From 47f318230fe9b4870610cbfbaae424a28818a8d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Mon, 11 Mar 2024 22:59:42 +0000
Subject: test(ext/node): add worker_threads test for SharedArrayBuffer
 (#22850)

Follow up to https://github.com/denoland/deno/pull/22815
---
 tests/unit_node/worker_threads_test.ts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'tests/unit_node/worker_threads_test.ts')

diff --git a/tests/unit_node/worker_threads_test.ts b/tests/unit_node/worker_threads_test.ts
index bc451e33f..1ded9a591 100644
--- a/tests/unit_node/worker_threads_test.ts
+++ b/tests/unit_node/worker_threads_test.ts
@@ -218,3 +218,23 @@ Deno.test({
     clearTimeout(timeout);
   },
 });
+
+Deno.test({
+  name: "[worker_threads] SharedArrayBuffer",
+  async fn() {
+    const sab = new SharedArrayBuffer(Uint8Array.BYTES_PER_ELEMENT);
+    const uint = new Uint8Array(sab);
+    const worker = new workerThreads.Worker(
+      new URL("./testdata/worker_threads2.mjs", import.meta.url),
+      {
+        workerData: { sharedArrayBuffer: sab },
+      },
+    );
+    worker.postMessage("Hello");
+    if ((await once(worker, "message"))[0] != "Hello") throw new Error();
+    await new Promise((resolve) => setTimeout(resolve, 100));
+    worker.terminate();
+    if (uint[0] != 1) throw new Error();
+  },
+  sanitizeResources: false,
+});
-- 
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