diff --git a/test/deep.js b/test/deep.js
new file mode 100644
index 00000000..02f3681e
--- /dev/null
+++ b/test/deep.js
@@ -0,0 +1,9 @@
+var test = require('../');
+
+test('deep strict equal', function (t) {
+    t.notDeepEqual(
+        [ { a: '3' } ],
+        [ { a: 3 } ]
+    );
+    t.end();
+});