From 38ac518095f6ef5d47604bef029d97ed858e7825 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Sun, 27 Sep 2015 10:03:43 -0700
Subject: [PATCH] Add `_#toString` test for nullish values.

---
 test/test.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/test/test.js b/test/test.js
index 13e461a1c..0cc54668c 100644
--- a/test/test.js
+++ b/test/test.js
@@ -20602,6 +20602,25 @@
         skipTest(assert);
       }
     });
+
+    QUnit.test('should treat nullish values as empty strings', function(assert) {
+      assert.expect(1);
+
+      if (!isNpm) {
+        var values = [, null, undefined],
+            expected = _.map(values, _.constant(''));
+
+        var actual = _.map(values, function(value, index) {
+          var wrapped = index ? _(value) : _();
+          return String(wrapped);
+        });
+
+        assert.deepEqual(actual, expected);
+      }
+      else {
+        skipTest(assert);
+      }
+    });
   }());
 
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