1 files changed, 28 insertions, 0 deletions
diff --git a/browser/components/newtab/test/browser/browser_newtab_glean.js b/browser/components/newtab/test/browser/browser_newtab_glean.js
new file mode 100644
index 0000000000..7d40868f2c
--- /dev/null
+++ b/browser/components/newtab/test/browser/browser_newtab_glean.js
@@ -0,0 +1,28 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+requestLongerTimeout(10);
+
+const TELEMETRY_PREF =
+  "browser.newtabpage.activity-stream.improvesearch.handoffToAwesomebar";
+
+add_task(async function test_newtab_handoff_performance_telemetry() {
+  await SpecialPowers.pushPrefEnv({
+    set: [[TELEMETRY_PREF, true]],
+  });
+
+  Services.fog.testResetFOG();
+  let TelemetryFeed =
+    AboutNewTab.activityStream.store.feeds.get("feeds.telemetry");
+  TelemetryFeed.init(); // INIT action doesn't happen by default.
+
+  Assert.equal(true, Glean.newtabHandoffPreference.enabled.testGetValue());
+
+  await SpecialPowers.pushPrefEnv({
+    set: [[TELEMETRY_PREF, false]],
+  });
+  Assert.equal(false, Glean.newtabHandoffPreference.enabled.testGetValue());
+  await SpecialPowers.popPrefEnv();
+});