1 files changed, 18 insertions, 0 deletions
diff --git a/cli/tests/unit_node/zlib_test.ts b/cli/tests/unit_node/zlib_test.ts
index 96d392d1d..6b09c50b0 100644
--- a/cli/tests/unit_node/zlib_test.ts
+++ b/cli/tests/unit_node/zlib_test.ts
@@ -11,6 +11,7 @@ import {
   brotliDecompressSync,
   createBrotliCompress,
   createBrotliDecompress,
+  createDeflate,
 } from "node:zlib";
 import { Buffer } from "node:buffer";
 import { createReadStream, createWriteStream } from "node:fs";
@@ -60,3 +61,20 @@ Deno.test("brotli compression", async () => {
     // pass
   }
 });
+
+Deno.test(
+  "zlib create deflate with dictionary",
+  { sanitizeResources: false },
+  async () => {
+    const promise = deferred();
+    const handle = createDeflate({
+      dictionary: Buffer.alloc(0),
+    });
+
+    handle.on("close", () => promise.resolve());
+    handle.end();
+    handle.destroy();
+
+    await promise;
+  },
+);