1 files changed, 45 insertions, 0 deletions
diff --git a/comm/mailnews/base/test/unit/test_nsIFolderListener.js b/comm/mailnews/base/test/unit/test_nsIFolderListener.js
new file mode 100644
index 0000000000..aa1b19ecfb
--- /dev/null
+++ b/comm/mailnews/base/test/unit/test_nsIFolderListener.js
@@ -0,0 +1,45 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * Test that adding nsIFolderListener in js does not cause any crash.
+ */
+
+var { MessageGenerator } = ChromeUtils.import(
+  "resource://testing-common/mailnews/MessageGenerator.jsm"
+);
+var { MessageInjection } = ChromeUtils.import(
+  "resource://testing-common/mailnews/MessageInjection.jsm"
+);
+
+var folderListener = {
+  onFolderAdded() {},
+  onMessageAdded() {},
+  onFolderRemoved() {},
+  onMessageRemoved() {},
+  onFolderPropertyChanged() {},
+  onFolderIntPropertyChanged() {},
+  onFolderBoolPropertyChanged() {},
+  onFolderUnicharPropertyChanged() {},
+  onFolderPropertyFlagChanged() {},
+  onFolderEvent() {},
+};
+
+var targetFolder;
+var messageInjection;
+
+add_setup(async function () {
+  let msgGen = new MessageGenerator();
+  messageInjection = new MessageInjection({ mode: "local" }, msgGen);
+
+  targetFolder = await messageInjection.makeEmptyFolder();
+  targetFolder.AddFolderListener(folderListener);
+  registerCleanupFunction(function () {
+    targetFolder.RemoveFolderListener(folderListener);
+  });
+});
+
+add_task(async function create_new_message() {
+  await messageInjection.makeNewSetsInFolders([targetFolder], [{ count: 1 }]);
+});