1 files changed, 53 insertions, 0 deletions
diff --git a/toolkit/components/search/tests/xpcshell/test_maybereloadengine_order.js b/toolkit/components/search/tests/xpcshell/test_maybereloadengine_order.js
new file mode 100644
index 0000000000..8d0a0891b8
--- /dev/null
+++ b/toolkit/components/search/tests/xpcshell/test_maybereloadengine_order.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_CONFIG = [
+  {
+    webExtension: { id: "plainengine@search.mozilla.org" },
+    appliesTo: [{ included: { everywhere: true } }],
+  },
+  {
+    webExtension: { id: "special-engine@search.mozilla.org" },
+    appliesTo: [{ default: "yes", included: { regions: ["FR"] } }],
+  },
+];
+
+add_task(async function setup() {
+  await SearchTestUtils.useTestEngines("test-extensions", null, TEST_CONFIG);
+  await AddonTestUtils.promiseStartupManager();
+
+  registerCleanupFunction(AddonTestUtils.promiseShutdownManager);
+});
+
+add_task(async function basic_multilocale_test() {
+  let resolver;
+  let initPromise = new Promise(resolve => (resolver = resolve));
+  useCustomGeoServer("FR", initPromise);
+
+  await Services.search.init();
+  await Services.search.getAppProvidedEngines();
+  resolver();
+  await SearchTestUtils.promiseSearchNotification("engines-reloaded");
+
+  let engines = await Services.search.getAppProvidedEngines();
+
+  Assert.deepEqual(
+    engines.map(e => e._name),
+    ["Special", "Plain"],
+    "Special engine is default so should be first"
+  );
+
+  engines.forEach(engine => {
+    Assert.ok(!engine._metaData.order, "Order is not defined");
+  });
+
+  Assert.equal(
+    Services.search.wrappedJSObject._settings.getMetaDataAttribute(
+      "useSavedOrder"
+    ),
+    false,
+    "We should not set the engine order during maybeReloadEngines"
+  );
+});