From cc10e0dc441f469330c1af2822d171fcd6fa8f89 Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Wed, 9 Oct 2019 18:27:30 -0400
Subject: [PATCH] test(query): repro #8222

---
 test/query.test.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/query.test.js b/test/query.test.js
index 5a67e45eb32..ba5bd1efadc 100644
--- a/test/query.test.js
+++ b/test/query.test.js
@@ -3550,4 +3550,13 @@ describe('Query', function() {
       });
     });
   });
+
+  it('query with top-level _bsontype (gh-8222)', function() {
+    const userSchema = Schema({ token: String });
+    const User = db.model('gh8222', userSchema);
+
+    return User.create({ token: 'rightToken' }).
+      then(() => User.findOne({ token: 'wrongToken', _bsontype: 'a' })).
+      then(doc => assert.ok(!doc));
+  });
 });