPref("layout.spellcheckDefault") == 2,
+    "checkbox should represent pref value after clicking on checkbox"
+  );
+  ok(
+    !checkbox.checked,
+    "checkbox should not be checked after clicking on checkbox"
+  );
+
+  BrowserTestUtils.removeTab(gBrowser.selectedTab);
+});