1 files changed, 21 insertions, 0 deletions
diff --git a/tools/profiler/tests/xpcshell/test_start.js b/tools/profiler/tests/xpcshell/test_start.js
new file mode 100644
index 0000000000..c9ae135eb8
--- /dev/null
+++ b/tools/profiler/tests/xpcshell/test_start.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/. */
+
+add_task(async () => {
+  Assert.ok(!Services.profiler.IsActive());
+
+  let startPromise = Services.profiler.StartProfiler(10, 100, []);
+
+  Assert.ok(Services.profiler.IsActive());
+
+  await startPromise;
+  Assert.ok(Services.profiler.IsActive());
+
+  let stopPromise = Services.profiler.StopProfiler();
+
+  Assert.ok(!Services.profiler.IsActive());
+
+  await stopPromise;
+  Assert.ok(!Services.profiler.IsActive());
+});