1 files changed, 24 insertions, 0 deletions
diff --git a/tests/napi/arraybuffer_test.js b/tests/napi/arraybuffer_test.js
new file mode 100644
index 000000000..f55b9a78c
--- /dev/null
+++ b/tests/napi/arraybuffer_test.js
@@ -0,0 +1,24 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+import { assert, 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);
+});
+
+Deno.test("napi arraybuffer is detached", function () {
+  const buf = new ArrayBuffer(5);
+  assertEquals(buf.byteLength, 5);
+  assert(!typedarray.is_detached(buf));
+  typedarray.test_detached(buf);
+  assert(typedarray.is_detached(buf));
+
+  [2, {}, "foo", null, undefined, new Uint8Array(10)].forEach((value) => {
+    assert(!typedarray.is_detached(value));
+  });
+});