From 28420ac1fc35fb0b77854c0082d992376332f5d6 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Sun, 27 Dec 2015 23:58:51 -0600
Subject: [PATCH] Add `_.conforms` test for missing `object` properties.

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

diff --git a/test/test.js b/test/test.js
index 74a9b8812..2cfe112e7 100644
--- a/test/test.js
+++ b/test/test.js
@@ -2760,6 +2760,19 @@
       assert.deepEqual(actual, [objects[1], objects[2]]);
     });
 
+    QUnit.test('should not invoke `source` predicates for missing `object` properties', function(assert) {
+      assert.expect(2);
+
+      var count = 0;
+
+      var conforms = _.conforms({
+        'a': function() { count++; return true; }
+      });
+
+      assert.strictEqual(conforms({}), false);
+      assert.strictEqual(count, 0);
+    });
+
     QUnit.test('should work with a function for `object`', function(assert) {
       assert.expect(2);