1 files changed, 10 insertions, 0 deletions
diff --git a/cli/tests/workers/worker_globals.ts b/cli/tests/workers/worker_globals.ts
new file mode 100644
index 000000000..a9e7efd85
--- /dev/null
+++ b/cli/tests/workers/worker_globals.ts
@@ -0,0 +1,10 @@
+onmessage = function (): void {
+  postMessage(
+    [
+      self instanceof DedicatedWorkerGlobalScope,
+      self instanceof WorkerGlobalScope,
+      self instanceof EventTarget,
+    ].join(", "),
+  );
+  close();
+};