diff --git a/src/test/util/debug_output.hpp b/src/test/util/debug_output.hpp
new file mode 100644
index 0000000..460f01f
--- /dev/null
+++ b/src/test/util/debug_output.hpp
@@ -0,0 +1,72 @@
+#include "src/associations.hpp"
+
+#include <iostream>
+
+// Some debug functions for dumping out the main data structures in objmgr
+
+void dump_AssociationOwnersType(AssociationOwnersType& assocOwners)
+{
+    using namespace std;
+    cout << "##### AssociationOwnersType #####" << endl;
+    for (auto i : assocOwners)
+    {
+        cout << "------------------------------------" << endl;
+        cout << setw(15) << left << "OBJ PATH:" << i.first << endl;
+
+        for (auto j : i.second)
+        {
+            cout << setw(16) << left << "DBUS SERVICE:" << j.first << endl;
+
+            for (auto k : j.second)
+            {
+                cout << setw(17) << left << "ASSOC PATH:" << k.first << endl;
+
+                for (auto l : k.second)
+                {
+                    cout << setw(18) << left << "ENDPOINT:" << l << endl;
+                }
+            }
+        }
+        cout << "------------------------------------" << endl;
+    }
+}
+
+void dump_AssociationInterfaces(AssociationInterfaces& assocInterfaces)
+{
+    using namespace std;
+    cout << "##### AssociationInterfaces #####" << endl;
+    for (auto i : assocInterfaces)
+    {
+        cout << "------------------------------------" << endl;
+        cout << setw(15) << left << "OBJ PATH:" << i.first << endl;
+        auto intfEndpoints = std::get<endpointsPos>(i.second);
+
+        for (auto k : intfEndpoints)
+        {
+            cout << setw(16) << left << "ENDPOINTS:" << k << endl;
+        }
+        cout << "------------------------------------" << endl;
+    }
+}
+
+void dump_InterfaceMapType(interface_map_type& intfMap)
+{
+    using namespace std;
+    cout << "##### interface_map_type #####" << endl;
+    for (auto i : intfMap)
+    {
+        cout << "------------------------------------" << endl;
+        cout << setw(15) << left << "OBJ PATH:" << i.first << endl;
+
+        for (auto j : i.second)
+        {
+            cout << setw(16) << left << "DBUS SERVICE:" << j.first << endl;
+
+            for (auto k : j.second)
+            {
+                cout << setw(18) << left << "INTERFACE:" << k << endl;
+            }
+        }
+    }
+    cout << "------------------------------------" << endl;
+}