1 files changed, 51 insertions, 0 deletions
diff --git a/toolkit/components/search/tests/xpcshell/test_defaultEngine.js b/toolkit/components/search/tests/xpcshell/test_defaultEngine.js
new file mode 100644
index 000000000..13d9922de
--- /dev/null
+++ b/toolkit/components/search/tests/xpcshell/test_defaultEngine.js
@@ -0,0 +1,51 @@
+/* Any copyright is dedicated to the Public Domain.
+ *    http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/*
+ * Test that currentEngine and defaultEngine properties can be set and yield the
+ * proper events and behavior (search results)
+ */
+
+"use strict";
+
+function run_test() {
+  removeMetadata();
+  updateAppInfo();
+  useHttpServer();
+
+  run_next_test();
+}
+
+add_task(function* test_defaultEngine() {
+  let search = Services.search;
+
+  let originalDefault = search.defaultEngine;
+
+  let [engine1, engine2] = yield addTestEngines([
+    { name: "Test search engine", xmlFileName: "engine.xml" },
+    { name: "A second test engine", xmlFileName: "engine2.xml" },
+  ]);
+
+  search.defaultEngine = engine1;
+  do_check_eq(search.defaultEngine, engine1);
+  search.defaultEngine = engine2
+  do_check_eq(search.defaultEngine, engine2);
+  search.defaultEngine = engine1;
+  do_check_eq(search.defaultEngine, engine1);
+
+  // Test that hiding the currently-default engine affects the defaultEngine getter
+  // We fallback first to the original default...
+  engine1.hidden = true;
+  do_check_eq(search.defaultEngine, originalDefault);
+
+  // ... and then to the first visible engine in the list, so move our second
+  // engine to that position.
+  search.moveEngine(engine2, 0);
+  originalDefault.hidden = true;
+  do_check_eq(search.defaultEngine, engine2);
+
+  // Test that setting defaultEngine to an already-hidden engine works, but
+  // doesn't change the return value of the getter
+  search.defaultEngine = engine1;
+  do_check_eq(search.defaultEngine, engine2);
+});