1 files changed, 40 insertions, 0 deletions
diff --git a/toolkit/components/search/tests/xpcshell/test_SearchStaticData.js b/toolkit/components/search/tests/xpcshell/test_SearchStaticData.js
new file mode 100644
index 0000000000..741953a1cf
--- /dev/null
+++ b/toolkit/components/search/tests/xpcshell/test_SearchStaticData.js
@@ -0,0 +1,40 @@
+/* Any copyright is dedicated to the Public Domain.
+ *    http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/*
+ * Tests the SearchStaticData module.
+ */
+
+"use strict";
+
+const { SearchStaticData } = ChromeUtils.importESModule(
+  "resource://gre/modules/SearchStaticData.sys.mjs"
+);
+
+function run_test() {
+  Assert.ok(
+    SearchStaticData.getAlternateDomains("www.google.com").includes(
+      "www.google.fr"
+    )
+  );
+  Assert.ok(
+    SearchStaticData.getAlternateDomains("www.google.fr").includes(
+      "www.google.com"
+    )
+  );
+  Assert.ok(
+    SearchStaticData.getAlternateDomains("www.google.com").every(d =>
+      d.startsWith("www.google.")
+    )
+  );
+  Assert.ok(!SearchStaticData.getAlternateDomains("google.com").length);
+
+  // Test that methods from SearchStaticData module can be overwritten,
+  // needed for hotfixing.
+  let backup = SearchStaticData.getAlternateDomains;
+  SearchStaticData.getAlternateDomains = () => ["www.bing.fr"];
+  Assert.deepEqual(SearchStaticData.getAlternateDomains("www.bing.com"), [
+    "www.bing.fr",
+  ]);
+  SearchStaticData.getAlternateDomains = backup;
+}