1 files changed, 61 insertions, 0 deletions
diff --git a/comm/mail/test/browser/folder-display/browser_invalidDbFolderLoad.js b/comm/mail/test/browser/folder-display/browser_invalidDbFolderLoad.js
new file mode 100644
index 0000000000..61ccf08d08
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+++ b/comm/mail/test/browser/folder-display/browser_invalidDbFolderLoad.js
@@ -0,0 +1,61 @@
+/* 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 clicking on a folder with an invalid or missing .msf file
+ * regenerates the.msf file and loads the view.
+ * Also, check that rebuilding the index on a loaded folder reloads the folder.
+ */
+
+"use strict";
+
+var {
+  assert_messages_in_view,
+  assert_selected_and_displayed,
+  be_in_folder,
+  create_folder,
+  get_about_3pane,
+  make_message_sets_in_folders,
+  mc,
+  select_click_row,
+} = ChromeUtils.import(
+  "resource://testing-common/mozmill/FolderDisplayHelpers.jsm"
+);
+
+var folder;
+var setA;
+
+add_setup(async function () {
+  folder = await create_folder("InvalidMSF");
+  [setA] = await make_message_sets_in_folders([folder], [{ count: 3 }]);
+});
+
+/**
+ * Check if the db of a folder assumed to be invalid can be restored.
+ */
+add_task(async function test_load_folder_with_invalidDB() {
+  folder.msgDatabase.dBFolderInfo.sortType = Ci.nsMsgViewSortType.bySubject;
+  folder.msgDatabase.summaryValid = false;
+  folder.msgDatabase.forceClosed();
+  folder.msgDatabase = null;
+  await be_in_folder(folder);
+
+  assert_messages_in_view(setA);
+  var curMessage = select_click_row(0);
+  assert_selected_and_displayed(curMessage);
+});
+
+add_task(function test_view_sort_maintained() {
+  let win = get_about_3pane();
+  if (win.gDBView.sortType != Ci.nsMsgViewSortType.bySubject) {
+    throw new Error("view sort type not restored from invalid db");
+  }
+
+  Assert.report(
+    false,
+    undefined,
+    undefined,
+    "Test ran to completion successfully"
+  );
+});