diff --git a/test/test.js b/test/test.js
index 85312fb3c..5706af2ff 100644
--- a/test/test.js
+++ b/test/test.js
@@ -6788,6 +6788,31 @@
       strictEqual(_.isEqual(a, b), false);
     });
 
+    test('should compare maps', 3, function() {
+      if (Map) {
+        var map1 = new Map,
+            map2 = new Map;
+
+        map1.set('a', 1);
+        map2.set('b', 2);
+
+        strictEqual(_.isEqual(map1, map2), false);
+
+        map1.set('b', 2);
+        map2.set('a', 1);
+
+        strictEqual(_.isEqual(map1, map2), false);
+
+        map1['delete']('a');
+        map1.set('a', 1);
+
+        strictEqual(_.isEqual(map1, map2), true);
+      }
+      else {
+        skipTest(3);
+      }
+    });
+
     test('should compare regexes', 5, function() {
       strictEqual(_.isEqual(/x/gim, /x/gim), true);
       strictEqual(_.isEqual(/x/gim, /x/mgi), true);
@@ -6796,6 +6821,31 @@
       strictEqual(_.isEqual(/x/g, { 'global': true, 'ignoreCase': false, 'multiline': false, 'source': 'x' }), false);
     });
 
+    test('should compare sets', 3, function() {
+      if (Set) {
+        var set1 = new Set,
+            set2 = new Set;
+
+        set1.add(1);
+        set2.add(2);
+
+        strictEqual(_.isEqual(set1, set2), false);
+
+        set1.add(2);
+        set2.add(1);
+
+        strictEqual(_.isEqual(set1, set2), false);
+
+        set1['delete'](1);
+        set1.add(1);
+
+        strictEqual(_.isEqual(set1, set2), true);
+      }
+      else {
+        skipTest(3);
+      }
+    });
+
     test('should compare typed arrays', 1, function() {
       var pairs = _.map(typedArrays, function(type, index) {
         var otherType = typedArrays[(index + 1) % typedArrays.length],