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diff --git a/comm/mailnews/base/test/unit/test_loadVirtualFolders.js b/comm/mailnews/base/test/unit/test_loadVirtualFolders.js
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+++ b/comm/mailnews/base/test/unit/test_loadVirtualFolders.js
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+/* 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 loading of virtualFolders.dat, including verification of the search
+// scopes, i.e., folder uri's.
+
+var { MailServices } = ChromeUtils.import(
+  "resource:///modules/MailServices.jsm"
+);
+
+// As currently written, this test will only work with Berkeley store.
+Services.prefs.setCharPref(
+  "mail.serverDefaultStoreContractID",
+  "@mozilla.org/msgstore/berkeleystore;1"
+);
+
+// main test
+
+function run_test() {
+  let vfdat = do_get_file("../../../data/test_virtualFolders.dat");
+
+  vfdat.copyTo(do_get_profile(), "virtualFolders.dat");
+  localAccountUtils.loadLocalMailAccount();
+  let localMailDir = do_get_profile().clone();
+  localMailDir.append("Mail");
+  localMailDir.append("Local Folders");
+  localMailDir.append("unread-local");
+  localMailDir.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o644);
+  localMailDir.leafName = "invalidserver-local";
+  localMailDir.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o644);
+  localMailDir.leafName = "$label1";
+  localMailDir.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o644);
+
+  MailServices.accounts.loadVirtualFolders();
+  let unreadLocal =
+    localAccountUtils.incomingServer.rootMsgFolder.getChildNamed(
+      "unread-local"
+    );
+  let searchScope =
+    unreadLocal.msgDatabase.dBFolderInfo.getCharProperty("searchFolderUri");
+  Assert.equal(
+    searchScope,
+    "mailbox://nobody@Local%20Folders/Inbox|mailbox://nobody@Local%20Folders/Trash"
+  );
+  let invalidServer =
+    localAccountUtils.incomingServer.rootMsgFolder.getChildNamed(
+      "invalidserver-local"
+    );
+  searchScope =
+    invalidServer.msgDatabase.dBFolderInfo.getCharProperty("searchFolderUri");
+  Assert.equal(searchScope, "mailbox://nobody@Local%20Folders/Inbox");
+
+  let tagsFolder =
+    localAccountUtils.incomingServer.rootMsgFolder.getChildNamed("$label1");
+  Assert.equal(
+    tagsFolder.msgDatabase.dBFolderInfo.getCharProperty("searchFolderUri"),
+    "*"
+  );
+  Assert.equal(
+    tagsFolder.msgDatabase.dBFolderInfo.getCharProperty("searchStr"),
+    "AND (tag,contains,$label1)"
+  );
+}