1 files changed, 7 insertions, 0 deletions
diff --git a/cli/tests/workers/non_deno_worker.js b/cli/tests/workers/non_deno_worker.js
new file mode 100644
index 000000000..773721560
--- /dev/null
+++ b/cli/tests/workers/non_deno_worker.js
@@ -0,0 +1,7 @@
+onmessage = function (e) {
+  if (typeof self.Deno !== "undefined") {
+    throw new Error("Deno namespace unexpectedly available in worker");
+  }
+
+  postMessage(e.data);
+};