1 files changed, 24 insertions, 0 deletions
diff --git a/browser/components/preferences/tests/browser_bug1547020_lockedDownloadDir.js b/browser/components/preferences/tests/browser_bug1547020_lockedDownloadDir.js
new file mode 100644
index 0000000000..cd5b00b5f2
--- /dev/null
+++ b/browser/components/preferences/tests/browser_bug1547020_lockedDownloadDir.js
@@ -0,0 +1,24 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function () {
+  Services.prefs.lockPref("browser.download.useDownloadDir");
+
+  await openPreferencesViaOpenPreferencesAPI("general", { leaveOpen: true });
+  let doc = gBrowser.selectedBrowser.contentDocument;
+
+  var downloadFolder = doc.getElementById("downloadFolder");
+  var chooseFolder = doc.getElementById("chooseFolder");
+  is(
+    downloadFolder.disabled,
+    false,
+    "Download folder field should not be disabled."
+  );
+  is(chooseFolder.disabled, false, "Choose folder should not be disabled.");
+
+  gBrowser.removeCurrentTab();
+
+  Services.prefs.unlockPref("browser.download.useDownloadDir");
+});