fix(node:zlib): gzip & gzipSync should accept ArrayBuffer (#26762)

Closes https://github.com/denoland/deno/issues/26638

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/unit_node/zlib_test.ts b/tests/unit_node/zlib_test.ts
index 8bce5ce7d..0eff95445 100644
--- a/tests/unit_node/zlib_test.ts
+++ b/tests/unit_node/zlib_test.ts
@@ -10,6 +10,7 @@ import {
   createBrotliCompress,
   createBrotliDecompress,
   createDeflate,
+  gzip,
   gzipSync,
   unzipSync,
 } from "node:zlib";
@@ -210,3 +211,17 @@ Deno.test("createBrotliCompress params", async () => {
   );
   assertEquals(output.length, input.length);
 });
+
+Deno.test("gzip() and gzipSync() accept ArrayBuffer", async () => {
+  const deffered = Promise.withResolvers<void>();
+  const buf = new ArrayBuffer(0);
+  let output: Buffer;
+  gzip(buf, (_err, data) => {
+    output = data;
+    deffered.resolve();
+  });
+  await deffered.promise;
+  assert(output! instanceof Buffer);
+  const outputSync = gzipSync(buf);
+  assert(outputSync instanceof Buffer);
+});