fix(napi): fix is_detached_arraybuffer (#16478)

1 files changed, 12 insertions, 0 deletions

diff --git a/test_napi/arraybuffer_test.js b/test_napi/arraybuffer_test.js
new file mode 100644
index 000000000..577443e8b
--- /dev/null
+++ b/test_napi/arraybuffer_test.js
@@ -0,0 +1,12 @@
+// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
+
+import { assertEquals, loadTestLibrary } from "./common.js";
+
+const typedarray = loadTestLibrary();
+
+Deno.test("napi arraybuffer detach", function () {
+  const buf = new ArrayBuffer(5);
+  assertEquals(buf.byteLength, 5);
+  typedarray.test_detached(buf);
+  assertEquals(buf.byteLength, 0);
+});