From 253e054834d03ff282f4b4848d12ec734c8551dd Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Wed, 4 Dec 2019 10:53:59 -0500
Subject: [PATCH] test(schematype): repro #8360

---
 test/schema.type.test.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/test/schema.type.test.js b/test/schema.type.test.js
index b1c37594576..d217615f3ce 100644
--- a/test/schema.type.test.js
+++ b/test/schema.type.test.js
@@ -87,4 +87,17 @@ describe('schematype', function() {
       assert.ifError(err);
     });
   });
+
+  it('handles function as positional message arg (gh-8360)', function() {
+    const schema = Schema({
+      name: {
+        type: String,
+        validate: [() => false, err => `${err.path} is invalid!`]
+      }
+    });
+
+    const err = schema.path('name').doValidateSync('test');
+    assert.equal(err.name, 'ValidatorError');
+    assert.equal(err.message, 'name is invalid!');
+  });
 });