1 files changed, 12 insertions, 0 deletions
diff --git a/tests/testdata/workers/parent_read_check_worker.js b/tests/testdata/workers/parent_read_check_worker.js
new file mode 100644
index 000000000..3221fc597
--- /dev/null
+++ b/tests/testdata/workers/parent_read_check_worker.js
@@ -0,0 +1,12 @@
+const worker = new Worker(
+  import.meta.resolve("./read_check_granular_worker.js"),
+  { type: "module", deno: { permissions: "none" } },
+);
+
+onmessage = ({ data }) => {
+  worker.postMessage(data);
+};
+
+worker.onmessage = ({ data }) => {
+  postMessage(data);
+};