1 files changed, 38 insertions, 0 deletions
diff --git a/toolkit/components/places/tests/expiration/test_notifications.js b/toolkit/components/places/tests/expiration/test_notifications.js
new file mode 100644
index 000000000..06e585c6c
--- /dev/null
+++ b/toolkit/components/places/tests/expiration/test_notifications.js
@@ -0,0 +1,38 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+ * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
+ * 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/. */
+
+/**
+ * What this is aimed to test:
+ *
+ * Ensure that History (through category cache) notifies us just once.
+ */
+
+var os = Cc["@mozilla.org/observer-service;1"].
+         getService(Ci.nsIObserverService);
+
+var gObserver = {
+  notifications: 0,
+  observe: function(aSubject, aTopic, aData) {
+    this.notifications++;
+  }
+};
+os.addObserver(gObserver, PlacesUtils.TOPIC_EXPIRATION_FINISHED, false);
+
+function run_test() {
+  // Set interval to a large value so we don't expire on it.
+  setInterval(3600); // 1h
+
+  PlacesTestUtils.clearHistory();
+
+  do_timeout(2000, check_result);
+  do_test_pending();
+}
+
+function check_result() {
+  os.removeObserver(gObserver, PlacesUtils.TOPIC_EXPIRATION_FINISHED);
+  do_check_eq(gObserver.notifications, 1);
+  do_test_finished();
+}