1 files changed, 35 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-zlib-empty-buffer.js b/tests/node_compat/test/parallel/test-zlib-empty-buffer.js
new file mode 100644
index 000000000..2281ba88e
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-zlib-empty-buffer.js
@@ -0,0 +1,35 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 16.13.0
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+'use strict';
+const common = require('../common');
+const zlib = require('zlib');
+const { inspect, promisify } = require('util');
+const assert = require('assert');
+const emptyBuffer = Buffer.alloc(0);
+
+(async function() {
+  for (const [ compress, decompress, method ] of [
+    [ zlib.deflateRawSync, zlib.inflateRawSync, 'raw sync' ],
+    [ zlib.deflateSync, zlib.inflateSync, 'deflate sync' ],
+    [ zlib.gzipSync, zlib.gunzipSync, 'gzip sync' ],
+    // FIXME(bartlomieju):
+    // [ zlib.brotliCompressSync, zlib.brotliDecompressSync, 'br sync' ],
+    [ promisify(zlib.deflateRaw), promisify(zlib.inflateRaw), 'raw' ],
+    [ promisify(zlib.deflate), promisify(zlib.inflate), 'deflate' ],
+    [ promisify(zlib.gzip), promisify(zlib.gunzip), 'gzip' ],
+    // FIXME(bartlomieju):
+    // [ promisify(zlib.brotliCompress), promisify(zlib.brotliDecompress), 'br' ],
+  ]) {
+    const compressed = await compress(emptyBuffer);
+    const decompressed = await decompress(compressed);
+    assert.deepStrictEqual(
+      emptyBuffer, decompressed,
+      `Expected ${inspect(compressed)} to match ${inspect(decompressed)} ` +
+      `to match for ${method}`);
+  }
+})().then(common.mustCall());