diff --git a/test/super_deep.js b/test/super_deep.js
new file mode 100644
index 0000000..2fb8e40
--- /dev/null
+++ b/test/super_deep.js
@@ -0,0 +1,53 @@
+var assert = require('assert');
+var traverse = require('traverse');
+
+exports.super_deep = function () {
+    var util = require('util');
+    var a0 = make();
+    var a1 = make();
+    assert.ok(traverse.deepEqual(a0, a1));
+    
+    a0.c.d.moo = true;
+    assert.ok(!traverse.deepEqual(a0, a1));
+    
+    a1.c.d.moo = true;
+    assert.ok(traverse.deepEqual(a0, a1));
+    
+    a0.c.a = a1;
+    assert.ok(!traverse.deepEqual(a0, a1));
+};
+
+function make () {
+    var a = { self : 'a' };
+    var b = { self : 'b' };
+    var c = { self : 'c' };
+    var d = { self : 'd' };
+    var e = { self : 'e' };
+    
+    a.a = a;
+    a.b = b;
+    a.c = c;
+    
+    b.a = a;
+    b.b = b;
+    b.c = c;
+    
+    c.a = a;
+    c.b = b;
+    c.c = c;
+    c.d = d;
+    
+    d.a = a;
+    d.b = b;
+    d.c = c;
+    d.d = d;
+    d.e = e;
+    
+    e.a = a;
+    e.b = b;
+    e.c = c;
+    e.d = d;
+    e.e = e;
+    
+    return a;
+}