1 files changed, 37 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-zlib-unzip-one-byte-chunks.js b/tests/node_compat/test/parallel/test-zlib-unzip-one-byte-chunks.js
new file mode 100644
index 000000000..62b2050d3
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-zlib-unzip-one-byte-chunks.js
@@ -0,0 +1,37 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const zlib = require('zlib');
+
+const data = Buffer.concat([
+  zlib.gzipSync('abc'),
+  zlib.gzipSync('def'),
+]);
+
+const resultBuffers = [];
+
+const unzip = zlib.createUnzip()
+  .on('error', (err) => {
+    assert.ifError(err);
+  })
+  .on('data', (data) => resultBuffers.push(data))
+  .on('finish', common.mustCall(() => {
+    const unzipped = Buffer.concat(resultBuffers).toString();
+    assert.strictEqual(unzipped, 'abcdef',
+                       `'${unzipped}' should match 'abcdef' after zipping ` +
+                       'and unzipping');
+  }));
+
+for (let i = 0; i < data.length; i++) {
+  // Write each single byte individually.
+  unzip.write(Buffer.from([data[i]]));
+}
+
+unzip.end();