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test/parallel/test-worker-message-port-multiple-sharedarraybuffers.js

@@ -0,0 +1,17 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const { MessageChannel } = require('worker_threads');
+
+// Regression test for https://github.com/nodejs/node/issues/28559
+
+const obj = [
+  [ new SharedArrayBuffer(0), new SharedArrayBuffer(1) ],
+  [ new SharedArrayBuffer(2), new SharedArrayBuffer(3) ],
+];
+
+const { port1, port2 } = new MessageChannel();
+port1.once('message', common.mustCall((message) => {
+  assert.deepStrictEqual(message, obj);
+}));
+port2.postMessage(obj);