1 files changed, 42 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-buffer-tojson.js b/tests/node_compat/test/parallel/test-buffer-tojson.js
new file mode 100644
index 000000000..d21786c37
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-buffer-tojson.js
@@ -0,0 +1,42 @@
+// 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';
+
+require('../common');
+const assert = require('assert');
+
+{
+  assert.strictEqual(JSON.stringify(Buffer.alloc(0)),
+                     '{"type":"Buffer","data":[]}');
+  assert.strictEqual(JSON.stringify(Buffer.from([1, 2, 3, 4])),
+                     '{"type":"Buffer","data":[1,2,3,4]}');
+}
+
+// issue GH-7849
+{
+  const buf = Buffer.from('test');
+  const json = JSON.stringify(buf);
+  const obj = JSON.parse(json);
+  const copy = Buffer.from(obj);
+
+  assert.deepStrictEqual(buf, copy);
+}
+
+// GH-5110
+{
+  const buffer = Buffer.from('test');
+  const string = JSON.stringify(buffer);
+
+  assert.strictEqual(string, '{"type":"Buffer","data":[116,101,115,116]}');
+
+  function receiver(key, value) {
+    return value && value.type === 'Buffer' ? Buffer.from(value.data) : value;
+  }
+
+  assert.deepStrictEqual(buffer, JSON.parse(string, receiver));
+}