Ensure _.pickBy doesn’t treat keys with dots as deep paths. [closes #2808]

lodash.js

@@ -13551,7 +13551,16 @@
      * // => { 'a': 1, 'c': 3 }
      */
     function pickBy(object, predicate) {
-      return object == null ? {} : basePickBy(object, getAllKeysIn(object), getIteratee(predicate));
+      if (object == null) {
+        return {};
+      }
+      var props = arrayMap(getAllKeysIn(object), function(prop) {
+        return [prop];
+      });
+      predicate = getIteratee(predicate);
+      return basePickBy(object, props, function(value, path) {
+        return predicate(value, path[0]);
+      });
     }
 
     /**

test/test.js

@@ -17640,6 +17640,15 @@
 
       assert.deepEqual(actual, { 'a': 1, 'c': 3 });
     });
+
+    QUnit.test('should not treat keys with dots as deep paths', function(assert) {
+      assert.expect(1);
+
+      var object = { 'a.b.c': 1 },
+          actual = _.pickBy(object, stubTrue);
+
+      assert.deepEqual(actual, { 'a.b.c': 1 });
+    });
   }());
 
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