diff --git a/gtsam_unstable/base/Dummy.h b/gtsam_unstable/base/Dummy.h
new file mode 100644
index 000000000..6189662dc
--- /dev/null
+++ b/gtsam_unstable/base/Dummy.h
@@ -0,0 +1,40 @@
+/* ----------------------------------------------------------------------------
+
+ * GTSAM Copyright 2010, Georgia Tech Research Corporation, 
+ * Atlanta, Georgia 30332-0415
+ * All Rights Reserved
+ * Authors: Frank Dellaert, et al. (see THANKS for the full author list)
+
+ * See LICENSE for the license information
+
+ * -------------------------------------------------------------------------- */
+
+/**
+ * @file Dummy.h
+ * @brief Dummy class for testing MATLAB memory allocation
+ * @author Andrew Melim
+ * @author Frank Dellaert
+ * @date June 14, 2012
+ */
+
+namespace gtsam {
+
+  static size_t gDummyCount;
+
+  struct Dummy {
+    size_t id;
+    Dummy():id(++gDummyCount) {
+      std::cout << "Dummy constructor " << id << std::endl;
+    }
+    ~Dummy() {
+      std::cout << "Dummy destructor " << id << std::endl;
+      gDummyCount--;
+    }
+    void print(const std::string& s="") const {
+      std::cout << s << "Dummy " << id << std::endl;
+    }
+
+  };
+
+} // namespace gtsam
+
diff --git a/gtsam_unstable/gtsam_unstable.h b/gtsam_unstable/gtsam_unstable.h
index 91377da8c..fda6ff8c4 100644
--- a/gtsam_unstable/gtsam_unstable.h
+++ b/gtsam_unstable/gtsam_unstable.h
@@ -10,6 +10,12 @@ class gtsam::SharedNoiseModel;
 
 namespace gtsam {
 
+#include <gtsam_unstable/base/Dummy.h>
+class Dummy {
+  Dummy();
+  void print(string s) const;
+};
+
 #include <gtsam_unstable/dynamics/PoseRTV.h>
 class PoseRTV {
 	PoseRTV();