Fix conversions of list of smart pointers to python

While converting smart pointers do not initialize the object with
default/minimal constructor.

Change-Id: Ie9400d8487accc0c90b0f0b31b855038ae698b5c
Task-Id: PYSIDE-947
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

4 files changed, 59 insertions, 0 deletions

diff --git a/sources/shiboken2/tests/libsmart/smart.cpp b/sources/shiboken2/tests/libsmart/smart.cpp
index 4132c2fc8..8d85d67a1 100644
--- a/sources/shiboken2/tests/libsmart/smart.cpp
+++ b/sources/shiboken2/tests/libsmart/smart.cpp
@@ -62,6 +62,15 @@ SharedPtr<Obj> Obj::giveSharedPtrToObj()
     return o;
 }
 
+std::vector<SharedPtr<Obj> > Obj::giveSharedPtrToObjList(int size)
+{
+    std::vector<SharedPtr<Obj> > r;
+    for (int i=0; i < size; i++)
+        r.push_back(giveSharedPtrToObj());
+    return r;
+}
+
+
 SharedPtr<Integer> Obj::giveSharedPtrToInteger()
 {
     SharedPtr<Integer> o(new Integer);
diff --git a/sources/shiboken2/tests/libsmart/smart.h b/sources/shiboken2/tests/libsmart/smart.h
index 502187a11..2e3c96406 100644
--- a/sources/shiboken2/tests/libsmart/smart.h
+++ b/sources/shiboken2/tests/libsmart/smart.h
@@ -207,6 +207,7 @@ public:
     void printObj();
     Integer takeInteger(Integer val);
     SharedPtr<Obj> giveSharedPtrToObj();
+    std::vector<SharedPtr<Obj> > giveSharedPtrToObjList(int size);
     SharedPtr<Integer> giveSharedPtrToInteger();
     SharedPtr<Smart::Integer2> giveSharedPtrToInteger2();
     int takeSharedPtrToObj(SharedPtr<Obj> pObj);
diff --git a/sources/shiboken2/tests/smartbinding/smart_pointer_test.py b/sources/shiboken2/tests/smartbinding/smart_pointer_test.py
index 62bfc0500..e07856e61 100644
--- a/sources/shiboken2/tests/smartbinding/smart_pointer_test.py
+++ b/sources/shiboken2/tests/smartbinding/smart_pointer_test.py
@@ -156,5 +156,24 @@ class SmartPointerTests(unittest.TestCase):
         integer = ptrToInteger.data()
         self.assertTrue(integer)
 
+    def testListOfSmartPointers(self):
+        # Create the main object
+        o = Obj()
+
+        # Create a list of shared objects
+        ptrToObjList = o.giveSharedPtrToObjList(10)
+        self.assertEqual(len(ptrToObjList), 10)
+        self.assertEqual(objCount(), 11)
+
+        # Remove one from the list
+        ptrToObjList.pop()
+        self.assertEqual(len(ptrToObjList), 9)
+        self.assertEqual(objCount(), 10)
+
+        # clear and delete all objects in the list
+        ptrToObjList.clear()
+        self.assertEqual(len(ptrToObjList), 0)
+        self.assertEqual(objCount(), 1)
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/shiboken2/tests/smartbinding/typesystem_smart.xml b/sources/shiboken2/tests/smartbinding/typesystem_smart.xml
index b2deb18cb..aea1c2f73 100644
--- a/sources/shiboken2/tests/smartbinding/typesystem_smart.xml
+++ b/sources/shiboken2/tests/smartbinding/typesystem_smart.xml
@@ -5,6 +5,36 @@
     <primitive-type name="float" />
     <primitive-type name="bool" />
 
+    <template name="cpplist_to_pylist_convertion">
+        PyObject *%out = PyList_New(int(%in.size()));
+        int idx  = 0;
+        for (const auto &amp;cppItem : %in)
+            PyList_SET_ITEM(%out, idx++, %CONVERTTOPYTHON[%INTYPE_0](cppItem));
+        return %out;
+    </template>
+    <template name="pyseq_to_cpplist_convertion">
+        Shiboken::AutoDecRef seq(PySequence_Fast(%in, 0));
+        for (int i = 0, size = PySequence_Fast_GET_SIZE(seq.object()); i &lt; size; ++i) {
+            PyObject* pyItem = PySequence_Fast_GET_ITEM(seq.object(), i);
+            %OUTTYPE_0 cppItem = %CONVERTTOCPP[%OUTTYPE_0](pyItem);
+            %out.push_back(cppItem);
+        }
+    </template>
+    <container-type name="std::vector" type="list">
+        <include file-name="list" location="global"/>
+        <conversion-rule>
+            <native-to-target>
+                <insert-template name="cpplist_to_pylist_convertion"/>
+            </native-to-target>
+            <target-to-native>
+                <add-conversion type="PySequence">
+                    <insert-template name="pyseq_to_cpplist_convertion"/>
+                </add-conversion>
+            </target-to-native>
+        </conversion-rule>
+    </container-type>
+
+
     <!-- Used in tests to check what C++ objects are allocated. -->
     <object-type name="Registry" />