From 1043d212c3caaf871966e710f52cfdf02f9eea4b Mon Sep 17 00:00:00 2001
From: substack <substack@bits.coop>
Date: Wed, 11 Mar 2020 09:20:03 -1000
Subject: [PATCH] additional test for constructor prototype pollution

---
 test/proto.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/proto.js b/test/proto.js
index 7713559..8649107 100644
--- a/test/proto.js
+++ b/test/proto.js
@@ -35,3 +35,10 @@ test('proto pollution (string)', function (t) {
     t.equal(argv.x.z, undefined);
     t.end();
 });
+
+test('proto pollution (constructor)', function (t) {
+    var argv = parse(['--constructor.prototype.y','123']);
+    t.equal({}.y, undefined);
+    t.equal(argv.y, undefined);
+    t.end();
+});