diff --git a/tests/PythonQtTests.cpp b/tests/PythonQtTests.cpp
index 8543faf..66806e3 100644
--- a/tests/PythonQtTests.cpp
+++ b/tests/PythonQtTests.cpp
@@ -213,7 +213,7 @@ void PythonQtTestSlotCalling::testCppFactory()
 {
   PythonQtTestCppFactory* f = new PythonQtTestCppFactory;
   PythonQt::self()->addInstanceDecorators(new PQCppObjectDecorator);
-  PythonQt::self()->addInstanceDecorators(new PQCppObjectNoWrapDecorator);
+  PythonQt::self()->addDecorators(new PQCppObjectNoWrapDecorator);
 
   PythonQt::self()->addWrapperFactory(f);
   QVERIFY(_helper->runScript("if obj.createPQCppObject(12).getHeight()==12: obj.setPassed();\n"));
@@ -226,6 +226,14 @@ void PythonQtTestSlotCalling::testCppFactory()
     ));
 
   QVERIFY(_helper->runScript("if obj.createPQCppObjectNoWrap(12).getH()==12: obj.setPassed();\n"));
+  
+  
+  // expect to get strict call to double overload
+  QVERIFY(_helper->runScript("obj.testNoArg()\nfrom PythonQt import PQCppObjectNoWrap\na = PQCppObjectNoWrap(22.2)\nif a.getH()==2: obj.setPassed();\n"));
+  // expect to get un-strict call to double overload
+  QVERIFY(_helper->runScript("obj.testNoArg()\nfrom PythonQt import PQCppObjectNoWrap\na = PQCppObjectNoWrap(22)\nif a.getH()==2: obj.setPassed();\n"));
+  // expect to get strict call to copy constructor overload
+  QVERIFY(_helper->runScript("obj.testNoArg()\nfrom PythonQt import PQCppObjectNoWrap\na = PQCppObjectNoWrap(PQCppObjectNoWrap())\nprint a.getH()\nif a.getH()==1: obj.setPassed();\n"));
 }
 
 
diff --git a/tests/PythonQtTests.h b/tests/PythonQtTests.h
index f163f77..d351eb3 100644
--- a/tests/PythonQtTests.h
+++ b/tests/PythonQtTests.h
@@ -224,6 +224,16 @@ private:
 class PQCppObjectNoWrapDecorator : public QObject {
   Q_OBJECT
 public slots:
+  PQCppObjectNoWrap* new_PQCppObjectNoWrap() {
+    return new PQCppObjectNoWrap(0);
+  }
+  PQCppObjectNoWrap* new_PQCppObjectNoWrap(const PQCppObjectNoWrap& other) {
+    return new PQCppObjectNoWrap(1);
+  }
+  PQCppObjectNoWrap* new_PQCppObjectNoWrap(double value) {
+    return new PQCppObjectNoWrap(2);
+  }
+
   int  getH(PQCppObjectNoWrap* obj) { return obj->getHeight(); }
 
 };