1 files changed, 20 insertions, 0 deletions
diff --git a/tests/testdata/run/worker_close_nested.js b/tests/testdata/run/worker_close_nested.js
new file mode 100644
index 000000000..37b6ed9c9
--- /dev/null
+++ b/tests/testdata/run/worker_close_nested.js
@@ -0,0 +1,20 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+// Test that closing a worker which has living child workers will automatically
+// close the children.
+
+console.log("Starting the main thread");
+
+const worker = new Worker(
+  import.meta.resolve("../workers/close_nested_parent.js"),
+  { type: "module" },
+);
+
+setTimeout(() => {
+  console.log("About to close");
+  worker.postMessage({});
+
+  // Keep the process running for another two seconds, to make sure there's no
+  // output from the child worker.
+  setTimeout(() => {}, 2000);
+}, 1000);