1 files changed, 17 insertions, 0 deletions
diff --git a/testing/mochitest/tests/browser/browser_privileges.js b/testing/mochitest/tests/browser/browser_privileges.js
new file mode 100644
index 0000000000..042a928b9c
--- /dev/null
+++ b/testing/mochitest/tests/browser/browser_privileges.js
@@ -0,0 +1,17 @@
+function test() {
+  // simple test to confirm we have chrome privileges
+  let hasPrivileges = true;
+
+  // this will throw an exception if we are not running with privileges
+  try {
+    // eslint-disable-next-line no-unused-vars, mozilla/use-services
+    var prefs = Cc["@mozilla.org/preferences-service;1"].getService(
+      Ci.nsIPrefBranch
+    );
+  } catch (e) {
+    hasPrivileges = false;
+  }
+
+  // if we get here, we must have chrome privileges
+  ok(hasPrivileges, "running with chrome privileges");
+}