1 files changed, 21 insertions, 0 deletions
diff --git a/remote/shared/test/xpcshell/test_UUID.js b/remote/shared/test/xpcshell/test_UUID.js
new file mode 100644
index 0000000000..e929a9e0a8
--- /dev/null
+++ b/remote/shared/test/xpcshell/test_UUID.js
@@ -0,0 +1,21 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const { generateUUID } = ChromeUtils.importESModule(
+  "chrome://remote/content/shared/UUID.sys.mjs"
+);
+
+add_task(function test_UUID_valid() {
+  const uuid = generateUUID();
+  const regExp = new RegExp(
+    /^[a-f|0-9]{8}-[a-f|0-9]{4}-[a-f|0-9]{4}-[a-f|0-9]{4}-[a-f|0-9]{12}$/g
+  );
+  ok(regExp.test(uuid));
+});
+
+add_task(function test_UUID_unique() {
+  const uuid1 = generateUUID();
+  const uuid2 = generateUUID();
+  notEqual(uuid1, uuid2);
+});