diff --git a/src/filepattern/cpp/version.h b/src/filepattern/cpp/version.h
index 292a8bc5..b18c5932 100644
--- a/src/filepattern/cpp/version.h
+++ b/src/filepattern/cpp/version.h
@@ -2,6 +2,6 @@
 #define VERSIONH_INCLUDED
 
 #define PROJECT_NAME "filepattern"
-#define PROJECT_VER "2.0.5"
+#define PROJECT_VER "2.0.6"
 
 #endif // VERSIONH_INCLUDED
diff --git a/tests/cpp/main.cpp b/tests/cpp/main.cpp
new file mode 100644
index 00000000..588fcb9e
--- /dev/null
+++ b/tests/cpp/main.cpp
@@ -0,0 +1,55 @@
+#include <iostream>
+#include "../../src/filepattern/cpp/interface/filepattern.h"
+#include "test_truth_data.h"
+#include <unordered_map>
+#include <variant>
+
+
+
+void test01()
+{
+    std::string path = "/mnt/hdd8/axle/data/intensity1";
+    std::string pattern = "p03_x{x:dd}_y{y:dd}_wx0_wy0_c{c:d}.ome.tif";
+
+    auto* files = new FilePattern(path, pattern);
+    std::cout<<"pattern is " <<files->getPattern()<<std::endl;;
+
+    auto vars = files->getUniqueValues(files->getVariables());
+
+    for(auto& v:vars){
+        
+        std::cout << v.first <<std::endl;
+        auto set_of_vals = v.second;
+        for(auto& val: set_of_vals){
+            std::cout<<std::get<int>(val)<<" ";
+        }
+    }
+    auto var_list = files->getVariables();
+    auto fv = files->getFiles();
+    for(const auto& [mp, vl]: fv){
+        for (const auto& [key, value] : mp){
+            std::cout << key<< " "<< std::get<int>(value) <<std::endl;
+        }
+        
+        for(auto var: var_list){
+
+            std::cout << var << ":   ";
+            auto it = mp.find(var);
+            if(it != mp.end()){
+                auto& val = std::get<int>(it->second);
+            }
+            
+        }
+        std::cout << std::endl;
+        for(auto& f: vl){
+            std::cout << f << " \n";
+        }
+
+    }
+    delete files;
+}
+
+int main(){
+    std::cout <<"hola " << std::endl;
+    test01();
+} 
\ No newline at end of file