Upload Kmake

test/parallel/test-worker.mjs

@@ -0,0 +1,18 @@
+import { mustCall } from '../common/index.mjs';
+import assert from 'assert';
+import { Worker, isMainThread, parentPort } from 'worker_threads';
+
+const kTestString = 'Hello, world!';
+
+if (isMainThread) {
+  const w = new Worker(new URL(import.meta.url));
+  w.on('message', mustCall((message) => {
+    assert.strictEqual(message, kTestString);
+  }));
+} else {
+  setImmediate(() => {
+    process.nextTick(() => {
+      parentPort.postMessage(kTestString);
+    });
+  });
+}