Upload Kmake

test/parallel/test-worker-message-channel-sharedarraybuffer.js

@@ -0,0 +1,28 @@
+// Flags: --expose-gc
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+const { Worker } = require('worker_threads');
+
+{
+  const sharedArrayBuffer = new SharedArrayBuffer(12);
+  const local = Buffer.from(sharedArrayBuffer);
+
+  const w = new Worker(`
+    const { parentPort } = require('worker_threads');
+    parentPort.on('message', ({ sharedArrayBuffer }) => {
+      const local = Buffer.from(sharedArrayBuffer);
+      local.write('world!', 6);
+      parentPort.postMessage('written!');
+    });
+  `, { eval: true });
+  w.on('message', common.mustCall(() => {
+    assert.strictEqual(local.toString(), 'Hello world!');
+    globalThis.gc();
+    w.terminate();
+  }));
+  w.postMessage({ sharedArrayBuffer });
+  // This would be a race condition if the memory regions were overlapping
+  local.write('Hello ');
+}