1 files changed, 8 insertions, 0 deletions
diff --git a/test/bun.js/buffer.test.js b/test/bun.js/buffer.test.js
index f8704d040..0dcf96816 100644
--- a/test/bun.js/buffer.test.js
+++ b/test/bun.js/buffer.test.js
@@ -2550,3 +2550,11 @@ it("should not perform out-of-bound access on invalid UTF-8 byte sequence", () =
   expect(str.length).toBe(6);
   expect(str).toBe("\uFFFD\x13\x12\x11\x10\x09");
 });
+
+it("repro #2063", () => {
+  const buf = Buffer.from("eyJlbWFpbCI6Ijg3MTg4NDYxN0BxcS5jb20iLCJpZCI6OCwicm9sZSI6Im5vcm1hbCIsImlhdCI6MTY3NjI4NDQyMSwiZXhwIjoxNjc2ODg5MjIxfQ", 'base64');
+  expect(buf.length).toBe(85);
+  expect(buf[82]).toBe(50);
+  expect(buf[83]).toBe(49);
+  expect(buf[84]).toBe(125);
+});