Updated the files.

my-app/node_modules/piscina/test/fixtures/send-transferrable-then-get-length.js

@@ -0,0 +1,38 @@
+'use strict';
+
+const Piscina = require('../../dist/src');
+
+class Shared {
+  constructor (data) {
+    this.name = 'shared';
+    this.data = data;
+  }
+
+  get [Piscina.transferableSymbol] () {
+    return [this.data];
+  }
+
+  get [Piscina.valueSymbol] () {
+    return { name: this.name, data: this.data };
+  }
+
+  make () {
+    return Piscina.move(this);
+  }
+}
+
+let time;
+module.exports = {
+  send: async () => {
+    const data = new ArrayBuffer(128);
+    const shared = new Shared(data);
+    try {
+      return shared.make();
+    } finally {
+      setTimeout(() => { time = data.byteLength; }, 1000);
+    }
+  },
+  get: () => {
+    return time;
+  }
+};