1 files changed, 41 insertions, 0 deletions
diff --git a/toolkit/components/search/tests/xpcshell/test_appDefaultEngine.js b/toolkit/components/search/tests/xpcshell/test_appDefaultEngine.js
new file mode 100644
index 0000000000..0b6fa30fdf
--- /dev/null
+++ b/toolkit/components/search/tests/xpcshell/test_appDefaultEngine.js
@@ -0,0 +1,41 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/*
+ * Test that appDefaultEngine property is set and switches correctly.
+ */
+
+"use strict";
+
+add_task(async function setup() {
+  Region._setHomeRegion("an", false);
+  await AddonTestUtils.promiseStartupManager();
+  await SearchTestUtils.useTestEngines("test-extensions");
+});
+
+add_task(async function test_appDefaultEngine() {
+  await Promise.all([Services.search.init(), promiseAfterSettings()]);
+  Assert.equal(
+    Services.search.appDefaultEngine.name,
+    "Multilocale AN",
+    "Should have returned the correct app default engine"
+  );
+});
+
+add_task(async function test_changeRegion() {
+  // Now change the region, and check we get the correct default according to
+  // the config file.
+
+  // Note: the test could be done with changing regions or locales. The important
+  // part is that the default engine is changing across the switch, and that
+  // the engine is not the first one in the new sorted engines list.
+  await promiseSetHomeRegion("tr");
+
+  Assert.equal(
+    Services.search.appDefaultEngine.name,
+    // Very important this default is not the first one in the list (which is
+    // the next fallback if the config one can't be found).
+    "Special",
+    "Should have returned the correct engine for the new locale"
+  );
+});